CN206784393U - T-piece and underground pipe gallery foundation pit support system - Google Patents
T-piece and underground pipe gallery foundation pit support system Download PDFInfo
- Publication number
- CN206784393U CN206784393U CN201720427487.0U CN201720427487U CN206784393U CN 206784393 U CN206784393 U CN 206784393U CN 201720427487 U CN201720427487 U CN 201720427487U CN 206784393 U CN206784393 U CN 206784393U
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- steel sheet
- sheet pile
- piece
- pipe gallery
- underground pipe
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Abstract
The utility model provides a kind of T-piece and underground pipe gallery foundation pit support system, wherein, the underground pipe gallery foundation pit support system, it includes：First steel sheet pile, the second steel sheet pile, strengthen purlin beam, T-piece and to support；First steel sheet pile is oppositely arranged with the second steel sheet pile, it is described to strengthen purlin beam, T-piece and support is arranged between first steel sheet pile and the second steel sheet pile, some reinforcement purlin beams are respectively arranged with first steel sheet pile and the second steel sheet pile, the installing space of the T-piece is formed between each reinforcement purlin beam, one end of described pair of support is connected by the T-piece with first steel sheet pile, and the other end is connected by the T-piece with second steel sheet pile.The utility model rigidity is higher, and relatively wide to the spacing between support.In addition, underground pipe gallery foundation pit support system of the present utility model can reclaim completely, and it is easy to assembly, it has the advantages of energy-conserving and environment-protective, cost are low, the duration is fast.
Description
Technical field
It the utility model is related to Foundation Pit Construction technical field, more particularly to a kind of T-piece and the ground using the T-piece
Lower piping lane foundation pit support system.
Background technology
At present, the design and construction method of domestic underground pipe gallery foundation pit supporting project mainly includes：
(1) it is less than 3m foundation ditch to actual cutting depth, using the method for natural discharging slope, sloping coefficient is generally 1:0.5
~1:1.The above method is domatic to smear 5cm solid cement mortars primarily directed to the good location of soil property, prevents rain drop erosion.
(2) foundation ditch to actual cutting depth between 3m-5m, is used above 1：1 slope, Larsen steel sheet pile is used below
Go along with sb. to guard him.Wherein, Larsen steel plate design of pile top supports together, and support is from No. 32 double-vane I-steel, 609 × 16 steel pipes or 400
× 400 × 21 × 13H shaped steel, level interval are not more than 4m.
(3) it is more than 5m foundation ditch to actual cutting depth, using Larsen steel sheet pile enclosure, No. 32 double-vane I-shapeds are selected in support
Steel, 609 × 16 steel pipes or 400 × 400 × 21 × 13H shaped steel, level interval are not more than 4m.Wherein, first of support and pipe
Distance is generally 0.3m between corridor top plate, and second is supported typically in piping lane bottom 1m-1.5m.
Specifically, above-mentioned steel sheet pile needs to check on ground using crawler mounted excavator (band vibration hammer machine) injection before injection
The situation of underground pipelines, structures, conscientiously release accurate support pile center line.Before piling, to steel sheet pile by root inspection, connection is rejected
The serious steel sheet pile of fore shaft corrosion, deformation, just can be used after failure is to be trimmed.In addition before driving piles, in the fore shaft of steel sheet pile
Interior grease, extraction is squeezed into facilitate.During inserting piling, the gradient of every piece of stake of measurement monitoring at any time is no more than 2%, works as deflection
It is excessive can not with pull together method align when, pull up and beat again.Purlin of constructing support, the two-sided full soldering of purlin joint steel plate,
All supports must keep vertical purlin to install, the processing of coupling part whole full weld；Using backacter according to limit length
Staged and layered is excavated, and is set drip molding, sump, is set light well point in foundation ditch, well point is pulled out before shoveling；Accomplish during support
With digging with support, support is torn open after elder generation's support replacement during dismounting.
And in the construction of underground pipe gallery, when taking cut and cover tunneling in most of surrounding enviroment and engineering geology
Under the conditions of just need supporting；And existing construction method substantially rests on traditional Larsen steel sheet pile enclosure+I-steel, 609
× 16 steel pipes or the support form of H profile steel support, and the level interval supported is very close.This support form have it is following not
Foot：(1) rigidity of Larsen steel sheet pile is smaller, and in the case that soil layer is softer or when cutting depth is deeper, the displacement of foundation ditch is larger；
More support road number is needed when cutting depth is deeper；(2) bracing members are too close, hinder the construction of underground pipe gallery structure.
Therefore, in view of the above-mentioned problems, being necessary to propose further solution.
Utility model content
The purpose of this utility model is the underground pipe gallery foundation pit support system for providing a kind of T-piece and the application T-piece,
To overcome the deficiencies in the prior art.
To realize above-mentioned purpose of utility model, the utility model provides a kind of T-piece, and it is applied to underground pipe gallery foundation ditch
In construction, the T-piece includes：Horizontal part and vertical portion, one end of the vertical portion are connected to the interposition of the horizontal part
Put, and it is vertical with horizontal part holding, and the horizontal part and vertical portion form a T-shaped structure, the horizontal part and vertical portion
With mounting surface, the bolt hole of multigroup installation connection is arranged on the horizontal part and the mounting surface of vertical portion.
To realize above-mentioned purpose of utility model, the utility model provides a kind of underground pipe gallery foundation pit support system, and it includes：
First steel sheet pile, the second steel sheet pile, strengthen purlin beam, T-piece and to support；
First steel sheet pile is oppositely arranged with the second steel sheet pile, described to strengthen purlin beam, T-piece and support is arranged at
Between first steel sheet pile and the second steel sheet pile, it is respectively arranged with first steel sheet pile and the second steel sheet pile some described
Strengthen purlin beam, the installing space of the T-piece is formed between each reinforcement purlin beam, one end of described pair of support passes through the T-shaped
Part is connected with first steel sheet pile, and the other end is connected by the T-piece with second steel sheet pile.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, on first steel sheet pile and the second steel sheet pile
Strengthen purlin beam to be located in the same horizontal plane, and the length direction for strengthening purlin beam along steel sheet pile is set.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, on first steel sheet pile and the second steel sheet pile
The top edge for strengthening purlin beam close to steel sheet pile is set.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, the T-piece includes horizontal part and vertical portion, institute
State vertical portion to be installed in each installing space strengthened between purlin beam, the horizontal part is connected with described pair of support.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, set between any group of T-piece being oppositely arranged
Have it is multiple to support, it is the multiple that support is spaced and keeps being parallel to each other.
It is more between any group of T-piece being oppositely arranged as the improvement of the underground pipe gallery foundation pit support system of the present invention
It is individual to being connected between support by fixed plate.
As the present invention underground pipe gallery foundation pit support system improvement, it is any described pair support with first steel sheet pile and
Second steel sheet pile is perpendicular.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, first steel sheet pile, strengthen purlin beam, T-shaped
Part and to being connected between support by bolt hole.
As the improvement of the underground pipe gallery foundation pit support system of the present invention, second steel sheet pile, strengthen purlin beam, T-shaped
Part and to being connected between support by bolt hole.
Compared with prior art, the beneficial effects of the utility model are：Underground pipe gallery pattern foundation pit supporting structure system of the present utility model
Rigidity of uniting is higher and relatively wide to the spacing between support.In addition, underground pipe gallery foundation pit support system of the present utility model can be complete
Full recovery, and it is easy to assembly, it has the advantages of energy-conserving and environment-protective, cost are low, the duration is fast.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments described in the utility model, for those of ordinary skill in the art, is not paying creative work
On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the embodiment of the utility model T-piece one；
Fig. 2 is the schematic perspective view of the embodiment of the utility model underground pipe gallery foundation pit support system one.
Embodiment
The utility model is described in detail shown each embodiment below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Energy, method or equivalent transformation or replacement in structure, are belonged within the scope of protection of the utility model.
As shown in figure 1, T-piece 40 of the present utility model can be applied in the construction of underground pipe gallery foundation ditch as connector.
Specifically, the T-piece 40 includes：Horizontal part 41 and vertical portion 42, wherein, one end of the vertical portion 42 is connected to the water
The centre position in flat portion 41, and keep vertical with the horizontal part 41, so as to which the horizontal part 41 and vertical portion 42 substantially form
One T-shaped structure.
In order to improve the intensity of the T-type structure, the inside of the horizontal part 41 and vertical portion 42 be additionally provided with more plus
Strengthening tendons 43, the reinforcement 43 in the horizontal part 41 are vertically arranged, and the reinforcement 43 in the vertical portion 42 is horizontally disposed.This
Outside, also have can be with the mounting surface that other components are connected in foundation ditch, the mounting surface for the horizontal part 41 and vertical portion 42
For the horizontal part 41 and the side of vertical portion 42, the bolt hole 44 of multigroup installation connection is arranged at the He of horizontal part 41
On the mounting surface of vertical portion 42.
As shown in Fig. 2 underground pipe gallery foundation pit support system of the present utility model includes：First steel sheet pile 10, the second steel plate
Stake 20, strengthen purlin beam 30, T-piece as described above 40 and to support 50.
First steel sheet pile 10 is oppositely arranged with the second steel sheet pile 20, the reinforcement purlin beam 30, T-piece 40 and right
Support 50 is arranged between the steel sheet pile 20 of the first steel sheet pile 10 and second.Preferably, first steel sheet pile 10, reinforcement purlin
Beam 30, T-piece 40 and to support 50 between can be connected by bolt hole.Further, second steel sheet pile 20, reinforcement are enclosed
Purlin beam 30, T-piece 40 and to support 50 between can be connected by bolt hole.In this way, underground pipe gallery foundation ditch of the present utility model
Support system combines convenient disassembly, and the recycling of support system can be achieved.
Specifically, some reinforcement purlin beams are respectively arranged with the steel sheet pile 20 of the first steel sheet pile 10 and second
30, the installing space of the T-piece 40 is respectively formed between reinforcement purlin beam 30.Preferably, first steel sheet pile 10 and second
Reinforcement purlin beam 30 on steel sheet pile 20 is located in the same horizontal plane, and the length direction for strengthening purlin beam 30 along steel sheet pile
Set.Meanwhile the reinforcement purlin beam 30 on the steel sheet pile 20 of the first steel sheet pile 10 and second is set close to the top edge of steel sheet pile
Put.
One end of described pair of support 50 is connected by the T-piece 40 with first steel sheet pile 10, and the other end passes through institute
T-piece 40 is stated with second steel sheet pile 20 to be connected.To realize above-mentioned connection purpose, the T-piece 40 include horizontal part and
Vertical portion, the vertical portion are installed in each installing space strengthened between purlin beam 30, the horizontal part with it is described right
Support 50 is connected.Preferably, any described pair of support 50 is perpendicular with the steel sheet pile 20 of the first steel sheet pile 10 and second.
Be provided between any group of T-piece 40 being oppositely arranged it is multiple to support 50, it is the multiple to support 50 be spaced and
Holding is parallel to each other.So as to which each group can be carried out to the spacing between support 50 as needed to widen setting entering with convenient construction
OK.Meanwhile in order to ensure multiple intensity to support 50 between any group of T-piece being oppositely arranged 40, it is each to passing through between support 50
Fixed plate 60 is connected.
In addition, underground pipe gallery foundation pit support system of the present utility model should meet testing for following intensity and amount of deflection progress
Calculate：
1st, strength checking：
Wherein axial pressure N is purlin axle power, is the lateral earth pressure passed over by angle brace purlin；A is box purlin
The sectional area of beam；MxIt is the maximal bending moment of strong axle；WxIt is the section modulus of the strong axle of box purlin beam；MyIt is the maximal bending moment of weak axle；
WyIt is the section modulus of the weak axle of box purlin beam；[σ] is the intensity that material is allowed.
2nd, Bit andits control (amount of deflection) checks：
F is the maximum defluxion of purlin beam；NYYLIt is the prestressing force that steel strand wires are applied on purlin beam；E is steel strand wires to purlin
The spacing of beam axis；E is the modulus of elasticity of purlin beam material steel；I is the section modulus of purlin beam；f0It is national foundation ditch specification institute
The displacement range of permission.
In summary, underground pipe gallery foundation pit support system rigidity of the present utility model is higher, and to the spacing phase between support
To wider.In addition, underground pipe gallery foundation pit support system of the present utility model can reclaim completely, and it is easy to assembly, it has energy-conservation
Environmental protection, the advantages of cost is low, the duration is fast.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of T-piece, it is applied in the construction of underground pipe gallery foundation ditch, it is characterised in that the T-piece includes：Horizontal part
And vertical portion, one end of the vertical portion are connected to the centre position of the horizontal part, and, institute vertical with horizontal part holding
State horizontal part and vertical portion forms a T-shaped structure, the horizontal part and vertical portion have mounting surface, the spiral shell of multigroup installation connection
Keyhole is arranged on the horizontal part and the mounting surface of vertical portion.
2. a kind of underground pipe gallery foundation pit support system, it is characterised in that the underground pipe gallery foundation pit support system includes：First steel
Sheet pile, the second steel sheet pile, strengthen purlin beam, T-piece as claimed in claim 1 and to support；
First steel sheet pile is oppositely arranged with the second steel sheet pile, described to strengthen purlin beam, T-piece and support is arranged at described
Between first steel sheet pile and the second steel sheet pile, some reinforcements are respectively arranged with first steel sheet pile and the second steel sheet pile
Purlin beam, each installing space for strengthening forming the T-piece between purlin beam, one end of described pair of support by the T-piece with
First steel sheet pile is connected, and the other end is connected by the T-piece with second steel sheet pile.
3. underground pipe gallery foundation pit support system according to claim 2, it is characterised in that first steel sheet pile and second
Reinforcement purlin beam on steel sheet pile is located in the same horizontal plane, and the length direction for strengthening purlin beam along steel sheet pile is set.
4. underground pipe gallery foundation pit support system according to claim 3, it is characterised in that first steel sheet pile and second
Reinforcement purlin beam on steel sheet pile is set close to the top edge of steel sheet pile.
5. underground pipe gallery foundation pit support system according to claim 2, it is characterised in that the vertical portion peace of the T-piece
Loaded in each installing space strengthened between purlin beam, the horizontal part of the T-piece is connected with described pair of support.
6. underground pipe gallery foundation pit support system according to claim 2, it is characterised in that any group of T-shaped being oppositely arranged
Be provided between part it is multiple to support, it is the multiple that support is spaced and keeps being parallel to each other.
7. underground pipe gallery foundation pit support system according to claim 6, it is characterised in that any group of T-shaped being oppositely arranged
It is multiple to being connected between support by fixed plate between part.
8. underground pipe gallery foundation pit support system according to claim 6, it is characterised in that any described pair of support and described the
One steel sheet pile and the second steel sheet pile are perpendicular.
9. underground pipe gallery foundation pit support system according to claim 2, it is characterised in that first steel sheet pile, strengthen
Purlin beam, T-piece and to being connected between support by bolt hole.
10. the underground pipe gallery foundation pit support system according to claim 2 or 9, it is characterised in that second steel sheet pile,
Strengthen purlin beam, T-piece and to being connected between support by bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427487.0U CN206784393U (en) | 2017-04-22 | 2017-04-22 | T-piece and underground pipe gallery foundation pit support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427487.0U CN206784393U (en) | 2017-04-22 | 2017-04-22 | T-piece and underground pipe gallery foundation pit support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206784393U true CN206784393U (en) | 2017-12-22 |
Family
ID=60708747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720427487.0U Expired - Fee Related CN206784393U (en) | 2017-04-22 | 2017-04-22 | T-piece and underground pipe gallery foundation pit support system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206784393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684834A (en) * | 2021-08-11 | 2021-11-23 | 中国建筑第六工程局有限公司 | Construction method of complex environment supporting system |
| CN115324103A (en) * | 2022-07-26 | 2022-11-11 | 广州地铁设计研究院股份有限公司 | Large-span assembly type underground station based on simply supported diaphragm wall and floor slab and construction method |
| CN115387378A (en) * | 2022-07-26 | 2022-11-25 | 广州地铁设计研究院股份有限公司 | Semi-pillarless assembly type station based on simply supported superposed side walls and floorslabs and method thereof |
-
2017
- 2017-04-22 CN CN201720427487.0U patent/CN206784393U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684834A (en) * | 2021-08-11 | 2021-11-23 | 中国建筑第六工程局有限公司 | Construction method of complex environment supporting system |
| CN113684834B (en) * | 2021-08-11 | 2022-08-26 | 中国建筑第六工程局有限公司 | Construction method of complex environment supporting system |
| CN115324103A (en) * | 2022-07-26 | 2022-11-11 | 广州地铁设计研究院股份有限公司 | Large-span assembly type underground station based on simply supported diaphragm wall and floor slab and construction method |
| CN115387378A (en) * | 2022-07-26 | 2022-11-25 | 广州地铁设计研究院股份有限公司 | Semi-pillarless assembly type station based on simply supported superposed side walls and floorslabs and method thereof |
| CN115387378B (en) * | 2022-07-26 | 2023-11-24 | 广州地铁设计研究院股份有限公司 | Semi-column-free assembled station based on superposed side walls and floor simple supports and method thereof |
| CN115324103B (en) * | 2022-07-26 | 2023-11-24 | 广州地铁设计研究院股份有限公司 | Large-span assembled underground station based on simply supported diaphragm wall and floor slab and construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |