CN211286754U - Opposite-pulling type steel plate shear wall reinforcing construction structure - Google Patents
Opposite-pulling type steel plate shear wall reinforcing construction structure Download PDFInfo
- Publication number
- CN211286754U CN211286754U CN201920392402.9U CN201920392402U CN211286754U CN 211286754 U CN211286754 U CN 211286754U CN 201920392402 U CN201920392402 U CN 201920392402U CN 211286754 U CN211286754 U CN 211286754U
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- Prior art keywords
- steel sheet
- wall
- shear force
- steel plate
- force wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 69
- 239000010959 steel Substances 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 229920006332 epoxy adhesive Polymers 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000009435 building construction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 12
- 229910000746 Structural steel Inorganic materials 0.000 description 8
- 239000004567 concrete Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model provides a to drawing formula steel sheet shear force wall reinforcement construction structure, the one deck steel sheet is laid to the surface of shear force wall, sealing weld between the steel sheet, and the coating has modified epoxy adhesive between steel sheet and the shear force wall, and the shear force distributes on the wall and is provided with the split bolt, runs through wall body and steel sheet to the width direction of split bolt along the shear force wall, and the steel sheet of the relative both sides of shear force wall is through the tensioning fixed of split bolt. The method aims to solve the problems of complex process, long construction period and the like of a traditional construction section enlarging reinforcing method or a steel plate pasting reinforcing method. Belongs to the technical field of building construction.
Description
Technical Field
The utility model relates to a to drawing formula steel sheet shear force wall reinforcement construction structures belongs to construction technical field.
Background
According to the national mandatory standard requirement, the concrete structure detection must be qualified, for detecting the wall column which does not meet the bearing capacity requirement, the structure reinforcement is needed to be carried out on the corresponding structural member structure, the traditional construction section enlarging reinforcement method or the pasting steel plate reinforcement method has the advantages of complex process and long construction period, the section enlarging reinforcement method needs to be reinforced to detect the unqualified layer from the foundation, the indoor effective use area is seriously reduced, and the maximum service life of the pasting steel plate reinforcement method is short and is only 30 years.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a to drawing formula steel sheet shear force wall reinforcement construction structure to solve the problem that above-mentioned prior art exists.
In order to solve the problems, the opposite-pull type steel plate shear wall reinforcing construction structure is supposed to be adopted, a layer of steel plate is laid on the outer surface of the shear wall, the steel plates are welded in a sealing mode, a modified epoxy resin adhesive is coated between the steel plates and the shear wall, opposite-pull bolts are distributed on the shear wall and penetrate through the wall body and the steel plates along the width direction of the shear wall, and the steel plates on the two opposite sides of the shear wall are tensioned and fixed through the opposite-pull bolts.
In the shear wall reinforcing construction structure, batten plates are welded and fixed on the outer sides of the steel plates, the batten plates are arranged transversely, and the batten plates are distributed along the height direction of the shear wall;
in the shear wall reinforcing construction structure, the split bolts are uniformly distributed on the shear wall at equal intervals.
The concrete method for the reinforcement construction of the split steel plate shear wall comprises the following steps:
firstly, chiseling a flour brushing layer and a loose layer on the surface of the original shear wall until a solid base layer is completely exposed, flattening the convex surface of a column surface with a convex-concave large surface by using a hand hammer, flattening the concave part by using cement mortar, grinding a corner into a fillet, and brushing and blowing off dust on the surface by using a steel wire brush and a blower; polishing by an angle grinder to remove rust and dirt on the surface of the steel plate to expose metallic luster, and wiping by cotton yarn before pasting; paying off and positioning according to the reinforcement design part, and accurately marking the contour line of the pasting part and the arrangement position of the batten plate on the concrete surface; firstly, the steel piece is made into the size specification required by the design, the steel plate and the shear wall are drilled in a positioning mode, then the modified epoxy resin adhesive is poured into the reserved grouting hole, the steel plate and the shear wall are connected in a reinforcing mode through the split bolt, good bonding between the steel plate wrapped outside and the joint surface of the shear wall is guaranteed, and the new part and the old part of the reinforcing structure can work integrally and cooperatively.
Compared with the prior art, the four-layer shear wall reinforcement adopted by the utility model is subjected to surface treatment, only four layers of shear wall reinforcement are needed, and the reinforcement from the foundation to 4 layers is not needed, so that the construction period is greatly shortened, the residential use area is reduced, and other floors are not influenced; the shear wall reinforcement is positioned according to the paying-off of a reinforcement design part, and the contour line of a pasting part and the arrangement position of a batten plate are accurately marked on the surface of concrete; positioning and drilling the steel plate and the shear wall to ensure that the structure is reinforced uniformly; the steel-coated grouting liquid adopts a modified epoxy resin adhesive, so that excellent adhesion is ensured; the reinforcing steel part and the shear wall are connected in a reinforcing mode through split bolts, good bonding between the outer steel plate and a member joint surface is guaranteed, and the new part and the old part of the reinforcing structure can work integrally in a cooperative mode; the structural stability is good, the service life is long, and the subsequent service life of the reinforcement design meets the requirement of 50 years of the structure; the surface of the steel member is coated with the steel member for anticorrosion and fireproof treatment, the surface of the steel member is polished, rust, dirt and the like on the surface of the steel member are removed, so that the surface of the steel member has no visible attachments such as grease, dirt, oxide skin, iron rust and the like, and then the surface of the steel member is coated with antirust paint or protective layers such as cement mortar and mineral wool mortar with the thickness of not less than 25mm, so that the fireproof safety of the structure is effectively ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below.
Example (b):
referring to the attached drawing 1, the embodiment provides a split steel plate shear wall reinforcing construction structure, one deck steel sheet 2 is laid to the surface of shear force wall 1, steel sheet 2 adopts Q345 steel, seal welding between the steel sheet 2, and the coating has modified epoxy adhesive 5 between steel sheet 2 and the shear force wall 1, equidistant evenly distributed is provided with split bolt 4 on the shear force wall 1, split bolt 4 is M12 split bolt, split bolt 4 runs through wall body and steel sheet 2 along the width direction of shear force wall 1, and the steel sheet 2 of the relative both sides of shear force wall 1 is taut fixed through split bolt 4, the outside welded fastening of steel sheet 2 has lacing plate 3, lacing plate 3 all sets up along horizontal, and lacing plate 3 distributes along the direction of height of shear force wall 1.
The concrete method for the reinforcement construction of the split steel plate shear wall comprises the following steps:
firstly, chiseling a surface painting layer and a loose layer of an original shear wall 1 until a solid base layer is completely exposed, flattening a convex surface of a column surface with a convex-concave large surface by using a hand hammer, flattening a concave part by using high-grade cement mortar, grinding a corner part into a fillet, and brushing and blowing off surface dust by using a steel wire brush and a blower; polishing by using an angle grinder to remove rust and dirt on the surface of the steel plate 2 to expose metallic luster, and wiping the surface by using cotton yarn before pasting; paying off and positioning according to the reinforcement design part, and accurately marking the contour line of the pasting part and the arrangement position of the batten plate 3 on the concrete surface; firstly, steel parts are manufactured into the size specification required by design, the steel plate 2 and the shear wall 1 are drilled in a positioning mode, then the modified epoxy resin adhesive 5 is poured into the reserved grouting hole, the steel plate 2 and the shear wall 1 are connected in a reinforcing mode through the split bolt 4, good bonding between the joint surfaces of the steel plate 2 and the shear wall 1 which are wrapped outside is guaranteed, and the new part and the old part of the reinforcing structure can work integrally in a cooperative mode.
The surface of the steel part wrapped by the steel should be subjected to anticorrosion and fireproof treatment, the minimum thickness of the steel part used by the steel plate wrapped by the steel plate should not be less than 5mm, the length of the angle iron limb wrapped outside the beam and the truss should not be less than 50mm, the length of the angle iron limb wrapped outside the column should not be less than 75mm, the middle part of the shear wall 1 is reinforced by the split bolt 4 and the steel plate 2, the corner or the structure junction is anchored by the angle steel and the bolt, and the two ends of the angle iron wrapped by the steel plate should be reliably anchored. For the column, the lower end of the angle iron extends to the top surface of the foundation, the angle iron is anchored on the foundation by a method of 'reinforced concrete surrounding sleeve + embedded bar', the middle of the angle iron penetrates through each floor slab, the upper end of the angle iron extends to the surface of the upper floor slab of the reinforcing layer, and the angle iron is sealed and welded by a reinforcing hoop plate.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (3)
1. The utility model provides a to drawing formula steel sheet shear force wall reinforcement construction structure which characterized in that: one deck steel sheet (2) are laid to the surface of shear force wall (1), sealing weld between steel sheet (2), and the coating has modified epoxy adhesive (5) between steel sheet (2) and shear force wall (1), it is provided with split bolt (4) to distribute on shear force wall (1), and split bolt (4) run through wall body and steel sheet (2) along the width direction of shear force wall (1), and steel sheet (2) of shear force wall (1) relative both sides are through split bolt (4) taut fixed.
2. The opposite-pulling type steel plate shear wall reinforcing construction structure according to claim 1, characterized in that: the outer side of the steel plate (2) is fixedly welded with the batten plates (3), the batten plates (3) are transversely arranged, and the batten plates (3) are distributed along the height direction of the shear wall (1).
3. The opposite-pulling type steel plate shear wall reinforcing construction structure according to claim 1, characterized in that: the split bolts (4) are uniformly distributed on the shear wall (1) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920392402.9U CN211286754U (en) | 2019-03-26 | 2019-03-26 | Opposite-pulling type steel plate shear wall reinforcing construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920392402.9U CN211286754U (en) | 2019-03-26 | 2019-03-26 | Opposite-pulling type steel plate shear wall reinforcing construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211286754U true CN211286754U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920392402.9U Expired - Fee Related CN211286754U (en) | 2019-03-26 | 2019-03-26 | Opposite-pulling type steel plate shear wall reinforcing construction structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN211286754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812046A (en) * | 2019-03-27 | 2019-05-28 | 中建四局第一建筑工程有限公司 | One kind is to pull-type steel plate shear force wall strengthening construction structure and method |
| CN109812047A (en) * | 2019-03-26 | 2019-05-28 | 中建四局第一建筑工程有限公司 | One kind is to pull-type steel plate shear force wall strengthening construction structure and method |
-
2019
- 2019-03-26 CN CN201920392402.9U patent/CN211286754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812047A (en) * | 2019-03-26 | 2019-05-28 | 中建四局第一建筑工程有限公司 | One kind is to pull-type steel plate shear force wall strengthening construction structure and method |
| CN109812046A (en) * | 2019-03-27 | 2019-05-28 | 中建四局第一建筑工程有限公司 | One kind is to pull-type steel plate shear force wall strengthening construction structure and method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |