CN104763077A - Demoulding-free shear wall and construction method thereof - Google Patents
Demoulding-free shear wall and construction method thereof Download PDFInfo
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- CN104763077A CN104763077A CN201510072857.9A CN201510072857A CN104763077A CN 104763077 A CN104763077 A CN 104763077A CN 201510072857 A CN201510072857 A CN 201510072857A CN 104763077 A CN104763077 A CN 104763077A
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- shear wall
- concrete
- vertical
- wall
- sidewall
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 59
- 230000002787 reinforcement Effects 0.000 claims description 33
- 239000003351 stiffener Substances 0.000 claims description 13
- 239000011449 brick Substances 0.000 claims description 11
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 4
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses demoulding-free shear wall and a construction method thereof. The demoulding-free shear wall comprises a hollow concrete block, cast-in-place concrete, transverse reinforcing steel bars and vertical reinforcing steel bars, wherein the hollow concrete block comprises a vertical reinforcing plate, a grooved sidewall and a non-grooved sidewall; a vertical groove is formed in the grooved sidewall; the elevation of the upper surface of the vertical reinforcing plate is less than the elevation of the upper surfaces of the non-grooved sidewall and the grooved sidewall. The construction method for the demoulding-free shear wall comprises the steps of (1) fixing the vertical reinforcing steel bars, positioning the hollow concrete block, and positioning the transverse reinforcing steel bars above the vertical reinforcing plate of the concrete block; (2) building one or more than one concrete block according to step (1), inserting a concrete separating plate into a rectangular groove between a convex rib and the grooved sidewall or sealing the vertical groove with concrete mortar, and pouring concrete into the hollow block to form the demoulding-free shear wall. According to the demoulding-free shear wall, the hollow concrete block is used as an outer template, so that additional template can be saved, the construction speed can be increased, and meanwhile, the construction cost can be saved.
Description
Technical field:
The present invention relates to building field, specifically refer to that one exempts from form removal shear wall and construction method thereof.
Background technology:
Adopt reinforced masonry to build the house such as semi-high-rise housing, hotel, office building and there is sizable competitiveness because reinforced masonry structure has excellent mechanical property, simple construction method and cost low, the advantage such as speed of application faster.General reinforced masonry structure adopts vertical double-row hole building block, this building block when building by laying bricks or stones place transverse reinforcement time, need the redundance knocking out well cutting in advance, form level trough, to place horizontal reinforcement, add construction works amount, and leave a large amount of broken concrete rubbish, needs are cleared, and increase construction cost.
At present, in highrise building, shear wall adopts cast-in-situ steel reinforced concrete shear wall mostly, but cast-in-situ steel reinforced concrete shear wall needs a large amount of template, and working procedure is complicated, and speed of application is slow.
Summary of the invention:
The object of the present invention is to provide a kind of easy construction, speed of application is fast, and what cost was low exempts from form removal shear wall.The present invention also aims to provide a kind of and make the above-mentioned construction method exempting from form removal shear wall.
To achieve these goals, the present invention adopts following technical scheme: one exempts from form removal shear wall, comprise concrete hollow block, cast-in-situ concrete, transverse reinforcement, vertical reinforcement, described concrete hollow block comprises vertical stiffener, slotted wall and unslotted sidewall, wherein have vertical slot in the middle part of slotted wall, vertical stiffener upper surface absolute altitude is lower than the upper surface absolute altitude of unslotted sidewall and slotted wall.Above-mentionedly exempt from form removal shear wall for making, construction method of the present invention is as follows: (1) fixes vertical reinforcement, places concrete hollow block, above building block vertical stiffener, places transverse reinforcement; (2) build the building block of more than a skin or a skin by laying bricks or stones by step (1) after, between the rectangular channel that fin and slotted wall are formed, insert concrete separating plate or close vertical slot by cement mortar, placing of concrete in building-block, is formed and exempts from form removal shear wall.Because this shear wall adopts concrete hollow block as exterior sheathing, do not need to carry out formwork, striking job more in addition, improve speed of application, save construction cost simultaneously.The object of the setting of vertical slot is to simplify working procedure, improve conventional construction method, it is by realizing like this: first fix vertical reinforcement, the vertical slot center line of concrete hollow block is aligned vertical reinforcement, horizontal sliding building block forward, until vertical reinforcement submerges in concrete hollow block hollow cavity completely.Because vertical stiffener upper surface absolute altitude is lower than the upper surface absolute altitude of unslotted sidewall and slotted wall, transverse reinforcement can directly be placed on vertical stiffener, the contact of hypodermis blockhouse can not be hindered, and do not need to anticipate concrete hollow block before construction to form level trough, a large amount of broken concrete rubbish can not be produced, make troubles to construction and increase extra cost.Adopt the technical scheme of file of the present invention, can better prevent vertical reinforcement from deviation position or bending phenomenon occurring in casting process.Adopt the technical scheme of file of the present invention, the colligation of transverse reinforcement and vertical reinforcement can be realized smoothly, the holistic resistant behavior of body of wall is improved a lot.
Further in the inventive solutions, the slotted wall of described concrete hollow block and the longitudinal length sum of vertical slot are less than the longitudinal length of unslotted sidewall.When this set-up mode makes to adopt fissure of displacement bridging method to build building block by laying bricks or stones, the vertical slot energy of top building block is communicated with the mortar joint between lower blocks and aligns, built by laying bricks or stones body of wall is made to form the consistent elongated vertical slot of width up and down, be convenient to laying of concrete separating plate, and then vertical slot can be closed accurately, prevent from, in concreting process, running pulp phenomenon occurs.
Further in the inventive solutions, inclined-plane is arranged in the slotted wall of described concrete hollow block and the end face of unslotted sidewall and side.The object that arranges on this inclined-plane is to be convenient to smear or spray furnace, adds the contact area of mortar and building block simultaneously, effectively improves the adhesion strength of mortar and building block, thus ensure that globality and the stability of body of wall.
Further in the inventive solutions, described concrete hollow block, at vertical slot place and slotted wall two ends, is provided with fin inside slotted wall.The object arranging this fin is to be convenient to assign concrete separating plate, after laying a skin or the above building block of a skin, is inserted by concrete separating plate in the rectangular channel between fin and slotted wall, closes vertical slot, vertical slot place spillage when preventing placing of concrete.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as limitation of the present invention.
Accompanying drawing illustrates:
In the following drawings, 1 is concrete hollow block, and 2 is vertical stiffener, and 3 is slotted wall, and 4 is unslotted sidewall, and 5 is vertical slot, and 6 is cast-in-situ concrete, and 7 is transverse reinforcement, and 8 is vertical reinforcement, and 9 is concrete separating plate, and 10 is fin, and 11 is mortar.
Fig. 1 is concrete hollow block axonometric drawing;
Fig. 2 is concrete hollow block plan structure schematic diagram;
Fig. 3 is concrete hollow block side-looking structural representation;
Fig. 4 is the concrete hollow block structural representation of band fin;
Fig. 5 is for exempting from form removal shear wall plan structure schematic diagram;
Fig. 6 is for exempting from form removal shear wall cutting plane structural representation;
Fig. 7 builds another embodiment by laying bricks or stones for exempting from form removal walling unit;
Fig. 8 installs another embodiment of concrete separating plate for exempting from form removal body of wall;
Fig. 9 is for exempting from another embodiment of form removal shear wall.
Detailed description of the invention:
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described further.
The present invention is as shown in accompanying drawing 1-9.One exempts from form removal shear wall, comprises concrete hollow block 1, cast-in-situ concrete 6, transverse reinforcement 7, vertical reinforcement 8.
As Figure 1-3, concrete hollow block is made up of slotted wall 3, unslotted sidewall 4, vertical stiffener 2, slotted wall 3 is provided with vertical slot 5.Because the setting of vertical slot simplifies working procedure, improve traditional building method.In work progress, first fix vertical reinforcement 8, vertical slot 5 center line of concrete hollow block is aligned vertical reinforcement 8, horizontal sliding concrete hollow block forward, until vertical slot 5 is through all vertical reinforcements 8, after the first skin building block all places, transverse reinforcement 7 is placed on vertical stiffener 2, vertical reinforcement 8 and transverse reinforcement 7 are carried out colligation, then builds next skin concrete hollow block or concreting as stated above by laying bricks or stones.When building next skin concrete hollow block by laying bricks or stones, adopt fissure of displacement overlap joint, the vertical slot of epithelium building block aligns the mortar joint of hypodermis blockhouse, aligns the straight joint that formation width is consistent up and down, so that the laying of concrete separating plate.
As shown in Figure 4, in vertical slot 5 and slotted wall 3 two ends, fin 10 is set inside slotted wall 3, form rectangular channel between fin 10 and slotted wall 3, the concrete separating plate inserted wherein can tightly pin by this rectangular channel, prevents from, during concreting, running pulp phenomenon occurs.
After building a skin concrete hollow block by laying bricks or stones, concreting is formed and exempts from form removal shear wall immediately, its plan structure schematic diagram as shown in Figure 5, its construction sequence is: (1) fixes vertical reinforcement 8, place concrete hollow block 1, above building block vertical stiffener 2, place transverse reinforcement 7, and itself and vertical reinforcement are carried out colligation; (2) after a skin concrete block masonry is good, concrete separating plate 9 is inserted in rectangular channel between fin 10 and slotted wall 3, concreting also vibrates, and prepares building by laying bricks or stones of next skin building block immediately, and what finally form certain altitude by that analogy exempts from form removal shear wall.
Exempt from another embodiment of form removal shear wall as Figure 6-9.Fig. 6 is the cutting plane structural representation of exempting from form removal shear wall.Its construction sequence is: (1) fixes vertical reinforcement 8, places concrete hollow block 1, places transverse reinforcement 7, and itself and vertical reinforcement are carried out colligation above building block vertical stiffener 2; (2) after building several skin building block by laying bricks or stones with the method for step (1), form the external mold board wall of shear wall as shown in Figure 7, concrete separating plate 9 is inserted in rectangular channel between fin 10 and slotted wall 3, brushing mortar 11 outside demarcation strip, as shown in Figure 8, concreting vibrates, and what finally formed exempts from form removal shearing as shown in Figure 9.
Claims (6)
1. exempt from form removal shear wall for one kind, comprise concrete hollow block (1), cast-in-situ concrete (6), transverse reinforcement (7), vertical reinforcement (8), it is characterized in that: described concrete hollow block (1) comprises vertical stiffener (2), slotted wall (3) and unslotted sidewall (4), wherein slotted wall (3) middle part has vertical slot (5), and vertical stiffener (2) upper surface absolute altitude is lower than the upper surface absolute altitude of unslotted sidewall (4) and slotted wall (3).
2. according to claim 1ly exempt from form removal shear wall, it is characterized in that: described slotted wall (3) and the longitudinal length sum of vertical slot (5) are less than the longitudinal length of unslotted sidewall (4).
3. according to claim 1ly exempt from form removal shear wall, it is characterized in that: inclined-plane is arranged in described slotted wall (3) and the end face of unslotted sidewall (4) and side.
4. according to claim 1ly exempt from form removal shear wall, it is characterized in that: described vertical slot (5) place and slotted wall (3) two ends, slotted wall (3) inner side is provided with fin (10).
5. fin according to claim 4, is characterized in that: between the rectangular channel that described fin (10) and slotted wall (3) are formed, insert concrete separating plate (9).
6. the construction method making shear wall described in claim 1 comprises the steps:
A () fixes vertical reinforcement (8), place concrete hollow block (1), places transverse reinforcement (7) in building block vertical stiffener (2) top;
B () builds the building block of more than a skin or a skin by laying bricks or stones by step (a) after, between the rectangular channel that fin (10) and slotted wall (3) are formed, insert concrete separating plate (9) or close vertical slot (5) by cement mortar, placing of concrete in building-block, is formed and exempts from form removal shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072857.9A CN104763077B (en) | 2015-02-12 | 2015-02-12 | One kind exempts from form removal shear wall and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072857.9A CN104763077B (en) | 2015-02-12 | 2015-02-12 | One kind exempts from form removal shear wall and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763077A true CN104763077A (en) | 2015-07-08 |
| CN104763077B CN104763077B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510072857.9A Expired - Fee Related CN104763077B (en) | 2015-02-12 | 2015-02-12 | One kind exempts from form removal shear wall and its construction method |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004385A (en) * | 1973-04-17 | 1977-01-25 | Momotoshi Kosuge | Building structure using concrete blocks |
| US4167840A (en) * | 1978-07-19 | 1979-09-18 | Ivany George R | Reinforced masonry wall construction |
| CN201649405U (en) * | 2009-12-30 | 2010-11-24 | 湖南高岭建设集团股份有限公司 | Building block for shear wall of reinforced masonry |
| CN103774774A (en) * | 2012-10-26 | 2014-05-07 | 陕西龙海工程建设有限公司 | Novel built brick wall |
| CN104047392A (en) * | 2014-07-04 | 2014-09-17 | 山东春天建材科技有限公司 | Cast-in-site rigid bone self-heat-preservation wall body, building blocks and wall building method |
-
2015
- 2015-02-12 CN CN201510072857.9A patent/CN104763077B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004385A (en) * | 1973-04-17 | 1977-01-25 | Momotoshi Kosuge | Building structure using concrete blocks |
| US4167840A (en) * | 1978-07-19 | 1979-09-18 | Ivany George R | Reinforced masonry wall construction |
| CN201649405U (en) * | 2009-12-30 | 2010-11-24 | 湖南高岭建设集团股份有限公司 | Building block for shear wall of reinforced masonry |
| CN103774774A (en) * | 2012-10-26 | 2014-05-07 | 陕西龙海工程建设有限公司 | Novel built brick wall |
| CN104047392A (en) * | 2014-07-04 | 2014-09-17 | 山东春天建材科技有限公司 | Cast-in-site rigid bone self-heat-preservation wall body, building blocks and wall building method |
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| Publication number | Publication date |
|---|---|
| CN104763077B (en) | 2017-09-26 |
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Effective date of registration: 20221009 Address after: Xiangjiang Century City, Kaifu District, Changsha City, Hunan Province 410008 Patentee after: Wu Chong Address before: Institute of Structural Engineering, Hunan University, Lushan South Road, Yuelu District, Changsha City, Hunan Province 410082 Patentee before: Wu Fangbo |
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Granted publication date: 20170926 |
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