CN203113556U - Fabricated concrete shear wall - Google Patents

Fabricated concrete shear wall Download PDF

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Publication number
CN203113556U
CN203113556U CN 201320106170 CN201320106170U CN203113556U CN 203113556 U CN203113556 U CN 203113556U CN 201320106170 CN201320106170 CN 201320106170 CN 201320106170 U CN201320106170 U CN 201320106170U CN 203113556 U CN203113556 U CN 203113556U
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CN
China
Prior art keywords
shear
layer
concrete shear
groove
assembly concrete
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Application number
CN 201320106170
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Chinese (zh)
Inventor
陈淮
高冰
葛素娟
陈代海
王艳
李�杰
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郑州大学
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Priority to CN 201320106170 priority Critical patent/CN203113556U/en
Application granted granted Critical
Publication of CN203113556U publication Critical patent/CN203113556U/en

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Abstract

A fabricated concrete shear wall comprises a prefabricated concrete shear wall body and a post-tensioning prestressed steel beam system. The prefabricated concrete shear wall body is formed by splicing shear wall units vertically in sequence, vertical prestressed steel beam pre-buried pipelines are preserved on two sides of each shear wall unit, and prestressed steel beams are arranged in the prestressed steel beam pre-buried pipelines in a penetrating mode. Each shear wall unit comprises a top layer shear wall unit, a middle layer shear wall unit and a bottom layer shear wall unit, and the prefabricated concrete shear wall body is provided with at least one middle layer shear wall unit. Protruding blocks and grooves matched with each other are respectively and correspondingly arranged on the splicing end faces of adjacent shear wall units. The fabricated concrete shear wall improves the integral working performance of an upper shear wall and a lower shear wall, and therefore the seismic performance of buildings with the fabricated concrete shear wall is improved.

Description

A kind of assembly concrete shear wall

Technical field

The utility model relates to a kind of assembly concrete shear wall.

Background technology

Assembly concrete building is a kind of important way of industrialization of construction industry, has that speed of application is fast, the engineering construction cycle is short, production efficiency is high, good product quality, safety and environmental protection, effectively reduces cost, and reduces plurality of advantages such as supplies consumption and working procedure.

Domestic assembly concrete shear wall system is mainly used in provide fortification against earthquakes grade and the multistory building of seismic fortification intensity requirement than low country, and the application of the full assembling shear wall structure system of strict control, main cause is that assembly concrete shear wall structure globality is relatively poor under geological process, easily producing stress at seam crossing concentrates, be out of shape discontinuously, cause structural damage or destruction; For guaranteeing the globality of assembly concrete shear wall, adopted precast wall body again, the processing mode of cast-in-place seam, but this method working procedure complexity, engineering time are long, can not embody assembly concrete shear wall advantage of high production efficiency.Therefore the assembly concrete shear wall structure of development of new makes it have good whole service behaviour and anti-seismic performance, and is simple and efficient when joint is constructed again, seems very necessary.

The utility model content

The utility model provides a kind of assembly concrete shear wall, improves the seam construction of assembly concrete shear wall, strengthens the integral working of precast concrete shear wall, improves the horizontal shear resistance of body of wall; And employing post-tensioned prestressing muscle is strengthened overall performance and the whole anti-seismic performance of improving the assembly concrete shear wall structure system between vertical body of wall.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of assembly concrete shear wall, comprise precast concrete shear wall body and post-tensioned prestressing steel beam system, the precast concrete shear wall body vertically is spliced successively by the shear-wall element edge, each shear-wall element both sides is reserved and vertically is provided with the pre-buried pipeline of prestressed strand, is equipped with prestressed strand in the pre-buried pipeline of prestressed strand; Shear-wall element comprises top layer shear-wall element, intermediate layer shear-wall element, bottom shear-wall element, and the precast concrete shear wall body arranges one deck intermediate layer shear-wall element at least; Corresponding projection and the groove that mutual coupling is set respectively on the adjacent shear-wall element splicing end face.

The longitudinal section of projection and groove is trapezoidal or rectangle.

Two projections and groove are set on the splicing end face of shear-wall element at least.

The interior configuration reinforcement of projection and groove also arranges chamfer configuration.

Be provided with setting course between the adjacent shear-wall element Mosaic face, setting course is pea gravel concreten or cement mortar.

When prestressed strand needs spreading, adopt the presstressed reinforcing steel extension device to realize.

Concrete beneficial effect of the present utility model is:

1. by at the shear-wall element end face projection and groove being set, make projection and the groove coupling of levels shear-wall element, thereby strengthened horizontal shear resistance and the anti-seismic performance of concrete shear force wall and building integral effectively;

2. by the vertical pre-buried prestressed strand pipeline in shear wall body of wall both sides, behind the shear wall installation in position, wear prestressed strand and stretch-draw, improved the collaborative work ability of shear wall up and down;

3. shear wall connects simple structure, and power transmission is clear and definite, and working procedure is easy, effectively enhances productivity;

4. the utility model is applicable to the assembly concrete shear wall of multilayer or high-rise assembly concrete frame-shear wall structure and various ways.

Description of drawings

Fig. 1 is the stereogram of the intermediate layer shear wall of embodiment 1;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the stereogram of the bottom shear wall of embodiment 1;

Fig. 5 is the stereogram of the top layer shear wall of embodiment 1;

Fig. 6 is the stereogram of the intermediate layer shear wall of embodiment 2;

Fig. 7 is the front view of Fig. 6;

Fig. 8 is the vertical view of Fig. 6;

Fig. 9 is the stereogram of the bottom shear wall of embodiment 2;

Figure 10 is the stereogram of the top layer shear wall of embodiment 2;

The specific embodiment

Embodiment 1: shown in Fig. 1-5, a kind of assembly concrete shear wall, comprise precast concrete shear wall body 1 and post-tensioned prestressing steel beam system, the precast concrete shear wall body vertically is spliced successively by the shear-wall element edge, each shear-wall element both sides is reserved and vertically is provided with the pre-buried pipeline 4 of prestressed strand, is equipped with prestressed strand in the pre-buried pipeline 4 of prestressed strand, is a kind of assembly unit means in the construction stage, but stressed at the operational phase participation structure, bear the wall segment moment of flexure; Should design according to participation structure is stressed, make it bear the wall segment moment of flexure, treat the shear wall installation in position after, wear prestressed strand and stretch-draw, up and down the multilayer shear wall is linked to be integral body; Shear-wall element comprises top layer shear-wall element (shown in Fig. 1-3), intermediate layer shear-wall element (shown in Figure 5), bottom shear-wall element (shown in Figure 4), and precast concrete shear wall body 1 arranges one deck intermediate layer shear-wall element at least; Corresponding projection 2 and the groove 3 that mutual coupling is set respectively on the adjacent shear-wall element splicing end face, projection 2 volumes are slightly less than groove 3 volumes.Projection 2 and groove 3 collocation are constructed, and have improved the horizontal shear resistance of parallel shear wall metope direction seam

In the present embodiment, the longitudinal section of projection 2 and groove 3 is trapezoidal, and two projections and groove are set on the splicing end face of shear-wall element at least.Projection 2 and groove 3 interior configuration reinforcements also arrange chamfer configuration, produce stress when avoiding it stressed and concentrate.Be provided with setting course between the adjacent shear-wall element Mosaic face, setting course is pea gravel concreten or cement mortar, and upper and lower shear-wall element is combined closely.When prestressed strand needs spreading, adopt the presstressed reinforcing steel extension device to realize.

A kind of assembly concrete shear wall construction method, concrete steps are as follows:

(1) according to building structure grade, load, stride the footpath, the floor height design parameters carries out the shear wall structure analysis, calculates sectional dimension, the number of steel bars of determining shear-wall element; And the quantity of definite projection 2 and groove 3, construction size and inner arrangement of reinforcement quantity; Select prestressed strand according to stressing conditions;

(2) prefabricated assembled concrete shear wall: at the prefabricated shear-wall element of precast yard, comprise bottom shear-wall element, intermediate layer shear-wall element and top layer shear-wall element by designing requirement; Wherein, as Figure 1-3, shear-wall element upper surface, intermediate layer arranges projection, and shear-wall element lower surface, intermediate layer arranges groove; As shown in Figure 5, the top layer shear-wall element only arranges groove in the lower surface, and the upper surface is the plane; As shown in Figure 4, the bottom shear-wall element only arranges projection in the upper surface, and the lower surface links to each other with the basis; Top layer shear-wall element, intermediate layer shear-wall element, bottom shear-wall element are along vertically splicing successively;

Vertically reserve the pre-buried pipeline 4 of prestressed strand in the body of wall both sides of each shear-wall element;

Prefabricated mould is set, prefabricated according to the method for prefabricating of conventional concrete shear wall;

(3) the assembly concrete shear wall is installed: the prefabricated shear-wall element of finishing is transported to builds the place, bottom shear-wall element is installed earlier, the middle level shear-wall element is installed then, the top layer shear-wall element is installed at last; When bottom shear-wall element is installed, in the pre-buried pipeline 4 of prestressed strand, wear prestressed strand, and good at the bottom anchor;

Before lifting last layer shear-wall element, on next story shear wall upper surface, all lay one deck setting course, setting course is pea gravel concreten or cement mortar, to strengthen the conjugation of levels shear wall, the groove 3 of upper strata shear-wall element is placed on the projection 2 of lower floor's shear-wall element, simultaneously prestressed strand is passed the pre-buried pipeline 4 of the prestressed strand of upper strata shear wall and be connected with the prestressed strand of lower floor shear-wall element, stretch-draw prestressing force steel bundle, wherein the spreading of presstressed reinforcing steel is realized with the presstressed reinforcing steel extension device;

Precast concrete shear wall body 1 arranges one deck middle level shear-wall element at least; Every layer of order installed, and shear-wall element is linked to be integral body.

Embodiment 2: shown in Fig. 6-10, basic identical with example 1, difference is: the longitudinal section of projection and groove is rectangle.

Claims (6)

1. assembly concrete shear wall, it is characterized in that: comprise precast concrete shear wall body and post-tensioned prestressing steel beam system, the precast concrete shear wall body vertically is spliced successively by the shear-wall element edge, the pre-buried pipeline of vertical prestressing steel bundle is reserved in each shear-wall element both sides, is equipped with prestressed strand in the pre-buried pipeline of prestressed strand; Shear-wall element comprises top layer shear-wall element, intermediate layer shear-wall element, bottom shear-wall element, and the precast concrete shear wall body arranges one deck intermediate layer shear-wall element at least; Corresponding projection and the groove that mutual coupling is set respectively on the adjacent shear-wall element splicing end face.
2. assembly concrete shear wall according to claim 1, it is characterized in that: the longitudinal section of projection and groove is trapezoidal or rectangle.
3. assembly concrete shear wall according to claim 2 is characterized in that: two projections and groove are set on the splicing end face of shear-wall element at least.
4. assembly concrete shear wall according to claim 3 is characterized in that: configuration reinforcement also arranges chamfer configuration in projection and the groove.
5. assembly concrete shear wall according to claim 4, it is characterized in that: be provided with setting course between the adjacent shear-wall element Mosaic face, setting course is pea gravel concreten or cement mortar.
6. assembly concrete shear wall according to claim 5 is characterized in that: when prestressed strand needs spreading, adopt the presstressed reinforcing steel extension device to realize.
CN 201320106170 2013-03-08 2013-03-08 Fabricated concrete shear wall CN203113556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320106170 CN203113556U (en) 2013-03-08 2013-03-08 Fabricated concrete shear wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320106170 CN203113556U (en) 2013-03-08 2013-03-08 Fabricated concrete shear wall

Publications (1)

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CN203113556U true CN203113556U (en) 2013-08-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104053A (en) * 2013-03-08 2013-05-15 郑州大学 Assembled concrete shear wall and construction method thereof
CN104594523A (en) * 2014-12-02 2015-05-06 中南大学 Prestress splicing method for fabricated shear wall
CN104763079A (en) * 2015-03-11 2015-07-08 任志鹏 Foldable assembled integral concrete shear wall structure
CN106593079A (en) * 2016-12-15 2017-04-26 中国能源建设集团广东省电力设计研究院有限公司 Finished product assembly type solid enclosing wall
CN107489423A (en) * 2017-10-20 2017-12-19 中冶建工集团有限公司 A kind of construction method of assembled concrete square frame vertical shaft

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104053A (en) * 2013-03-08 2013-05-15 郑州大学 Assembled concrete shear wall and construction method thereof
CN103104053B (en) * 2013-03-08 2015-10-14 郑州大学 A kind of assembly concrete shear wall and construction method
CN104594523A (en) * 2014-12-02 2015-05-06 中南大学 Prestress splicing method for fabricated shear wall
CN104594523B (en) * 2014-12-02 2017-12-05 中南大学 The prestressing force concatenation construction method of fabricated shear wall
CN104763079A (en) * 2015-03-11 2015-07-08 任志鹏 Foldable assembled integral concrete shear wall structure
CN106593079A (en) * 2016-12-15 2017-04-26 中国能源建设集团广东省电力设计研究院有限公司 Finished product assembly type solid enclosing wall
CN107489423A (en) * 2017-10-20 2017-12-19 中冶建工集团有限公司 A kind of construction method of assembled concrete square frame vertical shaft

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20130807

Effective date of abandoning: 20151014