CN112814224B - Construction technology of building wall - Google Patents

Abstract

The present application relates to a building wall construction process, which includes the following steps: S1, excavating a foundation pit and pouring a foundation: excavating a foundation pit on the ground, and pouring a foundation in the foundation pit: between the foundations of the foundation pit, there is a A shock absorbing mechanism; the shock absorbing mechanism includes two shock absorbing assemblies with the same structure and the same structure arranged in the compartment; the shock absorbing assembly includes a plurality of arc-shaped steel plates bundled together, the steel plates are elastic, and the length of the steel plates Differently, the bundled steel plates are shortened in turn toward the side of the foundation, the steel plates are bent to the side away from the foundation, the steel plates are bound together by spring buckles, the two ends of the longest steel plate are fixed with positioning sleeves, and the foundation of the foundation pit is internally A vertical support column is provided, and the positioning sleeve is fixed on the support column; S2, binding and pouring steel bars; S3, installing pouring formwork; S4, pouring concrete. The present application has the effect of reducing the loosening or collapse of the wall during an earthquake.

Description

Building wall construction technology

technical field

The present application relates to the field of building structures, and in particular, to a construction technology for building walls.

Background technique

At present, the construction technology of domestic buildings is basically that foundations, beams, columns, floor slabs and roof slabs are all concreted on the construction site, and the walls are filled with traditional types such as clay bricks and various blocks.

In most building structures, the wall is an indispensable structure. Therefore, the firmness of the wall is directly related to the overall firmness of the building. However, the existing walls are resistant to external stress, especially when the structure of the wall is loose during an earthquake, it is easy to collapse, and it is easy to cause potential safety hazards.

SUMMARY OF THE INVENTION

In order to reduce the loosening or collapse of a wall during an earthquake, the present application provides a construction process for a building wall.

A kind of building wall construction technique provided by the application adopts the following technical scheme:

A building wall construction process, comprising the following steps:

S1. Excavate the foundation pit and pour the foundation: excavate the foundation pit on the ground, and pour the foundation in the foundation pit:

A shock absorbing mechanism is arranged between the foundations of the foundation pit;

The shock-absorbing mechanism includes two shock-absorbing assemblies with the same structure, which are arranged in the compartment with inverted buckles; the shock-absorbing assemblies include a plurality of arc-shaped steel plates bundled together. The steel plate is shortened in turn towards the side of the foundation, the steel plate is bent to the side away from the foundation, the steel plates are bound together by spring buckles, the two ends of the longest steel plate are fixed with positioning sleeves, and the foundation of the foundation pit is fixed with vertical The set support column, the positioning sleeve is fixed on the support column;

S2. Binding and pouring steel bars: bind the pouring steel bars on the top of the foundation, and the pouring steel bars of the wall are double-row steel bars;

S3. Install the pouring formwork: When installing the pouring formwork, first fix the corner formwork at the corner, and then install the flat formwork;

S4, pouring concrete: pouring concrete into the fixed pouring formwork, and tamping the concrete.

By adopting the above technical solution, a plurality of steel plates bundled together are arranged between the foundations in the foundation pit, and the positioning sleeves at both ends of the steel plate are sleeved on the support column to keep the positions of the two ends of the steel plate unchanged, so as to prevent the steel plate from being damaged by seismic waves. When an earthquake occurs, the seismic wave is transmitted to the steel plate of the foundation. When the steel plate is subjected to the shock of the seismic wave, a stretching motion is formed, and a strong friction occurs between the steel plate and the steel plate, that is, the phenomenon of extrusion and stretching occurs, and the friction surface of the two steel plates produces two frictions. The motion friction force in different directions can consume seismic waves, thereby slowing the load impact of seismic waves on the foundation, reducing the damage of seismic waves to the foundation, thereby reducing the transmission of seismic waves to the building wall through the foundation, and reducing the loosening or collapse of the building wall.

Optionally, a steel plate near the foundation of the shock absorbing component is bound with an arc-shaped limit plate, the limit plate is an elastic steel plate, the bending direction of the limit plate is opposite to that of the steel plate, and both ends of the limit plate are fixed. on the side wall of the foundation.

By adopting the above technical solution, when the seismic wave impacts the steel plate to the extent that the steel plate is squeezed and stretched, the limit plate has a reverse supporting force on the steel plate, preventing the steel plate from being overstretched and breaking.

Optionally, a accommodating cavity is formed by buckling between the longer steel plates, and a rubber block is fixed in the accommodating cavity.

By adopting the above technical solution, when the seismic wave impacts the steel plate to the extent that the steel plate is squeezed and stretched, the steel plate squeezes the rubber block, and the rubber block is deformed, which has a certain supporting effect on the steel plate, and does not affect the deformation of the steel plate to slow down and eliminate the seismic wave. It can also prevent the steel plate from being overstretched and cracked, and the rubber block itself is elastic, which can slow down the transmission of seismic waves to a certain extent.

Optionally, the rubber block is NR rubber.

By adopting the above technical solutions, NR rubber has the best comprehensive performance, excellent elasticity, good fatigue resistance, low heat generation, small creep, good adhesion with metal parts, cold resistance, electrical insulation, and low temperature or weather resistance. Good performance, when the steel plate squeezes the rubber block until the rubber block deforms, it has a certain supporting effect on the steel plate, and the rubber block itself has elasticity, which can slow down the transmission of seismic waves to a certain extent.

Optionally, a vertically arranged foundation spring is fixed on the flange at the corner of the foundation, a connecting frame is fixed at the bottom of the foundation spring, the connecting frame is poured into the ground through concrete mortar, and the outer side of the foundation spring is covered with a protective sleeve. cylinder.

By adopting the above technical solution, the foundation spring is fixed at the corner of the foundation. When the seismic wave is transmitted to the position of the foundation, the vibration of the foundation spring can consume the energy of the seismic wave and slow down the transmission of the seismic wave to the foundation, thereby reducing the transmission of the seismic wave to the wall and pouring When concrete mortar is used, the protective sleeve prevents the concrete from solidifying in the foundation spring and prevents the foundation spring from not having the effect of shock absorption.

Optionally, an anti-vibration assembly is fixed on the outer side of the foundation pit in the foundation pit; the anti-vibration assembly includes a plurality of corrugated plates fixed together, a shock absorbing cavity is formed between the corrugated plates, the corrugated plates are elastic steel plates, and the corrugated plates are Coated with anti-corrosion paint.

By adopting the above technical solution, when the seismic wave is transmitted into the corrugated plate, the seismic wave is refracted in the shock-absorbing cavity of the corrugated plate, which can consume the seismic wave, reduce the transmission of the seismic wave to the foundation, thereby slow down the load impact of the seismic wave on the foundation, and reduce the impact of the seismic wave on the outside of the foundation. Impact, anti-corrosion paint can prevent the corrugated plate from corroding, and the corrugated plate can also prevent the moisture from the outside of the foundation pit from infiltrating into the foundation pit, reducing the damage to the foundation by moisture.

Optionally, in S3, when installing the corner formwork, through holes are symmetrically opened on the corner formwork on both sides of the pouring steel bar, the through hole on the corner formwork is penetrated with a screw rod, and the screw rod passes through the corner formwork on both sides of the pouring steel bar. A nut is threadedly connected to the rear of the through hole.

By adopting the above technical solution, nuts are threadedly connected to the outer side of the corner formwork on both sides of the cast steel bar, which facilitates the fixing of the wall corner formwork.

Optionally, the outer side of the corner formwork is provided with a support rod for reinforcing the diagonal support of the corner formwork, a triangle is formed between the corner formwork, the ground and the support rod, the top of the support rod is hinged with a connecting plate, and the bottom of the support rod is hinged. There are connection boards with the same structure.

By adopting the above technical solution, when supporting the corner formwork, the connecting plate at the top of the support rod is abutted on the outer side wall of the corner formwork, and the bottom is fixed to the ground by pressing a heavy object, so that a triangle is formed between the corner formwork, the ground and the support rod. The fixing of the corner formwork is more stable, and the connecting plate can increase the contact area between the support rod and the corner formwork, so that the support rod and the corner formwork are connected more closely.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. By arranging a plurality of arc-shaped steel plates to bundle together between the foundations of the foundation pit, the steel plates are elastic, and the lengths of the steel plates are different. Bending, the steel plates are bound together by spring buckles, the two ends of the longest steel plate are fixed with positioning sleeves, the foundation of the foundation pit is fixed with vertically arranged support columns, and the positioning sleeves are fixed on the support columns. When an earthquake occurs, the seismic wave is transmitted to the steel plate of the foundation. When the steel plate is subjected to the shock of the seismic wave, a stretching motion is formed, and a strong friction occurs between the steel plate and the steel plate, that is, the phenomenon of extrusion and stretching occurs, and the friction surface of the two steel plates produces two different directions. Motion friction can consume seismic waves, thereby slowing down the load impact of seismic waves on the foundation, reducing the damage of seismic waves to the foundation, thereby reducing the transmission of seismic waves to the building wall through the foundation, and reducing the loosening or collapse of the building wall;

2. An arc-shaped limit plate is bound to the steel plate of the shock absorbing component close to the foundation. The limit plate is an elastic steel plate. The bending direction of the limit plate is opposite to that of the steel plate, and both ends of the limit plate are fixed to the foundation. When the seismic wave impacts the steel plate to the extent that the steel plate is squeezed and stretched, the limit plate has a reverse supporting force on the steel plate to prevent the steel plate from being overstretched and broken;

3. A plurality of corrugated plates are fixed on the outside of the foundation in the foundation pit, and a shock absorption cavity is formed between the corrugated plates. The corrugated plate is an elastic steel plate, and the corrugated plate is coated with anti-corrosion paint. Refraction can consume seismic waves and reduce the transmission of seismic waves to the foundation, thereby slowing the impact of seismic waves on the foundation and reducing the impact of seismic waves on the outside of the foundation. into the foundation pit to reduce moisture damage to the foundation.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment.

FIG. 2 is a cross-sectional view of the embodiment.

Figure 3 is an exploded view of the foundation and damping mechanism.

Figure 4 is a sectional view of the foundation and damping mechanism

Description of reference numerals: 1, ground; 11, foundation pit; 12, foundation; 2, shock absorption mechanism; 21, shock absorber assembly; 211, steel plate; 212, positioning sleeve; 213, support column; 22, limit plate 3 , steel bars; 4, pouring formwork; 41, corner formwork; 411, through hole; 412, screw; 413, support rod; 4131, connecting plate; 42, plane formwork.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses a construction process for a building wall. 1 and 2, a building wall construction process includes the following steps:

S1, excavate the foundation pit 11 and pour the foundation: excavate the foundation pit 11 on the ground 1, and pour the foundation 12 in the foundation pit 11;

2 and 3, the foundation 12 is located on the four side walls of the foundation pit 11 and inside the foundation pit 11, a plurality of compartments are formed between the adjacent foundations 12, and the damping mechanism 2 is arranged in the compartment. 2 is used to slow down the damage to the foundation 12 caused by seismic waves, thereby reducing the loosening or collapse of the building walls.

The shock absorbing mechanism 2 includes two shock absorbing assemblies 21 which are inverted and arranged in the compartment. The structures of the two shock absorbing assemblies 21 are the same. Here, only one shock absorbing assembly 21 is used as an example. Shaped steel plates 211 are bundled together to form, the steel plates 211 are elastic, the steel plates 211 have the same width, the same thickness, and different lengths. Together; the two ends of the longest steel plate 211 are fixed with positioning sleeves 212, the two ends of the compartment are fixed with vertically arranged support columns 213, and the positioning sleeves 212 are sleeved on the support columns 213 and fixed with the support columns 213. , the positioning sleeve 212 is sleeved on the support column 213 to keep the positions of both ends of the steel plate 211 unchanged, so as to prevent the steel plate 211 from shaking at both ends when it is impacted by seismic waves; when an earthquake occurs, the seismic waves are transmitted to the steel plate 211 of the foundation 12. When subjected to the shock of the seismic wave, a stretching motion is formed, and strong friction occurs between the steel plate 211 and the steel plate 211, that is, the phenomenon of extrusion and stretching occurs, and the friction surfaces of the two steel plates 211 generate motion friction in two different directions, which can consume the seismic wave, and then The load impact of the seismic wave on the foundation 12 is slowed down, and the damage of the seismic wave to the foundation 12 is reduced, thereby reducing the transmission of the seismic wave to the building wall through the foundation 12, and reducing the loosening or collapse of the building wall.

The side of the shortest steel plate 211 of the shock absorbing assembly 21 close to the foundation 12 abuts an arc-shaped limit plate 22 , the limit plate 22 is an elastic steel plate, and the bending direction of the limit plate 22 is opposite to that of the steel plate 211 , and Both ends of the limit plate 22 are fixed to the side walls of the foundation 12, and the middle of the limit plate 22 is bundled with the steel plate 211; when the seismic wave impacts the steel plate 211 and the steel plate 211 is squeezed and stretched, the limit plate 22 is opposite to the steel plate 211. 211 has a reverse supporting force to prevent the steel plate 211 from being overstretched and breaking.

The two longest steel plates 211 are buckled to form an accommodation cavity 23. A rubber block 24 is fixed in the accommodation cavity 23. The rubber block 24 is preferably NR rubber. Good fatigue resistance, low heat generation, small creep, good adhesion with metal parts, cold resistance, electrical insulation, and low temperature resistance or weather resistance; , the steel plate 211 squeezes the rubber block 24, and the rubber block 24 is deformed, which has a certain supporting effect on the steel plate 211, does not affect the deformation of the steel plate 211, slows down the deformation and eliminates seismic waves, and also prevents the steel plate 211 from being overstretched and cracked, etc. The rubber block 24 itself has elasticity, which can slow down the transmission of seismic waves to a certain extent. Both sides of the rubber block 24 are provided with shock-absorbing springs 25, the two ends of the shock-absorbing springs 25 are respectively fixed on the two longest steel plates 211, the seismic waves are transmitted to the shock-absorbing springs 25, and the shock-absorbing springs 25 can absorb and consume the shock. The energy of the seismic wave can be consumed, and the damage of the seismic wave to the foundation 12 can be reduced.

The four corners of the foundation 12 are fixed with foundation springs 26 through flanges, the foundation springs 26 are arranged vertically, and the bottom of the foundation spring 26 is fixed with a connecting frame 261, a groove is excavated in the ground 1, and the connecting frame 261 is poured in concrete mortar. In the ground 1 , fixing the ground spring 26 to the ground 1 can slow down the transmission of seismic waves to the ground 12 . A protective sleeve 262 is sleeved on the outer side of the foundation spring 26. When pouring concrete mortar, the protective sleeve 262 prevents the concrete from solidifying in the foundation spring 26 and prevents the foundation spring 26 from not having the effect of shock absorption.

Referring to FIG. 4 , an anti-vibration assembly 27 is fixed on the outside of the foundation 12 in the foundation pit 11 . The anti-vibration assembly 27 is composed of a plurality of corrugated plates 271 , and a shock-absorbing cavity 272 is formed between the corrugated plates 271 . The corrugated plates 271 are elastic steel plates. The seismic waves are transmitted into the corrugated plate 271, and the seismic waves are refracted in the corrugated plate 271, which can consume the seismic waves and reduce the transmission of seismic waves to the foundation 12, thereby slowing the load impact of the seismic waves on the foundation 12 and reducing the damage of the seismic waves to the outside of the foundation 12; It is coated with anti-corrosion paint, which can prevent the corrugated plate 271 from corroding, and can also prevent moisture from the outside of the foundation pit 11 from infiltrating into the foundation pit 11, thereby reducing damage to the foundation 12 caused by moisture.

S2. Binding the pouring steel bar 3: bind the pouring steel bar 3 on the top of the foundation 12, and the pouring steel bar 3 of the wall is a double row of steel bars; the bottom of the vertical steel bar 3 is anchored to the foundation 12, and the horizontal steel bar 3 is vertically bound to the vertical steel bar 3 On the top, the tie bars are arranged in a plum-shaped arrangement, which mainly acts as a tie and increases the integrity of the binding of the cast steel bars 3.

S3. Install the pouring formwork 4: When installing the pouring formwork 4, first fix the corner formwork 41 at the corner, and then install the flat formwork 42.

When installing the corner formwork 41, make the corner formwork 41 abut against the wall corner, the corner formwork 41 is symmetrically provided with through holes 411, the through holes 411 of the corner formwork 41 are penetrated with screw rods 412, and the screw rods 412 pass through the two sides of the pouring steel bar 3. The through holes 411 on the corner formwork 41 are threadedly connected with nuts on the outer side of the corner formwork 41 of the pouring steel bar 3 , that is, the corner formwork 41 can be fixed. The outer side of the corner formwork 41 is provided with a support rod 413, the support rod 413 diagonally supports the corner formwork 41, the top of the support rod 413 abuts on the corner formwork 41, and the top of the support rod 413 is hinged with a connecting plate 4131, the support rod The bottom of 413 is hinged with a connecting plate 4131 with the same structure; when supporting the corner formwork 41, the connecting plate 4131 at the top of the support rod 413 is abutted on the outer side wall of the corner formwork 41, and the bottom is fixed to the ground 1 by heavy objects, so that the corner A triangle is formed between the template 41 , the ground 1 and the support rod 413 , which is more stable for fixing the corner template 41 .

When installing the plane formwork 42, the plane formwork 42 is abutted on the outside of the pouring steel bar 3, and the plane formwork 42 located on both sides of the pouring steel bar 3 is also fixed by the screw 412 and the nut. Support reinforcement.

S4, pouring concrete: pouring concrete into the fixed pouring formwork 4, and tamping the concrete.

The implementation principle of a building wall construction process in the embodiment of the present application is as follows: after excavating the foundation pit 11 , first install the foundation spring 26 at the corner of the foundation pit 11 , then pour the foundation 12 , and lay a shock absorbing device on the outside of the foundation 12 . Then install the bundled steel plate 211 in the foundation 12, install the rubber block 24 and the shock-absorbing spring 25 in the accommodating cavity 23 at the same time, and finally tie the pouring steel bar 3 on the top plate of the foundation 12. The pouring template 4 is installed, and finally the wall is poured. After the wall to be poured meets the standard, the pouring template 4 can be removed.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (6)

1. a building wall construction technique, is characterized in that: comprise the steps: S1. Excavate the foundation pit (11) and pour the foundation (12): excavate the foundation pit (11) on the ground (1), and pour the foundation (12) in the foundation pit (11): A damping mechanism (2) is arranged between the foundations (12) of the foundation pit (11); The shock absorbing mechanism (2) includes two shock absorbing assemblies (21) with the same structure, which are provided in the compartment with inverted buckles; the shock absorbing assemblies (21) include a plurality of arc-shaped steel plates (211) bundled together , the steel plate (211) has elasticity, the length of the steel plate (211) is different, the steel plate (211) that is bundled becomes shorter in turn toward the side of the foundation (12), the steel plate (211) bends to the side away from the foundation (12), and the steel plate (211) is bent to the side away from the foundation (12). (211) are bound together by spring buckles, positioning sleeves (212) are fixed at both ends of the longest steel plate (211), and vertically arranged support columns (212) are fixed in the foundation (12) of the foundation pit (11). 213), the positioning sleeve (212) is fixed on the support column (213); the steel plate (211) of the shock absorber assembly (21) close to the foundation (12) is bound with an arc-shaped limit plate (22) , the limit plate (22) is an elastic steel plate (211), the bending direction of the limit plate (22) is opposite to that of the steel plate (211), and the two ends of the limit plate (22) are fixed to the side of the foundation (12). wall; An anti-seismic component (27) is fixed on the outer side of the foundation (12) in the foundation pit (11); The anti-vibration assembly (27) includes a plurality of corrugated plates (271) fixed together, a shock absorbing cavity (272) is formed between the corrugated plates (271), and the corrugated plates (271) are elastic steel plates (211), and the corrugated plates (271) are elastic steel plates (211). (271) with anti-corrosion paint. S2. Binding the pouring steel bar (3): binding the pouring steel bar (3) on the top of the foundation (12), and the pouring steel bar (3) of the wall is a double row of steel bars (3); S3. Install the pouring formwork (4): when installing the pouring formwork (4), first fix the corner formwork (41) at the corner, and then install the plane formwork (42); S4, pouring concrete: pouring concrete into the fixed pouring formwork (4), and tamping the concrete. 2. The building wall construction process according to claim 1, characterized in that: the longer steel plates (211) are buckled to form a accommodating cavity (23), and the accommodating cavity (23) is fixed with a Rubber block (24). 3. The building wall construction process according to claim 2, wherein the rubber block (24) is NR rubber. 4. The building wall construction process according to claim 1, characterized in that: a vertically arranged foundation (12) spring is fixed at the corner of the foundation (12), and the bottom of the foundation (12) spring is fixed A connecting frame (261) is provided, the connecting frame (261) is poured into the ground (1) through concrete mortar, and a protective sleeve (262) is sleeved on the outer side of the spring of the foundation (12). 5. building wall construction technology according to claim 1, is characterized in that: in S3, when installing corner formwork (41), be located in the corner formwork (41) on both sides of pouring steel bar (3) symmetrically open with through The hole (411), the through hole (411) on the corner formwork (41) is pierced with a screw (412), and the screw (412) passes through the through hole (412) on the corner formwork (41) on both sides of the pouring reinforcement (3). 411) The rear thread is connected with a nut. 6. building wall construction technology according to claim 5 is characterized in that: the outer side of described corner formwork (41) is provided with the support rod (413) that diagonally braces and reinforces to the corner formwork (41), the corner formwork (41) 41) A triangle is formed between the ground (1) and the support rod (413), a connecting plate (4131) is hinged on the top of the support rod (413), and a connecting plate (4131) with the same structure is hinged on the bottom of the support rod (413). ).

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