CN115262998B - Construction process for vertically reserving steel bar hanging alignment of assembled shear wall - Google Patents
Construction process for vertically reserving steel bar hanging alignment of assembled shear wall Download PDFInfo
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- CN115262998B CN115262998B CN202210852823.1A CN202210852823A CN115262998B CN 115262998 B CN115262998 B CN 115262998B CN 202210852823 A CN202210852823 A CN 202210852823A CN 115262998 B CN115262998 B CN 115262998B
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- shear wall
- steel
- construction process
- spring
- steel bar
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 title claims description 116
- 239000010959 steel Substances 0.000 title claims description 116
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000011900 installation process Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
Abstract
The invention relates to the field of civil engineering construction, in particular to a construction process for vertically reserving reinforcement hanging and aligning an assembled shear wall. After the method is adopted, the positions of the reinforcing steel bars and the reserved holes can be accurately and rapidly positioned, the placement speed of the fabricated shear wall is greatly improved, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the field of civil engineering construction, in particular to a construction process for vertically reserving reinforcement hanging alignment of an assembled shear wall.
Background
The assembled building is used as a modern civil engineering construction technology advocated by the nation, because accessories required by the building structure are manufactured in factories in advance, the structures and the appearance of the accessories are well processed during manufacturing, the operation procedures of a construction site are reduced, and the construction efficiency is greatly improved. The fabricated building has been widely focused and applied in different countries and regions with its great superiority.
In the assembled building, the shear wall is used as a main stress member, plays an important role in ensuring the stability of the structure, and the connecting part of the members is generally used as a weak link of stress, so that reinforcing steel bars and reserved grouting holes are reserved at the connecting part of the prefabricated members, and the members are connected into a whole through grouting mortar. However, the construction positioning problem exists in the hoisting and placing process of the reserved steel bars and the reserved grouting holes, and the positioning accuracy of the construction positioning method has important significance for placing the components. The existing assembly type shear wall and column hanging and aligning process usually adopts manual hand to slowly fall, whether the steel bars are aligned with holes or not is observed by using a mirror, the installation method is difficult to meet the installation accuracy of prefabricated components, the reserved steel bars are difficult to accurately enter reserved grouting holes, the reserved steel bars are easy to bend when the placement deviation of the reserved steel bars occurs, and the construction efficiency and the construction quality are seriously affected.
The prior patent (CN 211850963U) discloses a detachable steel bar positioning device for a shear wall, which is used for positioning a cast-in-situ reinforced concrete structure, preventing steel bars from being offset caused by concrete pouring or other reasons, and the positioning sleeve must correspond to the size, the number and the spacing of the steel bars in the shear wall one by one in the manufacturing process of the positioning sleeve, so that the positioning device cannot adapt to the requirements of various shear walls.
The prior patent (CN 202767370U) discloses a shear wall steel bar positioning frame clamp, which is characterized in that a U-shaped clamp is fixedly arranged on a longitudinal bar of a ladder bar, the operation is more complicated, and the correction is difficult after the positioning is inaccurate.
The prior patent (CN 108952014A) discloses a detachable steel bar positioning device for a shear wall, which only simply considers the problem of positioning accuracy, but the material cannot be recycled and is extremely wasted.
The three patents mainly adopt cast-in-place concrete structures, and have great differences with the assembly type building process.
Therefore, the inventor further researches the construction process of vertically reserving the steel bar hanging and placing alignment of the assembled shear wall, and the scheme is generated.
Disclosure of Invention
The invention aims to provide a construction process for vertically reserving reinforcement hanging and positioning of an assembled shear wall, which can accurately and rapidly position the reinforcement and the reserved hole, greatly improve the placement speed of the assembled shear wall and improve the construction efficiency.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the construction process for vertically reserving steel bar hanging and placing alignment of the assembled shear wall comprises the following steps:
the first step: the method comprises the steps of (1) screwing a thin steel pipe with one end of a thick steel pipe, connecting the other end of the thick steel pipe with a spring and steel bars in the spring, arranging steel sheets at the end parts of the steel bars in the spring, connecting the spring with a backing plate, arranging smooth round steel bars below the backing plate, and wherein the connecting structure is a basic structure of a positioning device;
and a second step of: compressing the spring, and enabling a bolt to be pinned into the spring and to be abutted against the steel sheet, so that the spring is kept in a compressed state;
and a third step of: the upper shear wall is connected through a lifting hook and a steel wire rope, and is lifted;
fourth step: lifting the upper shear wall to a preset position above the lower shear wall, stopping falling, and adjusting the position;
fifth step: sleeving a reserved connecting steel bar at one corner of the upper shear wall into a thin steel pipe and enabling the steel bar to prop against the upper shear wall, pulling out a bolt outwards to enable a spring to pop out, adjusting the relative length of the two steel pipes through threads between the thin steel pipe and a thick steel pipe, enabling a smooth steel bar to enter a reserved grouting hole of the lower shear wall, and enabling the bottom surface of a backing plate to be completely contacted with the lower shear wall;
sixth step: repeating the fifth step of process at the corner opposite to the fifth step of installation process to ensure that the heights of the positioning devices on the two diagonal lines are consistent, and reserving connecting steel bars right above the reserved grouting holes at the moment;
seventh step: placing two temporary guide devices at two opposite angles of the corner of the upper shear wall, and taking out the positioning devices on the two opposite angles;
eighth step: continuously downwards arranging the upper shear wall, and assisting a worker to slowly drop the stabilizing member to finish the final arranging process;
ninth step: and installing a shear wall support.
Through scalable control's positioner, fix a position upper portion shear force wall and lower part shear force wall earlier, rethread guider carries out the direction installation, realizes quick location reinforcing bar and the position of preformed hole, improves the laying speed of assembled shear force wall greatly, has improved the efficiency of construction.
Further, the backing plate is provided with an annular sleeve baffle, and the bolt passes through the annular sleeve baffle.
The annular sleeve catch is used to guide the limiting bolt.
Further, the temporary guiding device comprises strip-shaped angle steel, the length of the strip-shaped angle steel is at least 1 meter, a steel pedal is welded on the outer side of the bottom of the angle steel, a level pipe support is welded on the upper portion of the angle steel, and a level pipe is arranged.
In the seventh step, the inner side of the right angle of the strip-shaped angle steel is contacted with the upper shear wall, the temporary guide device is placed on the lower shear wall, an operator stands on the temporary guide device through a pedal to keep stable, and at the moment, two steel pipes in the positioning device are adjusted to take out the positioning devices on two opposite angles.
Further, in the eighth step, when continuing to downwards install upper portion shear force wall, whether have to rock or control the skew when detecting upper portion shear force wall whereabouts through the level pipe, correct the shear force wall in time, guarantee its accurate whereabouts.
Further, one end of the strip-shaped angle steel, which is positioned on the lower shear wall, is provided with a supporting frame.
After the scheme is adopted, compared with the prior art, the invention has the following advantages:
1. the positions of the reinforcing steel bars and the reserved holes can be accurately and rapidly positioned, so that the placement speed of the fabricated shear wall is greatly improved, and the construction efficiency is improved;
2. the equipment can be reused, has small volume and is convenient to store and transport;
3. the equipment is simple, the operation method is simple, and the method is suitable for large-scale application in the assembly type building construction.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic view of the positioning device spring in compression;
FIG. 3 is a schematic view of the positioning device spring in a relaxed state;
FIG. 4 is a partial schematic view of the latch in linkage with the steel plate;
FIG. 5 is a schematic view of a temporary guide;
description of the reference numerals
The upper shear wall 1, the reserved connection steel bars 11, the lower shear wall 2, the reserved grouting holes 21,
positioning device 3, thin steel tube 31, thick steel tube 32, spring 33, steel bar 34 inside the spring,
steel sheet 35, bolt 36, annular sleeve baffle 37, backing plate 38, plain round bar 39,
temporary guide 4, bar angle 41, pedal 42, levelling tube 43,
a lifting hook 5 and a steel wire rope 6.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in the figure, in the construction process of vertically reserving reinforcement hanging and positioning for the fabricated shear wall, a positioning device 3 and a temporary guiding device 4 are prepared.
(1) Positioning device 3: two threaded steel pipes are used, the threads on the outer side of a thin steel pipe 31 are 100mm from bottom to top, the steel pipe is 300mm long, the inner diameter is 15mm, the wall thickness is 4mm, the threads on the inner side of a thick steel pipe 32 are long, the steel pipe is 250mm long, the inner diameter is 23mm, the wall thickness is 4mm, and the two steel pipes are screwed together through threads. The diameter of the reserved connecting steel bars 11 is 14mm, the inner diameter of the thin steel pipe 31 is slightly larger than the diameter of the connecting steel bars, and the gap is preferably 1mm to 2 mm. The steel sheet 35 is welded at the bottom of the thick steel tube 32, the spring 33 is connected to the lower part of the steel sheet 35, the steel bar 34 in the spring is arranged as a spring device of the spring 33, the other end of the spring 33 is connected with the round backing plate 38, the 100mm smooth steel bar 39 with the length being welded below the backing plate 38, the diameter is slightly smaller than a reserved hole, the gap is preferably 1mm to 2mm, and the center lines of the two steel tubes, the spring 33 and the smooth steel bar 39 are required to be on the same straight line when the whole device is manufactured, so that two sets of devices are manufactured.
(2) Temporary guide 4: the strip angle steel 41:12.5cm by 5mm, and 1m in length, a steel pedal 42 is welded on the outer side of the bottom of the strip angle steel 41, a level tube 43 bracket is welded on the upper part, and level tubes 43 are placed, so that two sets of devices are manufactured.
The construction steps are as follows:
the first step: the thin steel pipe 31 is connected with the thick steel pipe 32 through threads, the thick steel pipe 32 is connected with the spring 33 and the steel bar 34 inside the spring, the steel bar 34 inside the spring is welded with the steel sheet 35, the lower part of the spring 33 is welded with the backing plate 38, the upper part of the backing plate 38 is welded with the annular sleeve baffle 37, the smooth steel bar 39 is welded on the other side of the backing plate 38, and the thin steel pipe 31, the thick steel pipe 32, the spring 33, the steel bar 34 inside the spring and the smooth steel bar 39 are all connected in the same vertical direction.
And a second step of: the latch 36 is placed in the annular flap and placed 3mm into the hole of the spring 33, compressing the spring 33 to 100mm, placing the latch 36 on the steel sheet 35.
And a third step of: the lifting hook 5 is connected with the lifting point and the steel wire rope 6, and the lifting operation is performed on the upper shear wall 1.
Fourth step: the upper shear wall 1 is lifted to a position about 500mm above the lower shear wall 2 to stop falling, and the position of the upper shear wall is roughly adjusted.
Fifth step: by using the positioning device 3 of the invention, the reserved connecting steel bars 11 at the corner of the shear wall are sleeved into the thin steel pipes 31 and are propped against the upper shear wall 1, the bolts 36 are pulled outwards to enable the springs 33 to be ejected, the lengths of the two steel pipes are slightly adjusted through threads between the steel pipes, the smooth round steel bars 39 enter the reserved grouting holes 21, the bottom surfaces of the backing plates 38 are completely contacted with the lower shear wall 2, the upper part of the positioning device 3 props against the upper shear wall 1, and the lower backing plates 38 are horizontally arranged on the lower shear wall 2.
Sixth step: and (3) arranging reserved connection steel bars 11 on opposite angles of the shear wall in the fifth step, repeating the flow in the fifth step, and adjusting the installed positioning device 3 to the same height through threads on two steel pipes, wherein the reserved connection steel bars 11 are right above reserved grouting holes 21.
Seventh step: two temporary guiding devices 4 are placed at two opposite angles of the corners of the upper shear wall 1, preferably, the right-angle inner sides of the strip-shaped angle steels 41 are just contacted with the upper shear wall 1, the temporary guiding devices 4 are placed on the lower shear wall 2, operators stand on the temporary guiding devices through pedals 42 to keep stable, and at the moment, the steel pipe threads in the positioning devices 3 are adjusted to take out the positioning devices 3 on the two opposite angles.
Eighth step: the upper shear wall 1 is continuously downwards arranged, whether the upper shear wall 1 shakes or deflects leftwards and rightwards when falling is detected through the leveling pipe 43, the shear wall is timely corrected, the accurate falling is ensured, and a worker assists a stabilizing member to enable the stabilizing member to slowly fall to finish the final placing process.
Ninth step: and installing a shear wall support.
Tenth step: and the construction of other shear walls is continued according to the flow, the shear walls are recycled, and the shear walls are properly stored.
The foregoing is only specific embodiments of the present invention, and words such as "upper, lower, left, right, middle" and the like "related to the present invention are merely used by way of reference, not to be construed as limiting, and any insubstantial modifications made by the present invention shall fall within the scope of the invention.
Claims (6)
1. The construction process for vertically reserving steel bar hanging and positioning of the assembled shear wall is characterized by comprising the following steps of:
the first step: the method comprises the steps that a thin steel pipe is in threaded connection with one end of a thick steel pipe, the other end of the thick steel pipe is connected with a spring and steel bars in the spring, steel sheets are arranged at the end parts of the steel bars in the spring, the spring is connected with a base plate, smooth round steel bars are arranged below the base plate, and a connecting structure of the thin steel pipe and the thick steel pipe is used as a basic structure of a positioning device;
and a second step of: compressing the spring, and enabling a bolt to be pinned into the spring and to be abutted against the steel sheet, so that the spring is kept in a compressed state;
and a third step of: the upper shear wall is connected through a lifting hook and a steel wire rope, and is lifted;
fourth step: lifting the upper shear wall to a preset position above the lower shear wall, stopping falling, and adjusting the position;
fifth step: sleeving a reserved connecting steel bar at one corner of the upper shear wall into a thin steel pipe and enabling the steel bar to prop against the upper shear wall, pulling out a bolt outwards to enable a spring to pop out, adjusting the relative length of the two steel pipes through threads between the thin steel pipe and a thick steel pipe, enabling a smooth steel bar to enter a reserved grouting hole of the lower shear wall, and enabling the bottom surface of a backing plate to be completely contacted with the lower shear wall;
sixth step: repeating the fifth step of process at the corner opposite to the fifth step of installation process to ensure that the heights of the positioning devices on the two diagonal lines are consistent, and reserving connecting steel bars right above the reserved grouting holes at the moment;
seventh step: placing two temporary guide devices at two opposite angles of the corner of the upper shear wall, and taking out the positioning devices on the two opposite angles;
eighth step: continuously downwards arranging the upper shear wall, and assisting a worker to slowly drop the stabilizing member to finish the final arranging process;
ninth step: and installing a shear wall support.
2. The construction process for vertically reserving reinforcing steel bar hanging and aligning of the fabricated shear wall according to claim 1, wherein the construction process comprises the following steps: the backing plate is provided with an annular sleeve baffle, and the bolt passes through the annular sleeve baffle.
3. The construction process for vertically reserving reinforcing steel bar hanging and aligning of the fabricated shear wall according to claim 1, wherein the construction process comprises the following steps: the temporary guiding device comprises strip-shaped angle steel, the length of the strip-shaped angle steel is at least 1 meter, a steel pedal is welded on the outer side of the bottom of the angle steel, a level pipe bracket is welded on the upper portion of the angle steel, and a level pipe is arranged.
4. The construction process for vertically reserving reinforcing steel bar hanging and aligning of the fabricated shear wall according to claim 3, wherein the construction process comprises the following steps of: and in the seventh step, the inner side of the right angle of the strip-shaped angle steel is contacted with the upper shear wall, the temporary guide device is placed on the lower shear wall, an operator stands on the temporary guide device through a pedal to keep stable, and at the moment, two steel pipes in the positioning device are adjusted to take out the positioning devices on two opposite angles.
5. The construction process for vertically reserving reinforcing steel bar hanging and aligning of the fabricated shear wall according to claim 3, wherein the construction process comprises the following steps of: in the eighth step, when continuing to downwards install upper portion shear force wall, whether have to rock or control the skew when detecting upper portion shear force wall whereabouts through the level pipe, correct the shear force wall in time, guarantee its accurate whereabouts.
6. The construction process for vertically reserving reinforcing steel bar hanging and aligning of the fabricated shear wall according to claim 3, wherein the construction process comprises the following steps of: one end of the strip angle steel, which is positioned on the lower shear wall, is provided with a supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210852823.1A CN115262998B (en) | 2022-07-19 | 2022-07-19 | Construction process for vertically reserving steel bar hanging alignment of assembled shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210852823.1A CN115262998B (en) | 2022-07-19 | 2022-07-19 | Construction process for vertically reserving steel bar hanging alignment of assembled shear wall |
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| Publication Number | Publication Date |
|---|---|
| CN115262998A CN115262998A (en) | 2022-11-01 |
| CN115262998B true CN115262998B (en) | 2023-11-03 |
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| CN202210852823.1A Active CN115262998B (en) | 2022-07-19 | 2022-07-19 | Construction process for vertically reserving steel bar hanging alignment of assembled shear wall |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999060898A1 (en) * | 1998-05-27 | 1999-12-02 | Abernathy Henry H Jr | Adjustable wall hanging device |
| US6263628B1 (en) * | 1999-04-21 | 2001-07-24 | John Griffin G. E. Steel Company | Load bearing building component and wall assembly method |
| CN107476582A (en) * | 2017-08-08 | 2017-12-15 | 袁奥 | A kind of prefabricated components installation auxiliary equipment and the method installed using the equipment |
| CN108385876A (en) * | 2018-02-12 | 2018-08-10 | 刘振华 | Whole pour of prefabricated assembled shear wall builds technique soon |
| CN108952014A (en) * | 2018-07-09 | 2018-12-07 | 上海宝冶集团有限公司 | A kind of shear force wall reinforcing steel bar positioning device |
| CN212200879U (en) * | 2020-03-19 | 2020-12-22 | 云南工商学院 | Connect reliable prefabricated assembled shear force wall |
| CN212406155U (en) * | 2020-05-21 | 2021-01-26 | 南京工程学院 | Vertical correction of hoist and mount prefabricated assembled reinforced concrete structure is to telescopic link of counterpointing |
| CN113047472A (en) * | 2021-04-25 | 2021-06-29 | 青岛腾远设计事务所有限公司 | Vertical wet method connecting structure of assembled concrete shear wall and construction method thereof |
| CN215716254U (en) * | 2021-09-07 | 2022-02-01 | 华侨大学 | Grouting joint bar compaction grouting sleeve precast concrete wall |
| KR102371555B1 (en) * | 2021-05-14 | 2022-03-07 | 동서 피, 씨, 씨 주식회사 | Hollow core slab joint wall construction structure and construction method thereof |
-
2022
- 2022-07-19 CN CN202210852823.1A patent/CN115262998B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999060898A1 (en) * | 1998-05-27 | 1999-12-02 | Abernathy Henry H Jr | Adjustable wall hanging device |
| US6263628B1 (en) * | 1999-04-21 | 2001-07-24 | John Griffin G. E. Steel Company | Load bearing building component and wall assembly method |
| CN107476582A (en) * | 2017-08-08 | 2017-12-15 | 袁奥 | A kind of prefabricated components installation auxiliary equipment and the method installed using the equipment |
| CN108385876A (en) * | 2018-02-12 | 2018-08-10 | 刘振华 | Whole pour of prefabricated assembled shear wall builds technique soon |
| CN108952014A (en) * | 2018-07-09 | 2018-12-07 | 上海宝冶集团有限公司 | A kind of shear force wall reinforcing steel bar positioning device |
| CN212200879U (en) * | 2020-03-19 | 2020-12-22 | 云南工商学院 | Connect reliable prefabricated assembled shear force wall |
| CN212406155U (en) * | 2020-05-21 | 2021-01-26 | 南京工程学院 | Vertical correction of hoist and mount prefabricated assembled reinforced concrete structure is to telescopic link of counterpointing |
| CN113047472A (en) * | 2021-04-25 | 2021-06-29 | 青岛腾远设计事务所有限公司 | Vertical wet method connecting structure of assembled concrete shear wall and construction method thereof |
| KR102371555B1 (en) * | 2021-05-14 | 2022-03-07 | 동서 피, 씨, 씨 주식회사 | Hollow core slab joint wall construction structure and construction method thereof |
| CN215716254U (en) * | 2021-09-07 | 2022-02-01 | 华侨大学 | Grouting joint bar compaction grouting sleeve precast concrete wall |
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| Publication number | Publication date |
|---|---|
| CN115262998A (en) | 2022-11-01 |
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