CN105350724A - A steel bar proactive cover cushion block for buildings and a construction method thereof - Google Patents
A steel bar proactive cover cushion block for buildings and a construction method thereof Download PDFInfo
- Publication number
- CN105350724A CN105350724A CN201510777858.3A CN201510777858A CN105350724A CN 105350724 A CN105350724 A CN 105350724A CN 201510777858 A CN201510777858 A CN 201510777858A CN 105350724 A CN105350724 A CN 105350724A
- Authority
- CN
- China
- Prior art keywords
- cushion block
- reinforcing bar
- support
- protective layer
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
A steel bar proactive cover cushion block for buildings is disclosed. The cushion block comprises a lower supporting part (3) and an upper supporting part (1) which are an integral part formed by concrete pouring molding through a mold. The junction surface between the lower supporting part (3) and the upper supporting part (1) is a mold joint (2). The upper supporting part (1) is provided with two steel bar flutes (4) which are parallel to the mold joint (2), perpendicular to each other and used for containing steel bars. The two steel bar flutes (4) penetrate the upper supporting part (1) horizontally. Distances from flute bottoms of the two steel bar flutes (4) to the mold joint (2) are different. The concrete used is fine-stone concrete having a grade of C25-C35. Accordingly, any tread by construction workers in construction sites can be supported, shock generated by vertical pressure and horizontal kinetic energy formed in concrete pouring and pounding processes of a concrete pump can be supported, a finished product is high in degree of density, and water penetration of the cushion block is avoided.
Description
Technical field
The present invention relates to the technical field that building is built, is specifically a kind of construction steel tendon protective layer cushion block and construction method thereof.
Background technology
Reinforcement cover, outermost layer reinforcing bar outward flange to a section of concrete surface, the effect that it plays is: first, safeguard the durability of frame construction, this is because the thickness of reinforcement in concrete topping is too thin then easily infiltrate moist gas and moisture content, thickness is blocked up, easily produces crack, these all may make reinforcement corrosion and expand, thus concrete is wrecked, impact uses, and causes framework to there is potential safety hazard; The second, bear External Force Acting, reinforcement cover has anchored force to reinforcing bar; it utilizes the anchored force between concrete and rebar; both combine closely, and jointly participate in work, then reduce its anchored force thus reduce the effect that frame construction supports axial force-resisting and moment of flexure when topping crosses thin or disappearance.Therefore, in current inspection of quality work, the control of thickness of protection tier more and more comes into one's own, and also specify and will carry out entity detection in new criteria in the course of receiving.Cushion block of concrete bar protective layer is then in frame construction; act on outside beam reinforced steel bar; for expanding bearing area, be solve reinforcing bar flexural deformation of causing under deadweight and external force factor effect, thus impact beam slab concrete water smash after the conventional way of thickness of protection tier deficiency.The most widely used cushion block of concrete bar protective layer is mainly that raw material is produced with plastics on the market now.But the shortcoming that this cushion block of concrete bar protective layer exists is:
1) due in two pieces of work progresss, plastic cushion cannot bear construction and trample born impact force, and the impact force that the vertical pressure of ground pump in casting and compacting of concrete process and horizontal kinetic energy are formed, thus make cushion block distortion, fragmentation or topple over to lose supporting role, then make the control of thickness of protection tier can not be guaranteed, now this cushion block point can form structure and runs through seepage point;
2) in addition, traditional cushion block, in order to resist working load, also needs to increase steel bar horse-shaped bench muscle, therefore adds construction cost on the one hand, and the part of this small size is easy to lose at the construction field (site) on the other hand, thus causes waste.
Summary of the invention
Technical problem to be solved by this invention is, provides one greatly to strengthen compressive strength, and the control of the control of thickness of protection tier and floorslab concrete integral thickness can be protected, construction steel tendon protective layer cushion block that cost is low.
For solving the problems of the technologies described above, construction steel tendon protective layer cushion block provided by the invention, comprise and support bottom and support top, described support bottom and support top are by a shaping entirety of mould concreting, the joint face supported between bottom and support top is die joint, support top is provided with and is parallel to die joint and intersect vertically two reinforcing bar grooves for accommodating reinforcing bar, described two equal horizontal directions of reinforcing bar groove run through and supports top, and the bottom land of two reinforcing bar grooves is unequal to the distance of die joint; The fine-stone concrete that the concrete grade used is C25 ~ C35.
Described support bottom is provided with and is parallel to die joint and intersect vertically two leg grooves, described two equal horizontal directions of leg groove run through and supports bottom, and the bottom land of two leg grooves is unequal to the distance of die joint.
Described support top is square with the cross section supporting bottom.
Four lateral walls on described support top all have the first gradient, four lateral walls supporting bottom all have the second gradient, the cell wall supporting two articles of reinforcing bar grooves on top all has the 3rd gradient, and the cell wall supporting two articles of leg grooves of bottom all has the 4th gradient.
Two described reinforcing bar grooves all run through the central point supporting top.
Two described leg grooves all run through the central point supporting bottom.
The slot bottom width of described leg groove is greater than the slot bottom width of reinforcing bar groove.
The second described gradient is less than the first gradient, and the 4th gradient is greater than the 3rd gradient.
Darker that reinforcing bar groove of groove depth support on top run through that more shallow leg groove of direction and groove depth support on bottom to run through direction identical, and more shallow that reinforcing bar groove of groove depth on support top run through that darker leg groove of direction and groove depth support on bottom to run through direction identical.
After adopting above structure, the present invention compared with prior art, has the following advantages:
1) because support bottom and support top are by a shaping entirety of aluminum dipping form concreting, it ensure that enough compressive strength on the whole, ensure to sustain trampling arbitrarily of constructor at the construction field (site), and the impact force that the vertical pressure that produces in casting and compacting of concrete process of ground pump and horizontal kinetic energy are formed; And finished product compactness is high, cushion block place is avoided to occur infiltration phenomenon;
2) support the effect that bottom act as steel bar horse-shaped bench muscle, cushion block and supporting steel bar are united two into one, reduce construction cost on the one hand, avoid the waste caused owing to losing supporting steel bar on the other hand;
3) bottom land supporting top two reinforcing bar grooves to die joint distance not etc., be equivalent to the position placement that two reinforcing bars are spatially in staggered floor, ensure that reinforcing bar can be fitted cushion block more, avoid occurring the sliding phenomenon of reinforcing bar on cushion block;
4) support top and support bottom being designed to cross section is square structure, is that central point is determined convenient, and the spacing controlling reinforcing bar for constructor provides obvious reference point in order to install simple and can not be shifted.
5) two reinforcing bar grooves and two leg grooves move towards design, being then the bulk strength in order to increase cushion block as much as possible, further ensuring the thickness of reinforcement cover.
For solving the problems of the technologies described above, the construction method of construction steel tendon protective layer cushion block provided by the invention, it comprises following step:
1) first end placing of reinforcement to be laid, then at the position placement topping cushion block that intersects vertically of end placing of reinforcement, make two leg grooves that the support bottom of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of end placing of reinforcement;
2) at 4 ~ 5 steel-bar arrangement topping cushion block of being often separated by of end placing of reinforcement;
3) then on topping cushion block, place placing of reinforcement, make two reinforcing bar grooves that the support top of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of upper placing of reinforcement.
After adopting above-described construction method, compared with prior art, which increase the weight capacity of end placing of reinforcement and the weight capacity of upper placing of reinforcement, the phenomenon that is distortion that prevents reinforcing bar because of stressed, and easy construction, only need place according to the order of sequence.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of construction steel tendon protective layer cushion block of the present invention.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
Fig. 3 is the plan structure schematic diagram of construction steel tendon protective layer cushion block of the present invention.
Fig. 4 be construction steel tendon protective layer cushion block of the present invention look up structural representation.
Wherein: 1, support top; 2, die joint; 3, bottom is supported; 4, reinforcing bar groove; 5, leg groove; 6, the first gradient; 7, the second gradient; 8, the 3rd gradient; 9, the 4th gradient.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
From the structural representation of the construction steel tendon protective layer cushion block of the present invention shown in Fig. 1 ~ Fig. 4, it comprises support bottom 3 and supports top 1, described support bottom 3 and support top 1 are the entirety adopting concreting shaping by mould, the joint face supported between bottom 3 and support top 1 is die joint 2, support top 1 is provided with and is parallel to die joint 2 and intersect vertically two reinforcing bar grooves 4 for accommodating reinforcing bar, the equal horizontal direction of described two reinforcing bar grooves 4 runs through and supports top 1, and the bottom land of two reinforcing bar grooves 4 is unequal to the distance of die joint 2.The fine-stone concrete that the concrete grade used is C25 ~ C35.In the present embodiment, build the mould of middle use for aluminum dipping form, and on one pair of mould, matrix array is placed with multiple die cavity, is divided into upper die and lower die with die joint 2 for boundary, the fine-stone concrete that the concrete used is C35 for label.
Described support bottom 3 is provided with and is parallel to die joint 2 and intersect vertically two leg grooves 5, the equal horizontal direction of described two leg grooves 5 runs through supporting bottom 3, and the bottom land of two leg grooves 5 is unequal to the distance of die joint 2.
Described support top 1 is square with the cross section supporting bottom 3.
Four lateral walls on described support top 1 all have the first gradient 6, four lateral walls supporting bottom 3 all have the second gradient 7, the cell wall supporting two articles of reinforcing bar grooves 4 on top 1 all has the 3rd gradient 8, and the cell wall supporting two articles of leg grooves 5 of bottom 3 all has the 4th gradient 9.
Two described reinforcing bar grooves 4 all run through the central point supporting top 1.
Two described leg grooves 5 all run through support bottom 3 central point.
The slot bottom width of described leg groove 5 is greater than the slot bottom width of reinforcing bar groove 4.
The second described gradient 7 is less than the first gradient the 6, four gradient 9 and is greater than the 3rd gradient 8.
Darker that reinforcing bar groove 4 of groove depth support on top 1 run through that more shallow leg groove 5 of direction and groove depth support on bottom 3 to run through direction identical, and more shallow that reinforcing bar groove 4 of groove depth on support top 1 run through that darker leg groove 5 of direction and groove depth support on bottom 3 to run through direction identical.
The construction method of this construction steel tendon protective layer cushion block, it comprises following step:
1) first end placing of reinforcement to be laid, then at the position placement topping cushion block that intersects vertically of end placing of reinforcement, make two leg grooves 5 that the support bottom 3 of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of end placing of reinforcement;
2) at 4 ~ 5 steel-bar arrangement topping cushion block of being often separated by of end placing of reinforcement;
3) then on topping cushion block, place placing of reinforcement, make two reinforcing bar grooves 4 that the support top 1 of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of upper placing of reinforcement.
The above; it is only the better feasible exemplifying embodiment of the present invention; therefore interest field of the present invention can not namely be limited to; concerning those of ordinary skill in the art, other various corresponding changes that all utilizations technical scheme of the present invention and technical conceive are made all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a construction steel tendon protective layer cushion block, comprise and support bottom (3) and support top (1), it is characterized in that: described support bottom (3) and support top (1) are the entirety adopting concreting shaping by mould, the joint face supported between bottom (3) and support top (1) is die joint (2), support top (1) is provided with and is parallel to die joint (2) and intersect vertically two reinforcing bar grooves (4) for accommodating reinforcing bar, the equal horizontal direction of described two reinforcing bar grooves (4) runs through and supports top (1), and the bottom land of two reinforcing bar grooves (4) is unequal to the distance of die joint (2), the fine-stone concrete that the concrete used is C25 ~ C35 for label.
2. construction steel tendon protective layer cushion block according to claim 1; it is characterized in that: described support bottom (3) is provided with and is parallel to die joint (2) and intersect vertically two leg grooves (5); the equal horizontal direction of described two leg grooves (5) runs through and supports bottom (3), and the bottom land of two leg grooves (5) is unequal to the distance of die joint (2).
3. construction steel tendon protective layer cushion block according to claim 2, is characterized in that: described support top (1) is square with the cross section supporting bottom (3).
4. construction steel tendon protective layer cushion block according to claim 3; it is characterized in that: four lateral walls on described support top (1) all have the first gradient (6); four lateral walls supporting bottom (3) all have the second gradient (7); the cell wall supporting two articles of reinforcing bar grooves (4) on top (1) all has the 3rd gradient (8), and the cell wall supporting two articles of leg grooves (5) of bottom (3) all has the 4th gradient (9).
5. construction steel tendon protective layer cushion block according to claim 1, is characterized in that: two described reinforcing bar grooves (4) all run through the central point supporting top (1).
6. construction steel tendon protective layer cushion block according to claim 2, is characterized in that: two described leg grooves (5) all run through support bottom (3) central point.
7. construction steel tendon protective layer cushion block according to claim 4, is characterized in that: the slot bottom width of described leg groove (5) is greater than the slot bottom width of reinforcing bar groove (4).
8. construction steel tendon protective layer cushion block according to claim 4, is characterized in that: described the second gradient (7) is less than the first gradient (6), and the 4th gradient (9) is greater than the 3rd gradient (8).
9. construction steel tendon protective layer cushion block according to claim 2; it is characterized in that: darker that reinforcing bar groove (4) of groove depth support on top (1) run through that more shallow leg groove (5) of direction and groove depth support on bottom (3) to run through direction identical, and more shallow that reinforcing bar groove (4) of groove depth in support top (1) run through that darker leg groove (5) of direction and groove depth support on bottom (3) to run through direction identical.
10., according to the construction method of the construction steel tendon protective layer cushion block above described in any claim, it is characterized in that: it comprises following step:
1) first end placing of reinforcement is laid, place topping cushion block in the position that intersects vertically of end placing of reinforcement again, make two leg grooves (5) that the support bottom (3) of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of end placing of reinforcement;
2) at 4 ~ 5 steel-bar arrangement topping cushion block of being often separated by of end placing of reinforcement;
3) then on topping cushion block, place placing of reinforcement, make two reinforcing bar grooves (4) that the support top (1) of topping cushion block intersects vertically just in time with the place's clamping that intersects vertically of upper placing of reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777858.3A CN105350724A (en) | 2015-11-13 | 2015-11-13 | A steel bar proactive cover cushion block for buildings and a construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777858.3A CN105350724A (en) | 2015-11-13 | 2015-11-13 | A steel bar proactive cover cushion block for buildings and a construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105350724A true CN105350724A (en) | 2016-02-24 |
Family
ID=55326773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777858.3A Pending CN105350724A (en) | 2015-11-13 | 2015-11-13 | A steel bar proactive cover cushion block for buildings and a construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105350724A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE777055A (en) * | 1970-12-21 | 1972-04-17 | Sogedic Sa | SUPPORT, IN PARTICULAR SPACING SUPPORT FOR CONCRETE REINFORCEMENTS, AND METHOD AND DEVICES FOR MANUFACTURING SUCH SUBSTRATES |
| JP2003003608A (en) * | 2001-06-22 | 2003-01-08 | Cr System Kk | Spacer for reinforcement |
| CN2929027Y (en) * | 2006-07-10 | 2007-08-01 | 贺绍勤 | Concrete product cross groove block for steel concrete protective layer |
| CN201924516U (en) * | 2010-12-15 | 2011-08-10 | 中建四局第六建筑工程有限公司 | Building engineering constructional concrete support |
| CN203383402U (en) * | 2013-07-21 | 2014-01-08 | 杜兵 | Concrete cushion block |
| CN203878872U (en) * | 2014-05-06 | 2014-10-15 | 浙江广厦建设职业技术学院 | Floorslab steel bar supporting stirrup |
| CN203947686U (en) * | 2014-05-23 | 2014-11-19 | 中建六局建设发展有限公司 | For the supporting and location piece of two-layer horizontal reinforcement in floor |
| CN205077732U (en) * | 2015-11-13 | 2016-03-09 | 浙江万华建设有限公司 | Reinforcing bar protective layer cushion block for building |
-
2015
- 2015-11-13 CN CN201510777858.3A patent/CN105350724A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE777055A (en) * | 1970-12-21 | 1972-04-17 | Sogedic Sa | SUPPORT, IN PARTICULAR SPACING SUPPORT FOR CONCRETE REINFORCEMENTS, AND METHOD AND DEVICES FOR MANUFACTURING SUCH SUBSTRATES |
| JP2003003608A (en) * | 2001-06-22 | 2003-01-08 | Cr System Kk | Spacer for reinforcement |
| CN2929027Y (en) * | 2006-07-10 | 2007-08-01 | 贺绍勤 | Concrete product cross groove block for steel concrete protective layer |
| CN201924516U (en) * | 2010-12-15 | 2011-08-10 | 中建四局第六建筑工程有限公司 | Building engineering constructional concrete support |
| CN203383402U (en) * | 2013-07-21 | 2014-01-08 | 杜兵 | Concrete cushion block |
| CN203878872U (en) * | 2014-05-06 | 2014-10-15 | 浙江广厦建设职业技术学院 | Floorslab steel bar supporting stirrup |
| CN203947686U (en) * | 2014-05-23 | 2014-11-19 | 中建六局建设发展有限公司 | For the supporting and location piece of two-layer horizontal reinforcement in floor |
| CN205077732U (en) * | 2015-11-13 | 2016-03-09 | 浙江万华建设有限公司 | Reinforcing bar protective layer cushion block for building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102747735A (en) | Treatment method for abnormal deformation of deep foundation pit concrete support piling | |
| CN108457469A (en) | A kind of concrete structure construction method with assembled masonry filler wall | |
| CN202830952U (en) | Novel soft soil foundation structure | |
| CN104805963B (en) | A kind of very-high performance spacer preparation method | |
| CN101839063B (en) | Movable steel base for constructing prefabricated beam and standard joint thereof | |
| CN205077732U (en) | Reinforcing bar protective layer cushion block for building | |
| CN201671063U (en) | Movable steel base for construction precast beams and standard knot thereof | |
| CN105507329A (en) | Support replacement system for base plates of foundation pit of mucky soil layer in deep foundation pit support construction | |
| CN105350724A (en) | A steel bar proactive cover cushion block for buildings and a construction method thereof | |
| CN105382919B (en) | A kind of prefabricated section prefabricated mould and its method for prefabricating | |
| CN104110131A (en) | Hollow concrete shuttering of constructional wall column | |
| CN106368387A (en) | Concrete product catching split head for supporting upper layer steel bar | |
| CN208072810U (en) | A kind of novel cast-in-situ steel reinforced concrete stair | |
| CN205035732U (en) | Interim support of combined type bridge | |
| CN103726592A (en) | Light block wall with Z-shaped column frames and built-in single-row reinforcing bars and manufacturing method thereof | |
| CN211714007U (en) | Construction elevator foundation structure | |
| CN216109368U (en) | Cushion block for controlling thickness of upper steel bar protective layer and floor slab | |
| CN207092382U (en) | A kind of steel plate concrete composite reinforcement reinforced beam anti-fatigue performance structure | |
| CN110593442A (en) | Building method of masonry infilled wall adaptive to deformation of external frame | |
| CN107178216B (en) | Big height brick-concrete composite buildings reinforcing construction | |
| Tripura et al. | Structural behavior of cement-stabilized rammed earth column under compression | |
| CN220284855U (en) | Basic combined board bed-jig and building construction equipment | |
| CN204960141U (en) | Hollow cushion | |
| CN110748027A (en) | Concrete large hollow shear wall | |
| CN103741837B (en) | Z-shaped column frame built-in reinforced bar support light block body of wall and the practice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
|
| RJ01 | Rejection of invention patent application after publication |