CN113309349A - Reinforcing device for root template of shear wall and construction method - Google Patents
Reinforcing device for root template of shear wall and construction method Download PDFInfo
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- CN113309349A CN113309349A CN202110685631.1A CN202110685631A CN113309349A CN 113309349 A CN113309349 A CN 113309349A CN 202110685631 A CN202110685631 A CN 202110685631A CN 113309349 A CN113309349 A CN 113309349A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000009415 formwork Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012805 post-processing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
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- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/064—Spacers placed on the bottom of the mould
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Abstract
A reinforcing device for a shear wall root template and a construction method comprise the following steps: the embedded assembly is arranged in a manner that the transverse frame is arranged in the thickness of the lower shear wall, part of the embedded assembly is completely embedded in the floor layer above the lower shear wall, and the rest of the embedded assembly is sequentially embedded in the lower shear wall, the floor layer and the upper shear wall from bottom to top along the height direction of the lower shear wall; and a group of wedges which are arranged in an aligned mode transversely cross along the length direction of the upper shear wall on the embedded assembly, and the wedges are preset in the floor slab layer along the height part of the wedges, so that a group of continuous grooves are formed on the upper end surface of the floor slab layer and close to the root of the upper shear wall when the concrete floor slab layer is poured, and a template for enclosing the upper shear wall is conveniently and fixedly placed. The invention has simple structure, low manufacturing cost and convenient use, can further improve the reinforcing force of the root template of the upper layer shear wall while improving the wall body strength of the lower layer shear wall, the floor layer and the upper layer shear wall, reduces the labor cost of post-processing and shortens the construction period.
Description
Technical Field
The invention belongs to the technical field of building construction auxiliary equipment, and particularly relates to a reinforcing device for a shear wall root template and a construction method.
Background
In building construction engineering, after concrete pouring is completed and form removal is completed, the quality common faults generated at the root of a shear wall are more, for example: the bad appearance quality of the concrete caused by root rot and wave shape of the root, and the common quality of the part is not easy to repair, and the repair costs large manpower and material resources. The reason for this is that the reinforcing of the formwork at the root of the shear wall is not in place.
In general, a construction site adopts split bolts as a shear wall reinforcing mode, but the method is limited by site construction conditions, the wall penetrating bolts at the bottommost layer are far away from the root, generally about 250mm, and the reinforcing effect is not ideal; secondly, the rigidity of the template and the battens is low, the root part of the shear wall is easy to expand in the concrete pouring process, the distance between the battens is large, the template in the gap is easy to deform, and the concrete is wavy.
Disclosure of Invention
The invention provides a reinforcing device for a shear wall root template and a construction method, and solves the technical problem that cracks are easy to appear at the root of a shear wall in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a formwork reinforcement device for a shear wall root, comprising:
the embedded assembly is arranged in the thickness of the lower shear wall in a cross frame mode, part of the embedded assembly is completely embedded in a floor layer arranged above the lower shear wall, and the rest of the embedded assembly is sequentially embedded in the lower shear wall, the floor layer and an upper shear wall which is coaxially connected with the lower shear wall and is positioned above the floor layer from bottom to top along the height direction of the lower shear wall;
and a group of wedges which are arranged in an aligned mode transversely cross along the length direction of the upper shear wall on the embedded assembly, and the wedges are preset in the floor slab layer along the height part of the wedges, so that a group of continuous grooves are formed on the upper end surface of the floor slab layer and close to the wall root of the upper shear wall when the floor slab layer is poured with concrete, and a template for enclosing the upper shear wall is conveniently and fixedly placed.
Furthermore, the embedded assembly comprises a plurality of cross rods arranged at intervals along the length direction of the lower shear wall;
each cross rod is at least provided with a group of positioning rods which are arranged in an alignment way and are in cross connection with the cross rod;
all the positioning rods penetrate through the floor layer and are connected with the lower-layer shear wall and the upper-layer shear wall;
the wedge blocks are arranged at the cross connection positions of the cross rods and the positioning rods and are externally arranged at the root parts of the upper-layer shear walls.
Furthermore, each cross rod is suspended in the floor slab layer and horizontally arranged; the cross bar is arranged close to one side of the upper end surface of the floor layer;
preferably, the distance from the cross bar to the upper end surface of the floor layer is less than the height of the cross section of the wedge block.
Further, the length of the cross rod is larger than the width of the formworks which are arranged on two sides of the lower-layer shear wall in a surrounding mode and smaller than the width between the batten layers which are arranged outside the formworks on two sides of the lower-layer shear wall in a surrounding mode;
preferably, the length of the cross bar is 200mm wider than the thickness of the lower shear wall.
Further, the wedge block is a steel pipe with a square structure; the depth of the groove is 1/2-3/4 of the cross-sectional height of the wedge.
Furthermore, all the locating levers all are perpendicular to the horizontal pole and all run through in floor layer sets up.
Further, the distance between two adjacent positioning rods connected with each transverse rod is the same as the thickness of the lower-layer shear wall.
The support is arranged at two ends of each cross rod and used for supporting the cross rods to be suspended; the bracket is arranged at a position of one side of the positioning rod, which is far away from the lower shear wall.
Further, all the cross rods and the supports are embedded in the floor slab layer between the lower shear wall and the upper shear wall;
preferably, the bracket is of a V-shaped structure, and an opening of the bracket is arranged towards one side of the lower shear wall.
A construction method for reinforcing a shear wall root template adopts the reinforcing device, and comprises the following steps:
s1, selecting N groups of cross rods with the same structure, 2N groups of positioning rods with the same structure and supports with V-shaped structures, so that a group of positioning rods which are arranged in an aligned mode and fixedly and crossly connected with the cross rods are vertically arranged on each cross rod, two ends of each cross rod are fixedly arranged on a group of supports, N groups of embedded assemblies are integrally arranged, and the heights of all the cross rods in each embedded assembly are consistent with the heights of all the positioning rods;
s2, arranging the embedded components at intervals along the length direction of the lower-layer shear wall, clamping the lower end part of the positioning rod in each embedded component into the lower-layer shear wall, and enabling the width between the positioning rods to be the same as the thickness of the lower-layer shear wall;
s3, arranging two groups of wedges which are continuously arranged at the crossing position of the cross rod and the positioning rod along the length direction of the upper layer shear wall, and enabling the wedges to be tightly attached to the positioning rod at the position far away from one side of the lower layer shear wall to form the reinforcing device;
s4, pouring concrete into the reinforcing device to form the floor layer, embedding all the cross rods and all the supports in the floor layer, vertically arranging the upper end parts of all the positioning rods to protrude out of the upper end surface of the floor layer, and arranging the wedge blocks in the upper end surface of the floor layer in a partial thickness manner;
s5, taking out the wedges and forming two groups of grooves arranged along the length direction of the upper layer of shear wall;
s6, erecting the reinforcing mesh and the formwork of the upper-layer shear wall, connecting the suspended sections of the positioning rods with the reinforcing mesh of the upper-layer shear wall, and arranging the lower end face of the formwork in the upper-layer shear wall in the groove;
s7, arranging a batten layer outside each of the two side formworks in the upper shear wall, and enclosing and fixing the batten layers and the steel pipes through bolts;
s8, pouring concrete and forming the upper shear wall, disassembling the batten layer and the template, and cleaning sundries in the groove;
s9, plugging the groove by adopting waterproof mortar mixed with micro expansion;
and S10, repeating the steps S1-S9, and then constructing the next layer of shear wall.
The reinforcing device for the shear wall root template and the construction method can effectively solve the quality problems of root rot, mold expansion, wavy concrete and the like of the shear wall root, and has the advantages of simple structure, low manufacturing cost and convenience in use.
Through horizontal pole and support pre-buried completely last, in the floor layer between the shear force wall of lower floor, and the dead lever places lower floor's shear force wall in from the bottom up in proper order, floor layer and upper shear force wall, reinforce the intensity of shear force wall, and form a recess that is used for placing the template at the shear force wall root, and bury the recess in follow-up, when improving the wall body strength of lower floor's shear force wall, floor layer and upper shear force wall, still can further improve the reinforcing power of upper shear force wall root template, the cost of labor of post processing has been reduced, the reduction of erection time.
Drawings
FIG. 1 is a perspective view of a reinforcement device in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a reinforcement device in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural view of a reinforcing apparatus according to an embodiment of the present invention pre-embedded in an underlying shear wall;
fig. 4 is a schematic structural diagram of the reinforcing device and the upper shear wall formwork in cooperation according to an embodiment of the invention.
In the figure:
10. pre-buried subassembly 11, horizontal pole 12, locating lever
13. Support 20, wedge 30, lower floor shear wall
40. Upper shear wall 50, floor layer 60 and template
70. Wood floor
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
The present embodiment proposes a reinforcing apparatus for a shear wall root form, as shown in fig. 1 to 4, including:
the embedded assembly 10 is transversely arranged in the thickness direction of the lower shear wall 30, part of the embedded assembly 10 is completely embedded in the floor layer 50 above the lower shear wall 30, and the rest of the embedded assembly 10 is sequentially embedded in the lower shear wall 30, the floor layer 50 and the upper shear wall 40 which is coaxially connected with the lower shear wall 30 and is positioned above the floor layer 50 from bottom to top along the height direction of the lower shear wall 30;
wherein, a group of wedges 20 which are arranged in a contraposition mode transversely cross along the length direction of the upper layer shear wall 40 on the embedded component 10, and the group of wedges 20 are partially pre-arranged in the floor layer 50 along the height direction thereof, so that a group of continuous grooves are formed on the upper end surface of the floor layer 50 and the wall root position close to the upper layer shear wall 40 when the concrete floor layer 50 is poured, and an upper layer template 80 which encloses the upper layer shear wall 30 is conveniently and fixedly arranged.
As shown in fig. 1 and 3, the embedded assembly 10 includes a plurality of cross bars 11 uniformly spaced along the length direction of the lower shear wall 30, each cross bar 11 is supported by two brackets 13 at two ends thereof, so that the cross bars 11 are suspended in the floor layer 50 and horizontally disposed, and fixed in the floor layer 50 and connected with the embedded reinforcing bar meshes in the floor layer 50 through steel wires, and each cross bar 11 is disposed across the thickness direction of the lower shear wall 30 and the brackets 13 are respectively disposed at two sides of the lower shear wall 30 in an aligned manner. The distance from the cross bar 11 to the upper end surface of the floor slab 50 is smaller than the height of the cross section of the wedges 20, so that the wedges 20 are arranged in a protruding manner relative to the upper end surface of the floor slab 50, and after the concrete of the floor slab 50 is poured, the wedges 20 are taken out, so that a group of grooves which are arranged in an aligned manner and are convenient for the insertion of the upper formwork 60 arranged outside the upper shear wall 40 are formed at the outer root of the upper shear wall 30, and the reinforcing strength of the formwork 60 arranged outside the upper shear wall 40 is improved, preferably, the width of the cross section of the wedges 20, namely the width of the grooves, is matched with the thickness of the formwork 60.
Meanwhile, in order to improve the overall stability of the reinforcing device, the length of the cross rod 11 is required to be greater than the width of the lower formworks 60 surrounding the two sides of the lower shear wall 30 and less than the width between the lower batten layers 70 outside the lower formworks 60 arranged on the two sides of the lower shear wall 30; preferably, the length of the cross bar 11 is 200mm wider than the thickness of the lower layer shear wall 30, that is, the length of the cross bar 11 is 200mm added on the basis of the thickness of the lower layer shear wall 30, the distance between the cross bars 11 placed along the length of the lower layer shear wall 30 is 1500mm, and the cross bar 11 is made of a steel bar with a diameter of 16. The crossbar 11 is disposed adjacent to one side of the upper end of the floor layer 50 for facilitating the location of the wedges 20, such that the wedges 20 facilitate the formation of a groove on the upper end of the floor layer 50 for facilitating the placement of the upper form 40.
The wedges 20 are steel pipes with square structures, the width multiplied by the height of each square steel pipe is 20mm multiplied by 30mm, and the wedges 20 are fixed at the outer side angles of the joints of the cross rods 11 and the positioning rods 12 through binding steel wires. The depth of the grooves is 1/2-3/4 of the cross-sectional height of the wedges 20, which allows for easy removal of the wedges 20 from the floor level 50 while maintaining the depth of the grooves.
Each cross rod 11 is at least provided with a group of positioning rods 12 which are arranged in an aligned mode and are in cross connection with the cross rod 11, and all the positioning rods 12 penetrate through the floor layer 50 and are connected with the lower-layer shear wall 30 and the upper-layer shear wall 40; a set of wedges 20 are arranged in series at the intersection of the cross bar 11 and the positioning rod 12 and are externally arranged at the root of the upper layer shear wall 40. All locating rods 12 are perpendicular to the cross rods 11 and all penetrate through the floor layer 50, and the distance between two adjacent locating rods 12 connected with each cross rod 11 is the same as the thickness of the lower shear wall 30. Wherein, the locating lever 12 all is connected with horizontal pole 11 through the welding, and it also adopts 16 reinforcing bars of phi, and the length of locating lever 12 increases 100mm on the basis of the thickness of concrete floor layer 50, and the degree of depth that places lower floor's shear force wall 30 in locating lever 12 and upper shear force wall 40 in is the same, and it is 50mm that the height that locating lever 12 all gos deep into lower floor's shear force wall 30 and upper shear force wall 40 promptly.
As shown in fig. 2, the brackets 13 disposed at both ends of each cross bar 11 and used for supporting the cross bar 11 in a suspended manner are V-shaped structures, which are formed by welding two steel bars of phi 16, and the brackets 13 are welded to the cross bars 11 to improve the overall stability thereof; the support 13 is arranged at a position where the positioning rod 12 is far away from one side of the lower shear wall 30, the height of the support 13 is matched with the height of the upper-layer steel bar of the concrete floor layer 50, and the horizontal distance between the support 13 and the positioning rod 12 on the side where the support 13 is located is 100 mm. Preferably, the bracket 13 is a V-shaped structure, and the opening of the V-shaped structure is arranged towards one side of the lower layer shear wall 30, so as to improve the stability of the overall placement of the reinforcing device.
In this embodiment, the outer sides of all the lower shear walls 30 and the upper shear walls 40 are respectively and sequentially provided with a formwork 60 and a batten layer 70, and the formwork and the batten layer are respectively surrounded and fixed by a scaffold composed of bolts and steel pipes. The formwork 60 and the batten layer 70 used for the lower layer shear wall 30 and the upper layer shear wall 40 have the same structure, which is a structure commonly used in the art and is omitted here.
During the pouring of the concrete of the floor layer 50, all the crossbars 11 and the supports 13 are embedded in the floor layer 50; the lower end of the positioning rod 12 is arranged in the lower layer shear wall 30, the middle part is completely arranged in the floor layer 50, and the upper end is arranged in the upper layer shear wall 40; and the wedges 20 are partially built into the upper end surface of the floor layer 50 to facilitate removal of the grooves that form the upper form 60 for securing the upper shear wall 30. The reinforcing device is reinforced together with the reinforcing mesh in the floor layer 50 and is poured by concrete to form a whole, so that the strength of the floor layer 50 is improved, and meanwhile, the reinforcing device is also integrally arranged with the upper shear wall 40 and the lower shear wall 30 respectively, so that the integrity of the section sizes of the end parts of the upper shear wall 40 and the lower shear wall 30 is guaranteed, the wall strength of the floor layer 50, the upper shear wall 40 and the lower shear wall 30 is enhanced, and the strength of the upper template 60 can be further reinforced.
A construction method for reinforcing a formwork at the root part of a shear wall, as shown in fig. 3-4, by using the reinforcing device, the method comprises the following steps:
s1, select N group ' S the same horizontal pole 11 of structure, 2N group the same locating lever 12 of structure and 2N group the same V type structure ' S of structure support 13, so that vertically set up a set of counterpoint setting and with horizontal pole 11 fixed cross connection ' S locating lever 12 on every horizontal pole 11, and all set firmly in a set of support 13 at horizontal pole 11 both ends, in order to form the pre-buried subassembly 10 of N group integrative setting, and make all horizontal poles 11 in every pre-buried subassembly 10 highly all unanimous with all locating levers 12. In the process, the lower end of the positioning rod 12 is integrally solidified with the lower shear wall 30 in advance, so that the integrity of the section size of the end of the lower shear wall 30 is ensured, and the function of fixing the embedded device is achieved, and then the embedded device is bound in the reinforcing mesh on the floor layer 50.
And S2, arranging the embedded components 10 at intervals of 1500mm uniformly along the length direction of the lower-layer shear wall 30, clamping the lower end parts of the positioning rods 12 in each embedded component 10 into the lower-layer shear wall 30, and enabling the width between the positioning rods 12 to be the same as the thickness of the lower-layer shear wall 30.
And S3, arranging two groups of wedges 20 continuously along the length direction of the upper-layer shear wall 40 at the intersection position of the cross bar 11 and the positioning bar 12, and enabling the wedges 20 to be tightly attached to one side position of the positioning bar 12 far away from the lower-layer shear wall 30 to form the reinforcing device.
S4, pouring concrete in the reinforcing device and forming the floor layer 50, and embedding all the crossbars 11 and all the brackets 13 in the floor layer 50, with the upper end portions of all the positioning rods 12 protruding above the upper end face of the floor layer 50 and all the wedges 20 being embedded in the upper end face of the floor layer 50 along the thickness portion thereof.
And S5, taking out the wedges 20 and forming two groups of grooves arranged along the length direction of the upper layer of shear wall 40.
And S6, erecting the reinforcing mesh of the upper shear wall 30 and the upper formwork 60, connecting the suspended sections of all the positioning rods 12 with the reinforcing mesh of the upper shear wall 40, and placing the lower end face of the upper formwork 60 in the upper shear wall 40 in the groove. After the upper layer template 60 is placed in the groove, the positioning rod 12 arranged in the upper layer shear wall 40 can also play a role in fixing the upper layer template 60.
And S7, arranging a layer of upper batten layer 70 outside the upper formworks 60 on two sides in the upper shear wall 40 respectively, and enclosing and fixing the battens through bolts and steel pipes.
And S8, pouring concrete on the reinforcing steel bar net provided with the fixing device to form the upper shear wall 40, disassembling the upper batten layer 70 and the upper formwork 60, and cleaning impurities in the grooves.
And S9, plugging the groove by adopting the waterproof mortar mixed with micro expansion.
And S10, repeating the steps S1-S9, and then constructing the next layer of shear wall.
1. The reinforcing device for the shear wall root template and the construction method can effectively solve the quality problems of root rot, mold expansion, wavy concrete and the like of the shear wall root, and is simple in structure, low in manufacturing cost and convenient to use.
2. Through horizontal pole and support pre-buried completely last, in the floor layer between the shear force wall of lower floor, and the dead lever places lower floor's shear force wall in from the bottom up in proper order, floor layer and upper shear force wall, reinforce the intensity of shear force wall, and form a recess that is used for placing the template at the shear force wall root, and bury the recess in follow-up, when improving the wall body strength of lower floor's shear force wall, floor layer and upper shear force wall, still can further improve the reinforcing power of upper shear force wall root template, the cost of labor of post processing has been reduced, the reduction of erection time.
The embodiments of the present invention have been described in detail, and the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a be used for shear wall root template reinforcing apparatus which characterized in that includes:
the embedded assembly is arranged in the thickness of the lower shear wall in a cross frame mode, part of the embedded assembly is completely embedded in a floor layer arranged above the lower shear wall, and the rest of the embedded assembly is sequentially embedded in the lower shear wall, the floor layer and an upper shear wall which is coaxially connected with the lower shear wall and is positioned above the floor layer from bottom to top along the height direction of the lower shear wall;
and a group of wedges which are arranged in an aligned mode transversely cross along the length direction of the upper shear wall on the embedded assembly, and the wedges are preset in the floor slab layer along the height part of the wedges, so that a group of continuous grooves are formed on the upper end surface of the floor slab layer and close to the wall root of the upper shear wall when the floor slab layer is poured with concrete, and a template for enclosing the upper shear wall is conveniently and fixedly placed.
2. The reinforcing device for the shear wall root template as claimed in claim 1, wherein the embedded assembly comprises a plurality of cross rods arranged at intervals along the length direction of the lower shear wall;
each cross rod is at least provided with a group of positioning rods which are arranged in an alignment way and are in cross connection with the cross rod;
all the positioning rods penetrate through the floor layer and are connected with the lower-layer shear wall and the upper-layer shear wall;
the wedge blocks are arranged at the cross connection positions of the cross rods and the positioning rods and are externally arranged at the root parts of the upper-layer shear walls.
3. The shear wall root form reinforcement device of claim 2, wherein each cross bar is suspended and horizontally arranged in the floor layer; the cross bar is arranged close to one side of the upper end surface of the floor layer;
preferably, the distance from the cross bar to the upper end surface of the floor layer is less than the height of the cross section of the wedge block.
4. The shear wall root formwork reinforcing device according to claim 2 or 3, wherein the length of the cross rod is larger than the width of the formwork surrounding the two sides of the lower shear wall and smaller than the width between the batten layers outside the formworks on the two sides of the lower shear wall;
preferably, the length of the cross bar is 200mm wider than the thickness of the lower shear wall.
5. The reinforcing device for the shear wall root template as claimed in claim 4, wherein the wedges are steel pipes with square structures; the depth of the groove is 1/2-3/4 of the cross-sectional height of the wedge.
6. The shear wall root form reinforcement device of any one of claims 2-3, 5, wherein all of the positioning rods are perpendicular to the cross rods and are arranged to penetrate through the floor layer.
7. The shear wall root form reinforcing device according to claim 6, wherein the distance between two adjacent positioning rods connected with each cross rod is equal to the thickness of the lower shear wall.
8. The shear wall root formwork reinforcing device according to any one of claims 2 to 3, 5 and 7, further comprising brackets which are arranged at two ends of each cross rod and used for supporting the cross rods in a suspended manner; the bracket is arranged at a position of one side of the positioning rod, which is far away from the lower shear wall.
9. The shear wall root form reinforcement device of claim 8, wherein all of the cross bars and the brackets are embedded in the floor slab between the lower shear wall and the upper shear wall;
preferably, the bracket is of a V-shaped structure, and an opening of the bracket is arranged towards one side of the lower shear wall.
10. A construction method for reinforcing a root form of a shear wall, using the reinforcing apparatus of any one of claims 1 to 9, comprising the steps of:
s1, selecting N groups of cross rods with the same structure, 2N groups of positioning rods with the same structure and supports with V-shaped structures, so that a group of positioning rods which are arranged in an aligned mode and fixedly and crossly connected with the cross rods are vertically arranged on each cross rod, two ends of each cross rod are fixedly arranged on a group of supports, N groups of embedded assemblies are integrally arranged, and the heights of all the cross rods in each embedded assembly are consistent with the heights of all the positioning rods;
s2, arranging the embedded components at intervals along the length direction of the lower-layer shear wall, clamping the lower end part of the positioning rod in each embedded component into the lower-layer shear wall, and enabling the width between the positioning rods to be the same as the thickness of the lower-layer shear wall;
s3, arranging two groups of wedges which are continuously arranged at the crossing position of the cross rod and the positioning rod along the length direction of the upper layer shear wall, and enabling the wedges to be tightly attached to the positioning rod at the position far away from one side of the lower layer shear wall to form the reinforcing device;
s4, pouring concrete into the reinforcing device to form the floor layer, embedding all the cross rods and all the supports in the floor layer, vertically arranging the upper end parts of all the positioning rods to protrude out of the upper end surface of the floor layer, and arranging the wedge blocks in the upper end surface of the floor layer in a partial thickness manner;
s5, taking out the wedges and forming two groups of grooves arranged along the length direction of the upper layer of shear wall;
s6, erecting the reinforcing mesh and the formwork of the upper-layer shear wall, connecting the suspended sections of the positioning rods with the reinforcing mesh of the upper-layer shear wall, and arranging the lower end face of the formwork in the upper-layer shear wall in the groove;
s7, arranging a batten layer outside each of the two side formworks in the upper shear wall, and enclosing and fixing the batten layers and the steel pipes through bolts;
s8, pouring concrete and forming the upper shear wall, disassembling the batten layer and the template, and cleaning sundries in the groove;
s9, plugging the groove by adopting waterproof mortar mixed with micro expansion;
and S10, repeating the steps S1-S9, and then constructing the next layer of shear wall.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114776005A (en) * | 2022-04-27 | 2022-07-22 | 中国二十二冶集团有限公司 | Construction method for avoiding deviation of shear wall column of main body of residential engineering |
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