CN221345546U - Structure for increasing integrity of prefabricated superposed components - Google Patents
Structure for increasing integrity of prefabricated superposed components Download PDFInfo
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- CN221345546U CN221345546U CN202323200734.8U CN202323200734U CN221345546U CN 221345546 U CN221345546 U CN 221345546U CN 202323200734 U CN202323200734 U CN 202323200734U CN 221345546 U CN221345546 U CN 221345546U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
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- 239000002689 soil Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 21
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims abstract 3
- 238000011065 in-situ storage Methods 0.000 claims description 38
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
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- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
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- 238000009412 basement excavation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
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- 239000012466 permeate Substances 0.000 description 2
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- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- 239000011178 precast concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of underground engineering such as municipal administration and urban rail transit, in particular to a structure for increasing the integrity of prefabricated superposed components, which comprises prefabricated square piles, wherein the prefabricated square piles are inserted and fixed in cement soil piles in advance, the cement soil piles are arranged in foundation pits, and the prefabricated square piles are connected with waterproof coiled materials through reserved waterproof joints; the prefabricated square piles are connected with the underground structure through reinforced concrete; a crown beam for stabilizing is fixed in the foundation pit, and a temporary and stable support and a retaining wall are arranged in the foundation pit; the prefabricated square pile is internally embedded with fixed section steel and an externally attached waterproof belt, and the externally attached waterproof belt and the reserved waterproof joint form an integral component; the utility model has the beneficial effects that the problem that the joint surface of the fender post and the side wall is difficult to treat, the integrity is poor after construction, and the effective integral stress can not be ensured; after the guard piles are overlapped with the side walls, the underground structure cannot be completely waterproof, water leakage is serious after the underground structure is put into use, and the normal use can be influenced.
Description
Technical Field
The utility model relates to the technical field of underground engineering such as municipal administration and urban rail transit, in particular to a structure for increasing the integrity of prefabricated superposed components.
Background
With the high-speed development of foundation construction industry in China, underground engineering construction projects are more and more. When the underground engineering is constructed by open excavation, a large number of guard piles are required to be arranged for ensuring the stability of the open excavation foundation pit, and the guard piles during construction can be overlapped with the side wall of the underground structure to jointly resist water and soil pressure. The existing superposition structure of the guard piles and the underground structure wall and the construction method have certain disadvantages and shortcomings;
For example, the patent number is CN201710281580.X, which relates to the technical field of precast concrete hollow square piles, has scientific and reasonable structural design and attractive and novel appearance, can ensure convenient operation and use by users, can reduce investment cost, save funds, improve economic benefit, reduce operation error rate, realize high efficiency, energy conservation and environmental protection, and is beneficial to popularization and use in a large range;
Therefore, the existing technical proposal has the defects that the joint surface of the guard pile and the side wall is difficult to treat, the integrity is poor after construction, and the effective integral stress can not be ensured; after the guard piles are overlapped with the side walls, the underground structure cannot be completely waterproof, water leakage is serious after the underground structure is put into use, and the normal use can be influenced.
Disclosure of utility model
Therefore, the utility model aims to solve the technical problems that in the prior art, the joint surface of the fender post and the side wall is difficult to treat, the integrity is poor after construction, and the effective integral stress cannot be ensured; after the guard piles are overlapped with the side walls, the underground structure cannot be completely waterproof, water leakage is serious after the underground structure is put into use, and the normal use can be influenced.
The structure for increasing the integrity of the prefabricated superposed component comprises prefabricated square piles, wherein the prefabricated square piles are inserted and fixed in the cement soil piles in advance, the cement soil piles are arranged in a foundation pit, and the prefabricated square piles are connected with waterproof coiled materials through reserved waterproof joints; the precast square piles are fixedly connected with the underground structure through reinforced concrete.
Preferably, a crown beam for stabilization is fixed in the foundation pit, and a temporary stabilization support and a retaining wall are arranged in the foundation pit.
Preferably, the prefabricated square pile is internally embedded with fixed section steel and an externally-attached waterproof belt, and the externally-attached waterproof belt and the reserved waterproof joint form an integral component; the reserved waterproof joint is folded to one side of the square pile joint surface of the prefabricated square pile.
Preferably, the waterproof coiled material is connected with the reserved waterproof joint in an adhesive mode, and a temporary adhesive piece is arranged between the reserved waterproof joint and the joint surface of the square pile; the reserved waterproof joint is made of flexible materials.
Preferably, the prefabricated square pile, the externally-attached waterproof belt, the reserved waterproof joint and the waterproof coiled material form an integral waterproof structure of the cast-in-situ side wall of the underground structure.
Preferably, the section steel exposes an exposed part of the section steel on the prefabricated square pile; and (5) performing rust-proof treatment on the exposed part of the profile steel before construction.
Preferably, the prefabricated square piles are embedded with fixed pile steel bars and steel bar connectors, and the vertical spacing between the steel bar connectors is matched with the horizontal spacing between the pile steel bars; the rib connector is connected with the connecting ribs, and the connecting ribs are connected with side wall reinforcing steel bars of the underground structure through binding.
Preferably, the height of the prefabricated square pile is smaller than the construction depth of the cement soil pile; the in-situ cast side wall is arranged in the underground structure, and the interfacial agent is coated on the combining surface of the opposite piles before the in-situ cast side wall is poured.
Preferably, the square pile joint surface, the section steel exposed part and the connecting ribs enable the prefabricated square pile and the cast-in-situ side wall of the underground structure to form an integral structure.
Preferably, the foundation pit is internally constructed and added with a bottom plate waterproof and bottom plate structure.
Preferably, the construction steps are as follows:
s1: prefabricating and processing prefabricated square piles in a factory, leveling the site of a construction site synchronously, and measuring and positioning;
s2: constructing a cement soil pile, and driving the prefabricated square pile into the cement soil pile;
S3: after the foundation pit is excavated below the addable crown beam, constructing an addable crown beam, a support and a retaining wall;
s4: continuously excavating a foundation pit to a designed elevation, and constructing and adding a bottom plate waterproof and bottom plate structure;
S5: cleaning cement soil around the exposed part of the section steel, folding the reserved waterproof joint to one side between piles, roughening the surface of the joint surface of the square pile, and exposing the steel bar connector;
S6: paving waterproof coiled materials, connecting the waterproof coiled materials with reserved waterproof joints, constructing and binding side wall steel bars and connecting bars, and pouring concrete in a space of an underground structure;
S7: after the roof and the water resistance are added in construction, the support and the retaining wall are removed, and then the earth is covered and backfilled to the ground, so that the construction is completed.
Preferably, the height of the prefabricated square pile is smaller than the construction depth of the cement soil pile. The size and the spacing of the cement soil piles are determined according to the size and the spacing of the prefabricated square piles; the size and the distance of the prefabricated square piles are comprehensively determined according to the hydrogeological conditions, the buried depth of the underground structure, the size and other factors; the section steel is buried in the prefabricated square pile factory during the prefabricated construction, the model and the exposed length are comprehensively determined according to the stress of the prefabricated square pile and the thickness of the cast-in-situ side wall, and the vertical dimension is determined according to the height of the cast-in-situ side wall, so that the section steel is ensured not to exceed the cast-in-situ side wall, and the normal binding of the reinforcing steel bars of the top and bottom plates of the underground structure is not influenced;
The reinforcing steel bar connector is buried in the prefabricated square pile factory during prefabricated construction, and the model is determined according to the stress requirement.
And the connecting ribs are synchronously bound with the side wall steel bars in the cast-in-situ side wall construction.
The subsurface structure is a targeted structure for subsurface engineering.
The externally-attached waterproof belt is buried in the prefabricated square pile factory during prefabricated construction.
The reserved waterproof joint and the externally-attached waterproof belt are an integral component, and the reserved waterproof joint is folded to one side of the joint surface of the square pile when the prefabricated square pile is prefabricated, transported and driven.
The waterproof coiled material is connected with the reserved waterproof joint in an adhesive mode, and no underground water is guaranteed to permeate into the joint surface of the square pile.
Furthermore, the construction depth of the cement soil pile is larger than that of the prefabricated square pile, so that the prefabricated square pile can be conveniently pressed into the designed elevation; the material of the cement soil pile is determined by field test according to the water stopping requirement, the pressing difficulty of the prefabricated square pile and other factors.
Furthermore, the prefabricated square pile is prefabricated in a factory, so that the construction quality is guaranteed, the cross section shape of the prefabricated square pile is not limited to square, but also can be rectangular, and the prefabricated square pile material is impermeable concrete.
Furthermore, the structures of the square pile joint surface, the section steel exposed part and the connecting ribs can enable the prefabricated square pile and the cast-in-situ side wall to form an integral structure, and the prefabricated square pile and the cast-in-situ side wall are stressed together, so that the bearing capacity of the superposed structure is improved.
Further, the outer sides of the externally-attached waterproof belts and the reserved waterproof joints are protected, and the prefabricated square piles are prevented from being damaged during transportation and installation.
Further, temporary bonding measures are arranged between reserved waterproof joints and the joint surfaces of the square piles, so that the prefabricated square piles are prevented from being damaged during the construction.
Further, before the waterproof coiled material is bonded with the reserved waterproof joint, the integrity of the reserved waterproof joint needs to be checked, and proper reinforcement is performed if necessary; the prefabricated square pile is prefabricated in a factory, the construction quality is guaranteed, the self-waterproof performance is strong, and after the construction is finished, the prefabricated square pile, the externally-attached waterproof belt, the reserved waterproof joint and the waterproof coiled material form a whole to be used as an externally-covered waterproof structure of the cast-in-situ side wall.
Furthermore, the construction quality of the prefabricated square pile is controlled when the prefabricated square pile is prefabricated in a factory, and the prefabricated square pile is one of the important waterproof components of the underground structure;
furthermore, according to the hydrogeological conditions and the depth of the foundation pit, the number of supporting channels can be increased in the foundation pit;
Further, before pouring the cast-in-situ side wall, the surface of the exposed part of the steel is cleaned by coating an interface agent on the combined surface of the square pile;
furthermore, when the steel bar collides with the section steel, the steel bar can be cut off and then welded with the section steel;
Further, the method of the waterproof node at the joint position of the top, the bottom plate and the prefabricated square pile of the underground structure refers to the method of the waterproof node at the joint position of the cast-in-situ side wall and the prefabricated square pile;
Preferably, the waterproof coiled material is connected with the reserved waterproof joint in an adhesive mode, and a temporary adhesive piece is arranged between the reserved waterproof joint and the joint surface of the square pile; the reserved waterproof joint is made of flexible materials. The waterproof and durability are not affected after repeated bending.
Preferably, after the earth is backfilled to the ground, the prefabricated square piles, the externally-attached waterproof belts, the reserved waterproof joints and the waterproof coiled materials form an integral waterproof structure for the cast-in-situ side wall.
Preferably, after the earth is backfilled to the ground, the joint surface of the square pile, the exposed part of the section steel and the connecting ribs enable the prefabricated square pile and the cast-in-situ side wall of the underground structure to form an integral structure.
Preferably, rust prevention treatment is carried out on the exposed part of the steel before construction;
the beneficial effects of the utility model are as follows:
1. According to the utility model, the section steel is reserved in the prefabricated square pile, so that the integrity of the prefabricated square pile and the cast-in-situ structure after being overlapped is improved, the stress of the whole structure is improved, the structure size can be effectively reduced, and the manufacturing cost is saved;
2. The waterproof tape and the reserved waterproof joint are arranged in the prefabricated square pile, so that an outer waterproof structure is formed with the waterproof coiled material of the cast-in-situ side wall, and the overall waterproof performance of the underground structure can be improved;
3. The section steel is added in the prefabricated square pile, so that the rigidity of the prefabricated square pile can be increased, and the capability of the prefabricated square pile for resisting transverse force during construction is improved;
4. The prefabricated square pile and the cast-in-situ side wall form a whole through structures such as section steel and the like, so that the anti-floating capacity of the underground structure is improved.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities particularly pointed out in the specification.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overlapping connection of a prefabricated square pile and a cast-in-situ side wall;
FIG. 2 is a schematic general view of the structure of the present utility model for increasing the integrity of a prefabricated composite member;
FIG. 3 is a schematic cross-sectional view of a precast square pile of the present utility model.
In the figure: a cement soil pile 1; prefabricating square piles 2; pile steel bar 21; a square pile joint surface 22; section steel 3; a section steel exposed portion 31; a reinforcing bar connector 4; a connecting rib 5; an underground structure 6; cast-in-situ side wall 61; side wall steel bars 62; a waterproof tape 7 is externally attached; reserving a waterproof joint 8; a waterproof roll 9; a crown bar 10; a support 11; a retaining wall 12; ground 13.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "intermediate," "top," "bottom," "inner," "outer," and the like are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In addition, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The first embodiment is as follows:
As shown in fig. 1-3, a structure for increasing the integrity of a prefabricated laminated member comprises a prefabricated square pile 2, wherein the prefabricated square pile 2 is inserted and fixed in a pre-cemented soil pile 1, the cemented soil pile 1 is arranged in a foundation pit, and the prefabricated square pile 2 is connected with a waterproof coiled material 9 through a reserved waterproof joint 8; the precast square piles 2 are fixedly connected with the underground structure 6 through reinforced concrete.
The working principle and beneficial effects of the embodiment are as follows: the construction steps are as follows:
S1: prefabricating and processing prefabricated square piles 2 in a factory, leveling the site of a construction site synchronously, and measuring and positioning;
S2: constructing a cement soil pile 1, and driving the prefabricated square pile 2 into the cement soil pile 1;
s3: after the foundation pit is excavated below the addable crown beam 10, constructing the addable crown beam 10, the support 11 and the retaining wall 12;
s4: continuously excavating a foundation pit to a designed elevation, and constructing and adding a bottom plate waterproof and bottom plate structure;
S5: cleaning cement soil around the exposed part 31 of the section steel, folding the reserved waterproof joint 8 to one side between piles, roughening the surface of the square pile joint surface 22, and exposing the reinforcing steel bar connector 4;
S6: paving waterproof coiled materials 9, connecting the waterproof coiled materials 9 with reserved waterproof joints 8, constructing binding side wall steel bars 62 and connecting bars 5, and pouring concrete in the space of the underground structure 6;
s7: after a roof and water resistance are added in construction, the support 11 and the retaining wall 12 are removed, and then earth is covered and backfilled to the ground 13, so that construction is completed;
By reserving the section steel in the prefabricated square pile, the integrity of the prefabricated square pile and the cast-in-situ structure after superposition is improved, the stress of the whole structure is improved, the structure size can be effectively reduced, and the manufacturing cost is saved; the waterproof tape and the reserved waterproof joint are arranged in the prefabricated square pile, so that an outer waterproof structure is formed with the waterproof coiled material of the cast-in-situ side wall, and the overall waterproof performance of the underground structure can be improved; the section steel is added in the prefabricated square pile, so that the rigidity of the prefabricated square pile can be increased, and the capability of the prefabricated square pile for resisting transverse force during construction is improved; the prefabricated square pile and the cast-in-situ side wall form a whole through structures such as section steel and the like, so that the anti-floating capacity of the underground structure is improved.
The second embodiment is as follows:
As shown in fig. 1-3, a structure for increasing the integrity of a prefabricated laminated member is provided, wherein a crown beam 10 for stabilization is fixed in a foundation pit, and a temporary stabilization support 11 and a retaining wall 12 are arranged in the foundation pit; and the foundation pit is internally constructed and added with a bottom plate waterproof and bottom plate structure.
The working principle and beneficial effects of the embodiment are as follows: the support 11 and the retaining wall 12 play a role in temporary support, and after the roof and the water resistance are added in construction, the support 11 and the retaining wall 12 are removed, and then the earth is covered and backfilled to the ground 13.
And a third specific embodiment:
As shown in fig. 1-3, a structure for increasing the integrity of a prefabricated superposed component is provided, wherein a fixed section steel 3 and an externally-attached waterproof belt 7 are embedded in a prefabricated square pile 2, and the externally-attached waterproof belt 7 and a reserved waterproof joint 8 form an integral component; the reserved waterproof joint 8 is folded to one side of a square pile joint surface 22 of the prefabricated square pile 2; the waterproof coiled material 9 is in adhesive connection with the reserved waterproof joint 8, and a temporary adhesive piece is arranged between the reserved waterproof joint 8 and the square pile joint surface 22; the reserved waterproof joint 8 is made of flexible materials; the prefabricated square pile 2, the externally-attached waterproof belt 7, the reserved waterproof joint 8 and the waterproof coiled material 9 form an integral waterproof structure of the cast-in-situ side wall 61 of the underground structure 6.
The working principle and beneficial effects of the embodiment are as follows: the section steel 3 is buried in the prefabricated square pile 2 during factory prefabrication construction, the model and the exposed length are comprehensively determined according to the stress of the prefabricated square pile 2 and the thickness of the cast-in-situ side wall 61, and the vertical dimension is determined according to the height of the cast-in-situ side wall 61, so that the section steel 3 is ensured not to exceed the cast-in-situ side wall 61, and the normal binding of the reinforcing steel bars of the top and bottom plates of the underground structure 6 is not influenced;
The prefabricated square pile 2 is prefabricated in a factory, so that the construction quality is guaranteed, the cross section shape of the prefabricated square pile 2 is not limited to square, but also can be rectangular, and the prefabricated square pile 2 is made of impermeable concrete;
The waterproof coiled material 9 is connected with the reserved waterproof joint 8 in an adhesive mode, and no underground water is enabled to permeate into the joint surface 22 of the square pile;
Before the waterproof coiled material 9 is bonded with the reserved waterproof joint 8, the integrity of the reserved waterproof joint 8 is checked, and proper reinforcement is carried out if necessary; the prefabricated square pile 2 is prefabricated in a factory, the construction quality is guaranteed, the self-waterproof performance is strong, and after the construction is finished, the prefabricated square pile 2, the externally-attached waterproof belt 7, the reserved waterproof joint 8 and the waterproof coiled material 9 form a whole and are used as an externally-covered waterproof structure of the cast-in-situ side wall 61;
The outer sides of the outer-sticking waterproof belts 7 and the reserved waterproof joints 8 are protected, so that the prefabricated square piles 2 are prevented from being damaged during transportation and construction.
Temporary bonding measures are arranged between the reserved waterproof joint 8 and the square pile joint surface 22, so that the prefabricated square pile 2 is prevented from being damaged when being driven.
The construction quality of the prefabricated square pile 2 is controlled during factory prefabrication, and the prefabricated square pile 2 is one of the important waterproof components of the underground structure 6.
The specific embodiment IV is as follows:
As shown in fig. 1 to 3, a structure for increasing the integrity of the prefabricated laminated member is provided, wherein the section steel 3 exposes a section steel exposed portion 31 on the prefabricated square pile 2; performing rust prevention treatment on the exposed part 31 of the steel before construction; fixing pile steel bars 21 and steel bar connectors 4 are embedded in the prefabricated square piles 2, and the vertical spacing between the steel bar connectors 4 is matched with the horizontal spacing between the pile steel bars 21; the rib connector 4 is connected with the connecting ribs 5, and the connecting ribs 5 are connected with the side wall reinforcing steel bars 62 of the underground structure 6 through binding; the height of the prefabricated square pile 2 is smaller than the construction depth of the cement soil pile 1; a cast-in-situ side wall 61 is arranged in the underground structure 6, and the interface agent is coated on the pile joint surface 22 before casting the cast-in-situ side wall 61; the square pile joint surface 22, the section steel exposed part 31 and the connecting ribs 5 enable the prefabricated square pile 2 and the cast-in-situ side wall 61 of the underground structure 6 to form an integral structure.
The working principle and beneficial effects of the embodiment are as follows: the size and the spacing of the cement soil piles 1 are determined according to the size and the spacing of the prefabricated square piles 2;
the size and the distance of the prefabricated square piles 2 are comprehensively determined according to the hydrogeological conditions, the buried depth of the underground structure 6, the size and other factors;
The construction depth of the cement soil pile 1 is larger than the depth of the prefabricated square pile 2, so that the prefabricated square pile 2 is conveniently pressed into the designed elevation; the material of the cement soil pile 1 is determined after field test according to the water stopping requirement, the pressing difficulty of the prefabricated square pile and other factors. ; the connecting ribs 5 are synchronously bound with the side wall reinforcing steel bars 62 during construction of the cast-in-situ side wall 61;
the underground structure 6 is a target structure of underground engineering;
According to the hydrogeological conditions and the depth of the foundation pit, the number of supporting tracks can be increased; the vertical spacing of the reinforcing steel bar connector 4 is preferably matched with the horizontal reinforcing steel bar spacing of the pile reinforcing steel bars 21 and the side wall reinforcing steel bars 62; the steel bar connector 4 is buried in the prefabricated square pile 2 during factory prefabrication construction, and the model is determined according to the stress requirement;
When the steel bar collides with the section steel 3, the steel bar can be cut off and then welded with the section steel 3;
The method of connecting waterproof nodes between the top and bottom plates of the underground structure 6 and the prefabricated square piles 2 refers to the method of connecting waterproof nodes between the cast-in-situ side walls 61 and the prefabricated square piles 2;
The structure of the square pile joint surface 22, the section steel exposed part 31 and the connecting ribs 5 can lead the prefabricated square pile 2 and the cast-in-situ side wall 61 to form an integral structure, bear force together and improve the bearing capacity of the superposed structure.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as variations, modifications, additions or substitutions within the spirit and scope of the utility model as disclosed in the accompanying claims.
Claims (10)
1. A structure for increasing the integrity of a prefabricated composite component, characterized by: the waterproof construction method comprises the steps of prefabricating square piles (2), wherein the prefabricating square piles (2) are inserted and fixed in the pre-cemented soil piles (1), the cemented soil piles (1) are arranged in foundation pits, and the prefabricating square piles (2) are connected with waterproof coiled materials (9) through reserved waterproof joints (8); the prefabricated square pile (2) is fixedly connected with the underground structure (6) through reinforced concrete.
2. A structure for increasing the integrity of a prefabricated composite member according to claim 1, wherein: the foundation pit is internally fixed with a crown beam (10) for stabilizing, and a temporary stabilizing support (11) and a retaining wall (12) are arranged in the foundation pit.
3. A structure for increasing the integrity of a prefabricated composite member according to claim 2, wherein: the prefabricated square pile (2) is internally embedded with the fixed section steel (3) and the externally attached waterproof belt (7), and the externally attached waterproof belt (7) and the reserved waterproof joint (8) form an integral component; the reserved waterproof joint (8) is folded to one side of a square pile joint surface (22) of the prefabricated square pile (2).
4. A structure for increasing the integrity of a prefabricated laminated component as claimed in claim 3, wherein: the waterproof coiled material (9) is connected with the reserved waterproof joint (8) in an adhesive mode, and a temporary adhesive piece is arranged between the reserved waterproof joint (8) and the square pile joint surface (22); the reserved waterproof joint (8) is made of flexible materials.
5. A structure for increasing the integrity of a prefabricated composite member in accordance with claim 4, wherein: the prefabricated square pile (2), the externally-attached waterproof belt (7), the reserved waterproof joint (8) and the waterproof coiled material (9) form an integral waterproof structure of the cast-in-situ side wall (61) of the underground structure (6).
6. A structure for increasing the integrity of a prefabricated laminated component as claimed in claim 3, wherein: the section steel (3) exposes a section steel exposed part (31) on the prefabricated square pile (2); and (3) performing rust-proof treatment on the exposed part (31) of the profiled steel before construction.
7. A structure for increasing the integrity of a prefabricated composite member in accordance with claim 6, wherein: fixing pile steel bars (21) and steel bar connectors (4) are embedded in the prefabricated square piles (2), and the vertical spacing between the steel bar connectors (4) is matched with the horizontal spacing between the pile steel bars (21); the rib connector (4) is connected with the connecting ribs (5), and the connecting ribs (5) are connected with the side wall reinforcing steel bars (62) of the underground structure (6) through binding.
8. A structure for increasing the integrity of a prefabricated composite member in accordance with claim 7, wherein: the height of the prefabricated square pile (2) is smaller than the construction depth of the cement soil pile (1); a cast-in-situ side wall (61) is arranged in the underground structure (6), and the interface agent is coated on the pile joint surface (22) before casting the cast-in-situ side wall (61).
9. A structure for increasing the integrity of a prefabricated composite member in accordance with claim 8, wherein: the square pile joint surface (22), the section steel exposed part (31) and the connecting ribs (5) enable the prefabricated square pile (2) and the cast-in-situ side wall (61) of the underground structure (6) to form an integral structure.
10. A structure for increasing the integrity of a prefabricated composite member according to claim 1, wherein: and the foundation pit is internally constructed and added with a bottom plate waterproof and bottom plate structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323200734.8U CN221345546U (en) | 2023-11-27 | 2023-11-27 | Structure for increasing integrity of prefabricated superposed components |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323200734.8U CN221345546U (en) | 2023-11-27 | 2023-11-27 | Structure for increasing integrity of prefabricated superposed components |
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| CN221345546U true CN221345546U (en) | 2024-07-16 |
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| CN202323200734.8U Active CN221345546U (en) | 2023-11-27 | 2023-11-27 | Structure for increasing integrity of prefabricated superposed components |
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