CN214195056U - Prefabricated shear wall with assembling holes arranged in staggered mode reserved in assembling mode and assembling structure of prefabricated shear wall - Google Patents
Prefabricated shear wall with assembling holes arranged in staggered mode reserved in assembling mode and assembling structure of prefabricated shear wall Download PDFInfo
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- CN214195056U CN214195056U CN202021866234.1U CN202021866234U CN214195056U CN 214195056 U CN214195056 U CN 214195056U CN 202021866234 U CN202021866234 U CN 202021866234U CN 214195056 U CN214195056 U CN 214195056U
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Abstract
The utility model discloses an assembled reserves prefabricated shear wall and assembly structure who staggers range pilot hole, including the wall body, pre-buried in the wall body has not expose in the steel reinforcement framework of wall body to avoid steel reinforcement framework to set up the pilot hole of a plurality of vertical wall bodies that run through in the wall body, the pilot hole is arranged into two rows at least and adjacent pilot hole of arranging along the length direction of wall body and is staggered on the wall body horizontal. The utility model discloses a precast shear wall is by the reinforced concrete shear force wall and the steel reinforcement skeleton of mill's production all not expose, has not only reduced the space that precast shear wall took in the transportation, and the protection wall body is not destroyed, has simplified the hoist and mount operation of precast shear wall in the work progress moreover, has guaranteed the fail safe nature of construction simultaneously. The utility model discloses an insert the assembly connection of prefabricated shear force wall in lower floor and floor about the atress muscle is realized in the pilot hole, reduced the preparation and the installation degree of difficulty of prefabricated shear force wall, simplify the construction, the efficiency of construction is high, construction cost is low.
Description
Technical Field
The utility model belongs to assembled concrete building structure technique, in particular to prefabricated shear force wall that staggers and arrange the pilot hole is reserved to assembled, still relates to the assembly structure who contains this prefabricated shear force wall.
Background
The fabricated concrete structure is a concrete structure fabricated by prefabricated concrete members in a reliable connection manner. The building structure has the characteristics of convenient and quick construction, short construction period, cost saving and pollution waste reduction.
With the popularization of the fabricated building in China, in order to meet the evaluation requirement of the fabricated building more easily, more and more fabricated concrete building vertical main body structures also adopt prefabricated components. The vertical connection of the upper and lower prefabricated shear walls of the prefabricated component mainly adopts a sleeve grouting connection mode, the sleeve grouting connection refers to a steel bar connection technology that ribbed steel bars are inserted into a grouting sleeve with an inner cavity of a concave-convex surface, and the steel bars are anchored in the sleeve after the grouting material is solidified through pouring special high-strength cement-based grouting material into a gap between the sleeve and the steel bars. The technology is applied to prefabricated shear wall connection, specifically, sleeves are pre-embedded in concrete members, steel bars pre-embedded in an upper prefabricated shear wall and a lower prefabricated shear wall are inserted into the sleeves during assembly, and grouting materials are injected into the sleeves from the outside of the prefabricated members through grouting pipes on an installation site, so that the connection of the steel bars of the prefabricated shear walls is completed. However, this connection has the following disadvantages:
the novel steel bar joint structure has the advantages that some joint connection structures need the prefabricated parts to reserve steel bars with certain lengths based on anchoring length requirements, when connecting joint steel bars are dense, steel bars are difficult to avoid during hoisting of the parts, complete avoidance cannot be achieved sometimes, and moreover, certain difficulty is brought to manufacturing and transportation of the prefabricated parts due to the reserved long steel bars, so that construction speed is influenced.
The utility model has the advantages of two a sleeve location must be accurate, if there is the concrete to get into the sleeve before the sleeve grout and can influence the connection effect of grout and reinforcing bar, consequently need carry out the shutoff to all opening positions of sleeve before the grout, this has provided higher requirement to the preparation of precast column and installation accuracy, causes construction cost to increase.
And the butt joint and grouting operation procedures of the sleeve and the reinforcing steel bar are complicated, so that the construction is not convenient for site construction.
In addition, the technology for lap joint of the steel bar grout anchor constrained by the spiral stirrups also comprises a technology for lap joint of the steel bar grout anchor constrained by the spiral reinforcements around a grout anchor hole in a grout anchor lap joint mode, wherein the diameter of the reinforcement, the lap joint length of the reinforcement and the diameter, the hoop spacing and the hoop allocation rate of the spiral reinforcements are determined according to design requirements. However, the connection method has the following disadvantages:
the method has the advantages of low bearing capacity and small application range.
The length of the steel bar lap joint is too long, so that the using amount of the steel bars and the grouting material is large, the transportation difficulty and the construction hoisting difficulty are increased, and the construction progress is influenced.
And two connecting steel bars connected with the plug-in preformed hole in a grouting mode need to be lapped inside the spiral stirrup, so that the outer diameter of a peripheral spiral ring of the spiral stirrup is large, and the section size of a component is easily influenced.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a simple structure, with low costs, simplify the construction and safe and reliable, the prefabricated shear wall of arranging the pilot hole that staggers is reserved to the assembled of high, the environmental protection of efficiency of construction.
The first object of the present invention is achieved by the following technical measures: the utility model provides a prefabricated shear wall of staggered arrangement pilot hole is reserved to assembled, includes the wall body, its characterized in that pre-buried in the wall body has not exposed in the framework of steel reinforcement of wall body, and avoid the framework of steel reinforcement in the wall body to set up the pilot hole of a plurality of vertical through walls body, the pilot hole is arranged into at least two rows and the pilot hole of adjacent row along the length direction of wall body and is staggered on horizontal along the wall body.
The utility model discloses a precast shear wall is by the reinforced concrete shear force wall and the steel reinforcement skeleton of mill's production all not expose, has not only reduced the space that precast shear wall took in the transportation, and the protection wall body is not destroyed, has simplified the hoist and mount operation of precast shear wall in the work progress moreover, has guaranteed the fail safe nature of construction simultaneously. Additionally, the utility model discloses the pilot hole and adjacent pilot hole that have vertical through wall body stagger on wall body length direction, through the erection joint of inserting the atress muscle in the pilot hole and realizing lower floor precast shear wall and floor, with the current sleeve grout of adoption go on the lower floor indulge the muscle to refute and connect, thick liquid anchor connected mode compare, the utility model discloses reduce the preparation and the installation degree of difficulty of precast shear wall, simplify the construction, the efficiency of construction is high, construction cost is low. The utility model discloses prefabricated shear wall simple structure, easily manufacturing, low in manufacturing cost, the practicality is strong, is suitable for extensive popularization and use.
Reinforcement skeleton is a pair of and divides the both sides of locating the wall body, the pilot hole is located between two reinforcement skeletons, and every reinforcement skeleton mainly comprises horizontal distribution muscle and vertical distribution muscle, horizontal distribution muscle and vertical distribution muscle staggered arrangement form a plurality of cross section, horizontal distribution muscle and vertical distribution muscle are connected at this cross section, are equipped with the drawknot muscle on this cross section to reinforcement skeleton corresponding, through the drawknot muscle drawknot the cross section realizes two reinforcement skeleton's connection.
The pilot hole is the circular port, and the diameter is 60 ~ 80 mm.
A second object of the utility model is to provide an assembly structure who contains the prefabricated shear wall of the arrangement pilot hole that staggers is reserved to above-mentioned assembled.
The second object of the present invention is achieved by the following technical measures: the utility model provides an assembly structure that contains the prefabricated shear wall of the above-mentioned assembled reservation staggered arrangement pilot hole, includes floor, upper precast shear wall and lower floor's precast shear wall, form connection area, its characterized in that between upper precast shear wall, lower floor's precast shear wall and the floor: the assembly holes of the upper prefabricated shear wall and the lower prefabricated shear wall are respectively inserted with a stress rib, and the stress rib of one prefabricated shear wall penetrates through the connecting area and extends into the corresponding assembly hole of the other prefabricated shear wall to be lapped with the stress rib in the other prefabricated shear wall to mutually transmit force; and self-compacting fine stone concrete or grouting material is poured into the assembly holes, and the upper-layer prefabricated shear wall, the lower-layer prefabricated shear wall and the floor slab are connected through the connecting areas by the stress bars and the concrete or the slurry.
Prefabricated shear force wall's assembly structure has pour the concrete in the assembly hole, in the joining region and floor steel reinforcement framework, and upper strata, lower floor's prefabricated shear force wall and floor pass through the atress muscle and the concrete is connected.
The utility model discloses the firm safety of assembly structure, construction process is simple, and during the construction, successive layer assembly construction from bottom to top makes things convenient for the construction, has improved the efficiency of construction greatly, accomplishes the back at lower floor's prefabricated shear force wall assembly, and interim mount, interim support frame and the template that use in the detachable construction recycles, reduces the cost, and it is extravagant to reduce the pollution.
Preferably, the length of the stress rib of one prefabricated shear wall inserted into the assembling hole of the other prefabricated shear wall through the connecting area is greater than or equal to 500mm, and the requirement of anchoring is met.
The lower terminal surface of upper strata precast shear wall is the same with the up end size of lower floor's precast shear wall, the pilot hole on the terminal surface under the precast shear wall of upper strata and the pilot hole on the precast shear wall up end of lower floor are corresponding from top to bottom, and the vertical region of passing of the atress muscle of one of them precast shear wall passes the power with the mutual overlap joint of atress muscle in it in the pilot hole that stretches into another precast shear wall.
The up end of lower floor's prefabricated shear force wall is greater than the lower terminal surface of upper prefabricated shear force wall, shear force wall variable cross section position triangle unilateral is less than or equal to 30mm, triangle: the upper layer shear wall has a reduced width in the orthographic projection compared to the lower layer shear wall, including two-sided or one-sided variations. When the assembly holes in the lower end face of the upper prefabricated shear wall and the assembly holes in the upper end face of the lower prefabricated shear wall do not correspond up and down, the stress rib of one prefabricated shear wall bends to penetrate through the connecting area and extends into the assembly hole of the other prefabricated shear wall to be mutually lapped with the stress rib in the prefabricated shear wall for force transmission, or when the assembly holes in the lower end face of the upper prefabricated shear wall and the assembly holes in the upper end face of the lower prefabricated shear wall correspond up and down, the stress rib of one prefabricated shear wall, which is positioned in the corresponding part of the assembly hole, vertically penetrates through the connecting area and extends into the assembly hole of the other prefabricated shear wall to be mutually lapped with the stress rib in the prefabricated shear wall for force transmission, and the stress rib of the prefabricated shear wall, which is positioned in the non-corresponding part of the assembly hole, is upwards anchored into the connecting area.
The upper end surface of the lower prefabricated shear wall of the utility model is larger than the lower end surface of the upper prefabricated shear wall, the upper prefabricated shear wall and the lower prefabricated shear wall are edge members, part of assembly holes of the upper prefabricated shear wall and the lower prefabricated shear wall are vertically corresponding, wherein the stress rib of one prefabricated shear wall vertically passes through the connecting area and extends into the corresponding assembly hole of the other prefabricated shear wall to be mutually lapped and transferred with the stress rib inside, the other assembling hole parts of the upper-layer prefabricated shear wall and the lower-layer prefabricated shear wall are vertically corresponding, wherein the stress rib of one prefabricated shear wall in the corresponding part of the assembly hole vertically penetrates through the connecting area and extends into the assembly hole of the other prefabricated shear wall to be mutually lapped and transferred with the stress rib in the prefabricated shear wall, and the stress ribs of the prefabricated shear wall positioned in the parts, which do not correspond to the assembly holes, are upwards anchored into the connecting area.
The lapped length of atress muscle is more than or equal to 600 mm.
As an embodiment of the utility model, the floor is the coincide floor, the cast-in-place formation of linking area. The composite floor slab comprises a prefabricated floor slab and a post-cast concrete composite layer; floor slab reinforcing steel bars are pre-embedded in the prefabricated floor slabs, the exposed parts of the floor slab reinforcing steel bars are positioned in the connecting areas, and continuous floor slab reinforcing steel bars are laid above the post-cast concrete superposed layers.
As another embodiment of the present invention, the floor slab is a cast-in-place floor slab, and the connection region is formed by casting. The cast-in-place floor slab is made by the same method as the cast-in-place concrete structure, and is the prior art, which is not described herein.
Compared with the prior art, the utility model discloses the effect that is showing as follows has:
the utility model discloses a prefabricated shear wall is with reinforced concrete wall's steel bar framework pre-buried in the wall body and all not expose, has not only reduced the space that prefabricated shear wall took in the transportation, and the protection wall body is not destroyed, has simplified the hoist and mount operation of prefabricated shear wall in the work progress moreover, has guaranteed the fail safe nature of construction simultaneously.
A second jar the utility model discloses prefabricated shear force wall has the vertical pilot hole that runs through the wall body and adjacent pilot hole staggers on wall body length direction, through the assembly connection of inserting lower floor prefabricated shear force wall and floor in the pilot hole, with current adoption sleeve grout carry on the connection mode that the lower floor indulges the muscle and refutes and connect and compare, the utility model discloses the preparation and the installation degree of difficulty of prefabricated shear force wall have been reduced, convenient construction, construction cost is low.
The utility model discloses the assembly structure of shear force wall is firm safe, and construction process is simple, during the construction, from bottom to top successive layer assembly construction, convenient construction, improved the efficiency of construction greatly, after lower floor precast shear force wall assembly is accomplished, interim mount, temporary support frame and the template that use in the detachable construction, recycle reduces the cost, and the pollution abatement is extravagant.
Fourth the utility model discloses prefabricated shear wall simple structure, with low costs, the practicality is strong, prefabricated post shear wall is applicable to the construction of assembled concrete building structure bottom, intermediate level and top layer.
The utility model discloses can realize the same or different prefabricated shear force wall of terminal surface size and the assembly connection of floor, and the atress muscle and the concrete in the prefabricated shear force wall mounting hole of upper and lower floor of accessible connect realization structural connection, and the connected mode is simple nimble, is suitable for extensive popularization and use.
Drawings
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
Fig. 1 is a plan view of a prefabricated shear wall according to embodiment 1 of the present invention;
fig. 2 is a longitudinal sectional view of a prefabricated shear wall according to embodiment 1 of the present invention;
fig. 3 is a sectional view of the assembly connection of the first-floor precast shear wall and the floor slab of embodiment 1 of the invention;
fig. 4 is a sectional view of the assembly connection of the middle-layer prefabricated shear wall and the floor slab in embodiment 1 of the invention;
fig. 5 is a sectional view of the assembly connection of the middle-layer prefabricated shear wall and the floor slab in embodiment 2 of the invention;
fig. 6 is a sectional view of the assembly connection of the intermediate-layer prefabricated shear wall and the floor slab of the embodiment 3 of the invention;
fig. 7 is a cross-sectional view of the intermediate-layer precast shear wall and floor slab assembly connection of embodiment 4 of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and 2, be the utility model relates to an assembled reserves stagger prefabricated shear wall 1 who arranges the pilot hole, prefabricated shear wall 1 is the reinforced concrete wall of mill's preparation, this prefabricated shear wall 1 includes the wall body, pre-buried in the wall body has not exposed in the steel reinforcement skeleton of wall body to avoid steel reinforcement skeleton to set up a plurality of vertical pilot holes 5 that run through the wall body in the wall body, pilot hole 5 arranges into two rows at least and adjacent row's pilot hole along the length direction of wall body and staggers on horizontal along the wall body. In this embodiment, the pilot hole 5 is two rows, and two rows of pilot holes 5 stagger on the wall body is horizontal, and the pilot hole is the circular port, and the diameter is 60 ~ 80 mm. The number and the distribution intervals of the assembly holes are designed according to the section of the shear wall in the actual engineering.
In this embodiment, the framework of steel reinforcement is a pair of and divides the both sides of locating the wall body, pilot hole 5 is located between two frameworks of steel reinforcement, every framework of steel reinforcement mainly comprises horizontal distribution muscle 2 and vertical distribution muscle 3, horizontal distribution muscle 2 and 3 staggered arrangements of vertical distribution muscle form a plurality of cross positions, horizontal distribution muscle 2 and vertical distribution muscle 3 are at this cross position ligature connection, be equipped with drawknot muscle 4 on this cross position to the framework of steel reinforcement corresponding, through the connection that two frameworks of drawknot muscle 4 drawknot cross positions realized.
The prefabricated shear wall is simple in structure and easy to manufacture, during manufacturing, the cylindrical metal pipes are pre-embedded in the assembly holes 5 in the prefabricated shear wall 1, and after the prefabricated shear wall 1 is formed, the pre-embedded cylindrical metal pipes are extracted, so that the metal pipes can be recycled, and waste is avoided; the steel reinforcement framework in the wall body is not exposed, so that the occupied space in the transportation process is reduced, the wall body is protected from being damaged, the hoisting operation is simplified, and the safety and reliability of construction are guaranteed.
As shown in fig. 3 and 4, the assembly structure of the prefabricated shear wall comprises the assembly type prefabricated shear wall with the reserved assembling holes arranged in a staggered manner, and comprises a floor slab 6, an upper prefabricated shear wall 7 and a lower prefabricated shear wall 8, wherein a connecting area 9 is formed among the upper prefabricated shear wall 7, the lower prefabricated shear wall 8 and the floor slab 6, the lower end surface of the upper prefabricated shear wall 7 and the upper end surface of the lower prefabricated shear wall 8 are the same in size, the assembling holes 5 on the lower end surface of the upper prefabricated shear wall 7 correspond to the assembling holes 5 on the upper end surface of the lower prefabricated shear wall 8 up and down, and stress ribs 10 are respectively inserted into the assembly holes of the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8, and the stress ribs 10 of the lower prefabricated shear wall 8 vertically penetrate through the connecting areas 9 upwards and extend into the assembly holes 5 corresponding to the upper prefabricated shear wall 7 to be lapped with the stress ribs 10 of the upper prefabricated shear wall 7 to transfer force mutually. The length of the stress rib 10 of the lower prefabricated shear wall 8 inserted into the assembly hole of the upper prefabricated shear wall 7 is 600 mm. Self-compacting fine stone concrete or grouting material is poured into the assembly holes 5, and the upper prefabricated shear wall 7, the lower prefabricated shear wall 8 and the floor slab 6 are connected through the connecting area by the stress bars and the concrete or the grout.
In other embodiments, the stressed rib of the upper prefabricated shear wall vertically penetrates through the connecting area downwards and extends into the corresponding assembly hole of the lower prefabricated shear wall by 600mm, and is lapped with the stressed rib of the lower prefabricated shear wall to transmit force, but the corresponding assembly hole is required to be reserved in the connecting area.
In this embodiment, the floor slab 6 is a composite floor slab, and the precast shear wall 1 is assembled and connected with the floor slab 6 on site. The method comprises the following steps: the composite floor slab comprises a prefabricated floor slab 11 and a post-cast concrete composite layer 12, and the connecting area 9 is formed by cast-in-place; the prefabricated floor slab 11 is internally embedded with floor slab reinforcing steel bars 13, the exposed parts of the floor slab reinforcing steel bars 13 are positioned in the connecting area 9, a continuous floor slab reinforcing steel bar framework 14 is laid above the post-cast concrete superposed layer 12, concrete which is simultaneously cast in a cast-in-place mode is cast in the connecting area 9 and the post-cast concrete superposed layer 12, so that the stress bars 10 and the floor slab reinforcing steel bars 13 are both embedded in the concrete, a mortar layer 15 is arranged between the upper prefabricated shear wall 7 and the connecting area 9, and the mortar layer 15 of the first prefabricated shear wall is positioned on a foundation.
In other embodiments, the floor 6 may be a cast-in-place floor, which is made in the same way as a cast-in-place concrete structure.
The construction process of the prefabricated shear wall and the assembly structure thereof of the embodiment is as follows:
step 1: determining the installation position of the prefabricated shear wall 1 on a foundation or a floor, and embedding stress bars on the foundation when the first-layer prefabricated shear wall is installed, wherein the top ends of the stress bars extend out of a ground plane by 600 m; and (4) building a temporary fixing frame near the mounting position, hoisting and inserting the assembly holes of the lower end surface of the prefabricated shear wall at the positions of the stress ribs and temporarily fixing the wall.
Step 2: after the wall body is fixed, a temporary support frame is built, a floor slab is installed, the floor slab is supported by the temporary support frame, and a continuous floor slab steel reinforcement framework is laid above the prefabricated floor slab; the stress bar is vertically inserted into the assembly hole, the stress bar extends out of the connecting area by 600mm, and the stress bar is bound and connected with the exposed part of the floor slab steel bar or the floor slab steel bar framework in the connecting area.
And step 3: and installing templates at the joint parts of the side surface of the prefabricated shear wall and the bottom surface of the floor slab, pouring self-compacting fine aggregate concrete or grouting material into the assembly holes of the prefabricated shear wall, pouring concrete in the steel reinforcement framework and the connection area of the floor slab, and completing the assembly connection of the prefabricated shear wall and the floor slab after the concrete reaches a certain strength.
And 4, step 4: on the floor constructed by the floor slab in the step 3, repeating the steps 1 to 4 from bottom to top, and constructing layer by layer to complete the assembly of each layer of prefabricated shear wall; when the top layer is constructed, the stress bar in the step 2 is not higher and the bent anchor is in the connecting area.
The prefabricated shear wall and floor assembling in the steps is suitable for construction of the bottom layer, the middle layer and the top layer of the fabricated building.
The utility model discloses an insert stress bar 10 in the prefabricated shear force wall assembly hole of upper strata, the prefabricated shear force wall assembly hole of lower floor and stress bar 10 pass the mutual overlap joint of connection region 9 and pass the power, thereby after waiting to insert stress bar 10, thereby to pouring into concrete in the assembly hole and making shear force wall and floor be connected, accomplish the structure assembly. The assembly structure has the characteristics of firm assembly and simple construction process. During construction, the construction efficiency is greatly improved by assembling and constructing from bottom to top layer by layer, and after the lower-layer prefabricated shear wall is assembled and completed, the temporary fixing frame, the temporary supporting frame and the template used in construction can be disassembled, so that the temporary fixing frame, the temporary supporting frame and the template can be recycled, and the manufacturing cost is reduced.
Example 2
As shown in fig. 5, the present embodiment is different from the assembly structure of embodiment 1 in that: the upper end surface of the lower prefabricated shear wall 8 is larger than the lower end surface of the upper prefabricated shear wall 7, the variable cross section position delta of the shear wall is smaller than or equal to 30mm on one side (delta: the width of the upper shear wall, which is reduced in the front-to-back plane projection compared with the lower shear wall, includes the change of two sides or one side), the assembly hole 5 on the lower end surface of the upper prefabricated shear wall 7 and the assembly hole 5 on the upper end surface of the lower prefabricated shear wall 8 do not correspond up and down, and the stress rib 10a of the lower prefabricated shear wall 8 bends to penetrate through the connecting area 9 to extend into the assembly hole 5 of the upper prefabricated shear wall 7 to be mutually overlapped with the stress rib 10b therein to transfer force.
In other embodiments, the stress rib of the upper prefabricated shear wall bends to penetrate through the connecting area and extend into the assembly hole of the lower prefabricated shear wall to be in lap joint with the stress rib in the lower prefabricated shear wall for force transmission.
Example 3
As shown in fig. 6, the assembly structure of the present embodiment differs from that of embodiment 2 in that: the assembly hole 5 on the lower end face of the upper prefabricated shear wall 7 corresponds to the assembly hole 5 on the upper end face of the lower prefabricated shear wall 8 in part up and down, the stress rib 10c of the upper prefabricated shear wall 7 located in the corresponding part of the assembly hole 5 vertically penetrates through the connecting area 9 to extend into the assembly hole 5 of the lower prefabricated shear wall 8 to be in lap joint with the stress rib 10d in the assembly hole 5 to transmit force, and the stress rib 10d of the lower prefabricated shear wall 8 located in the part, which does not correspond to the assembly hole 5, is upwards anchored into the connecting area 9.
Example 4
As shown in fig. 7, the assembly structure of the present embodiment differs from that of embodiment 3 in that: the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8 are edge members, part of the assembly holes 5 of the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8 correspond to each other up and down, in the embodiment, the row of the assembly holes 5, close to the edge, of the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8 correspond to each other up and down, the stress rib 10e of the lower prefabricated shear wall 8 vertically penetrates through the connecting area 9 to extend into the assembly hole 5, corresponding to the upper prefabricated shear wall 7, of the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8 to be in lap joint with the stress rib 10f therein to transmit force, the other part of the assembly hole 5 of the upper prefabricated shear wall 7 and the lower prefabricated shear wall 8 corresponds to each other up and down, and the stress rib 10g of the upper prefabricated shear wall 7, located in the corresponding part of the assembly hole 5, vertically penetrates through the connecting area 9 to extend into the assembly hole 5 of the lower prefabricated shear wall 8 to be in lap joint with the stress rib 10h therein Force is transferred, the stress rib 10h of the lower-layer prefabricated shear wall 8, which is positioned in the part, not corresponding to the assembly hole 5, of the lower-layer prefabricated shear wall is bent upwards and anchored into the connecting area 9, the bending length is larger than or equal to 12d, and d is the diameter of a steel bar.
In other embodiments, the assembly holes may be arranged in more than three rows along the length direction of the wall, and the assembly structure may be determined according to the actual situation with reference to the embodiment with two rows of assembly holes.
The embodiments of the present invention are not limited to the above, according to the above-mentioned contents of the present invention, according to the common technical knowledge and the conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or changes in various forms, all falling within the scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated shear wall of stagger arrangement pilot hole is reserved to assembled, includes the wall body, its characterized in that: the wall body is internally pre-embedded with a steel bar framework which is not exposed out of the wall body, a plurality of vertical assembly holes which penetrate through the wall body are formed in the wall body in a way of avoiding the steel bar framework, and the assembly holes are distributed into at least two rows along the length direction of the wall body, and the adjacent rows of assembly holes are staggered horizontally along the wall body.
2. The prefabricated shear wall provided with the assembling holes in the staggered arrangement according to the claim 1, is characterized in that: the wall body is located to the framework of steel reinforcement for a pair of and branch, the pilot hole is located between two frameworks of steel reinforcement, and every framework of steel reinforcement mainly comprises horizontal distribution muscle and vertical distribution muscle, horizontal distribution muscle and vertical distribution muscle staggered arrangement form a plurality of cross sections, horizontal distribution muscle and vertical distribution muscle are connected at this cross section, are equipped with the drawknot muscle on this cross section to the framework of steel reinforcement corresponding, through the drawknot muscle drawknot the cross section realizes two frameworks of steel reinforcement's connection.
3. The prefabricated shear wall provided with the staggered assembly holes in the assembled mode according to claim 1 or 2, is characterized in that: the pilot hole is the circular port, and the diameter is 60 ~ 80 mm.
4. An assembly structure of a prefabricated shear wall comprising assembly holes reserved in staggered arrangement according to claim 1, 2 or 3, wherein the assembly structure comprises a floor slab, an upper prefabricated shear wall and a lower prefabricated shear wall, and a connection area is formed among the upper prefabricated shear wall, the lower prefabricated shear wall and the floor slab, and the assembly structure is characterized in that: the assembly holes of the upper prefabricated shear wall and the lower prefabricated shear wall are respectively inserted with a stress rib, and the stress rib of one prefabricated shear wall penetrates through the connecting area and extends into the corresponding assembly hole of the other prefabricated shear wall to be lapped with the stress rib in the other prefabricated shear wall to mutually transmit force; and self-compacting fine stone concrete or grouting material is poured into the assembly holes, and the upper-layer prefabricated shear wall, the lower-layer prefabricated shear wall and the floor slab are connected through the connecting areas by the stress bars and the concrete or the slurry.
5. The fitting structure according to claim 4, wherein: the length of the stress rib of one prefabricated shear wall inserted into the assembling hole of the other prefabricated shear wall through the connecting area is greater than or equal to 500 mm.
6. The fitting structure according to claim 5, wherein: the lower end face of the upper-layer prefabricated shear wall is the same as the upper end face of the lower-layer prefabricated shear wall in size, the assembly holes in the lower end face of the upper-layer prefabricated shear wall correspond to the assembly holes in the upper end face of the lower-layer prefabricated shear wall in a vertical mode, and the stress rib of one prefabricated shear wall vertically penetrates through the connecting area and extends into the assembly hole of the other prefabricated shear wall to be in lap joint with the stress rib in the prefabricated shear wall to transmit force.
7. The fitting structure according to claim 5, wherein: the upper end surface of the lower prefabricated shear wall is larger than the lower end surface of the upper prefabricated shear wall, the variable cross-section position delta of the shear wall is smaller than or equal to 30mm on one side, when the assembly holes on the lower end surface of the upper-layer prefabricated shear wall and the assembly holes on the upper end surface of the lower-layer prefabricated shear wall do not vertically correspond to each other, wherein the stress rib of one prefabricated shear wall bends to penetrate through the connecting area and extends into the assembling hole of the other prefabricated shear wall to be mutually lapped with the stress rib therein for force transmission, or when the assembly holes on the lower end surface of the upper prefabricated shear wall and the assembly holes on the upper end surface of the lower prefabricated shear wall are partially corresponding up and down, wherein the stress rib of one prefabricated shear wall in the corresponding part of the assembly hole vertically penetrates through the connecting area and extends into the assembly hole of the other prefabricated shear wall to be mutually lapped and transferred with the stress rib in the prefabricated shear wall, and the stress ribs of the prefabricated shear wall positioned in the parts, which do not correspond to the assembly holes, are upwards anchored into the connecting area.
8. The fitting structure according to claim 5, wherein: the upper end surface of the lower prefabricated shear wall is larger than the lower end surface of the upper prefabricated shear wall, the upper prefabricated shear wall and the lower prefabricated shear wall are edge components, part of assembly holes of the upper prefabricated shear wall and the lower prefabricated shear wall are vertically corresponding, a stress rib of one prefabricated shear wall vertically penetrates through a connecting area and extends into an assembly hole corresponding to the other prefabricated shear wall to be mutually lapped and transferred with a stress rib in the prefabricated shear wall, the rest assembly holes of the upper prefabricated shear wall and the lower prefabricated shear wall are vertically corresponding, a stress rib of one prefabricated shear wall, which is located in the corresponding part of the assembly hole, vertically penetrates through the connecting area and extends into an assembly hole of the other prefabricated shear wall to be mutually lapped and transferred with a stress rib in the assembly hole, and a stress rib of the prefabricated shear wall, which is located in the part not corresponding to the assembly hole, is upwards anchored into the connecting area.
9. The fitting structure according to claim 7 or 8, characterized in that: the length of the stress rib lap joint is larger than or equal to 600 mm.
10. The fitting structure according to claim 4, wherein: the floor slab is a laminated floor slab, and the connecting area is formed by casting in situ; or the floor slab is a cast-in-place floor slab, and the connecting area is formed by casting in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866234.1U CN214195056U (en) | 2020-08-31 | 2020-08-31 | Prefabricated shear wall with assembling holes arranged in staggered mode reserved in assembling mode and assembling structure of prefabricated shear wall |
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