CN103726589B - I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice - Google Patents

I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice Download PDF

Info

Publication number
CN103726589B
CN103726589B CN201310739726.2A CN201310739726A CN103726589B CN 103726589 B CN103726589 B CN 103726589B CN 201310739726 A CN201310739726 A CN 201310739726A CN 103726589 B CN103726589 B CN 103726589B
Authority
CN
China
Prior art keywords
steel
shear
hole
precast
steel pipe
Prior art date
Application number
CN201310739726.2A
Other languages
Chinese (zh)
Other versions
CN103726589A (en
Inventor
曹万林
刘程炜
陈相家
张彩红
董宏英
Original Assignee
北京工业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京工业大学 filed Critical 北京工业大学
Priority to CN201310739726.2A priority Critical patent/CN103726589B/en
Publication of CN103726589A publication Critical patent/CN103726589A/en
Application granted granted Critical
Publication of CN103726589B publication Critical patent/CN103726589B/en

Links

Abstract

I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice, belong to the vertical method of attachment of precast shear wall.Present invention employs structural steel connecting member and overlap the method that reinforcing bar combines, i.e. I-shaped steel and steel (4) is set in upper strata precast shear wall (8) lower end, in the upper end of lower floor's precast shear wall (9), steel pipe (6) is set, being connected with after docking, reserved vertical distribution bar (1) uses colligation overlap joint;Post-cast strip (10) place arranges bending reinforcing steel bar (7);By the downward casting concrete in reserved structure hole;It is shaped to drum Raised key axis (3) by template in addition combined with face.This method decreases cost compared with the traditional methods such as sleeve connection, improves speed, and strengthens faying face shear resistance, makes assembling shear wall overall performance more preferable.

Description

I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice
Technical field
The present invention relates to the vertical method of attachment of fabricated shear wall, belong to one I-shaped steel and steel and fastener for connection Interface drum convex and be provided with the vertical method of attachment of assembling shear wall of bending reinforcing steel bar.
Background technology
In assembling concrete shear wall structure system, the connection between each precast shear wall component is key link, At present, assembly concrete shear wall is vertically installed and is mainly used the mode such as sleeve connection, slurry anchor connection, this A little connected modes are high to level of processing and the required precision of component, or work progress is loaded down with trivial details, by construction matter The impact of amount is big, cost is high, and at concrete joint surface premature rupture, easily occurs that straight joint is the most sliding Move.
Summary of the invention
It is an object of the invention to provide a kind of easy construction, cost is relatively low, have the assembling of preferable performance The vertical method of attachment of formula shear wall, with solve traditional shear wall method of attachment exist work progress loaded down with trivial details, Cost is high, the problems such as straight joint easily occurs in concrete joint surface.
The technical solution used in the present invention is as follows:
I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall, upper strata precast shear wall is main Including bottom arrange I-shaped steel and steel, the vertical distribution bar of body of wall, body of wall horizontal distribution reinforcing bar, structure hole, Bulging Raised key axis bottom body of wall;Lower floor's precast shear wall mainly includes that steel pipe that top arranges, body of wall are vertical Distribution bar, body of wall horizontal distribution reinforcing bar, structure hole, the bulging Raised key axis at body of wall top;Levels body of wall Between be post-cast strip, post-cast strip arranges horizontal reinforcement and bending reinforcing steel bar.
Pre-buried I-shaped steel and steel size should be supporting with steel pipe sizes, and 45 degree of breach are cut in I-shaped steel and steel termination, convenient It inserts in steel pipe.
Pre-buried I-shaped steel and steel extension elongation should be identical with post-cast strip height, and pre-buried steel pipe extension elongation is substantially Half for post-cast strip height.
Hole is left in steel pipe both sides, and the hole length of side or diameter dimension cannot be less than rear pouring concrete coarse aggregate Big particle diameter.
Arranging special matsurface at precast wall body upper and lower surface i.e. conjunction old and new concret face, matsurface drum is convex The height of block is not less than 10mm.
The most elongated reserved structure hole in precast wall body, structure bore dia is not less than 100mm.
Levels body of wall vertical reinforcement extension elongation cannot be less than the colligation lap of splice of code requirement.
Described I-shaped steel and steel and the practice of steel pipe framework interface drum projection diagonal reinforcement assembling shear wall, press as follows Step is carried out:
A precast wall body, b levels body of wall docks, c casting concrete.
During precast shear wall, lateral symmetry arranges horizontal distribution reinforcing bar and vertical distribution bar, and middle part is pre- Bushing burying, longitudinally through body of wall, pre-buried I-shaped steel and steel bottom body of wall, body of wall top embedded steel tube;Pour mixed Solidifying soil, precast shear wall upper and lower surface is shaped to the interface of tape drum projection by template, then extracts sleeve pipe out, shape Become structure hole;By the downward casting concrete in structure hole in precast shear wall, constitute post-cast strip;At structure Hole is watered full stopping before and is poured into a mould concrete, remains more last layer body of wall and fills up when pouring.
When precast wall body connects, top I-shaped steel and steel is inserted in the steel pipe of bottom, uses bolt at corresponding bolt hole Connect;The reserved vertical reinforcement of levels body of wall is colligation overlap joint at post-cast strip, and and the water that arranges herein Flat reinforcing bar binding becomes steel reinforcement cage.
Present invention employs structural steel connecting member and overlap the method that reinforcing bar combines, the i.e. prefabricated shearing on upper strata I-shaped steel and steel is set bottom wall, steel pipe is set at lower floor's precast shear wall top, is connected with again after docking, Reserved vertical distribution bar uses colligation overlap joint, arranges bending reinforcing steel bar, in addition combined with face by mould at post-cast strip Sheet metal forming is drum Raised key axis.
Concrete joint surface shear behavior decides the structural integrity after splicing, bearing capacity and shock resistance Energy.This precast shear wall upper and lower surface is shaped to drum Raised key axis (concavo-convex size is not less than 10mm) by template, Preferably can combine with rear pouring concrete, strengthen its shearing resistance effect, after improving shear wall splicing simultaneously Integrality performance of the structure.
Precast wall body uses the mode fixed further in the steel pipe of I-shaped steel and steel insertion bottom, top and with bolt to connect Connect, interface shearing-resistance effect can not only be strengthened, shear wall also can be made preferably to play bending resistance under curved scissors effect Effect, prevents interface, shear wall two ends from tensile failure is occurred to early and accelerates failure by shear.
The vertical distribution bar of levels body of wall is colligation overlap joint at post-cast strip, it is to avoid sleeve grouting etc. are numerous Trivial work progress, improves speed of application.Due to I-shaped steel and steel at post-cast strip elongated, and steel pipe is only A part, forms plane of weakness at steel tube end part, arranges one bending reinforcing steel bar herein, can make up weakness Shear-carrying capacity, when simultaneously effective alleviating failure by shear, diagonal crack carries out.
At post-cast strip, configuration template blocks, by the structure hole concrete perfusion of upper strata body of wall, coagulation Soil fills up the space between post-cast strip and I-shaped steel and steel and steel pipe, stops concrete perfusion before circular hole waters completely, Remain more last layer body of wall to fill up when pouring, strengthen contacting between post-cast strip and precast wall body, stop boundary Face is crack and slide under shearing action.
Accompanying drawing explanation
Fig. 1 is upper wall body elevation
Fig. 2 is upper wall body ground plan
Fig. 3 is lower wall body elevation
Fig. 4 is lower wall body top plane view
Fig. 5 is levels wall connecting schematic diagram
Fig. 6 is connection horizontal sectional drawing at post-cast strip
Accompanying drawing code name illustrates: the vertical distribution bar of 1-, 2-horizontal distribution reinforcing bar, 3-drum nonreentrant surface, 4-work Shape steel, 5-constructs hole, 6-steel pipe, 7-bending reinforcing steel bar, 8-upper strata body of wall, 9-lower floor body of wall, waters after 10- Band, 11-bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment describe in detail the present invention:
I-shaped steel and steel assembles vertical method of attachment and the step of shear wall with steel pipe framework interface drum projection diagonal reinforcement As follows:
Step1, precast wall body: shear wall lateral symmetry is arranged by horizontal distribution reinforcing bar 2 and is vertically distributed steel The bar-mat reinforcement of muscle 1 composition, pre-buried two sleeve pipes in middle part, longitudinally through body of wall, pre-buried bottom body of wall I-shaped steel and steel 4, and stretch out surface, extension elongation is the most identical with post-cast strip 10, and the extension edge of a wing all carries Bolt hole, termination is had to cut into 45 degree of breach;Precast wall body top embedded steel tube 6, and stretch out surface, Extension and bolt hole corresponding position, the i shaped steel edge of a wing, also with bolt hole, separately have and facilitate concrete to enter Fill up I-shaped steel and steel and the hole in steel pipe space;Concrete protective is reserved by spacer in shear wall both sides Layer thickness, then props up the template of casting concrete, casting concrete, and precast wall body upper and lower surface is by mould Sheet metal forming is drum Raised key axis 3, extracts sleeve pipe out after reaching certain condition, forms two structure holes 5.
Step2, levels body of wall dock: lower floor's body of wall installs, and lifting upper strata body of wall 8, by bottom work Shape steel 4 stretches in lower floor's body of wall 9 steel pipe 6, falls at lower floor's body of wall upper surface, with bolt 11 through work shape Steel and steel pipe are fixed, and consolidate with bearing diagonal.Upper strata body of wall and the vertical distribution bar 1 of lower floor's body of wall At post-cast strip 10 colligation overlap joint, arrange two-layer horizontal distribution reinforcing bar 2 and with the colligation of vertical distribution bar 1 Become steel reinforcement cage, additionally at one bending reinforcing steel bar of post-cast strip intermediate arrangement 7.
Step3, cast-in-place concrete: at post-cast strip 10, configuration template blocks, by upper strata body of wall Structure hole 5 concrete perfusion, concrete fills up the space between post-cast strip and I-shaped steel and steel and steel pipe, at structure Pore-creating is watered and is completely stopped concrete perfusion before, remains more last layer body of wall and fills up when pouring;Treat that concrete reaches Form removal after some strength.
Being above an exemplary embodiments of the present invention, the enforcement of the present invention is not limited to this.

Claims (4)

1. I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assemble the practice of shear wall, it is characterised in that: pre- During shear wall processed, lateral symmetry arranges horizontal distribution reinforcing bar and vertical distribution bar, the pre-buried set in middle part Pipe, longitudinally through body of wall, pre-buried I-shaped steel and steel bottom body of wall, body of wall top embedded steel tube;Casting concrete, Precast shear wall upper and lower surface is shaped to the interface of tape drum projection by template, then extracts sleeve pipe out, forms structure Hole;By the downward casting concrete in structure hole in precast shear wall, constitute post-cast strip;Water full in structure hole Stop cast concrete before, remain more last layer body of wall and fill up when pouring;When precast wall body connects, on Portion's I-shaped steel and steel is inserted in the steel pipe of bottom, is connected with at corresponding bolt hole;Reserving of levels body of wall Vertical reinforcement is colligation overlap joint at post-cast strip, and becomes steel reinforcement cage with the horizontal reinforcement colligation arranged herein;On Layer precast shear wall mainly includes that the I-shaped steel and steel of bottom setting, the vertical distribution bar of body of wall, body of wall level are divided Bulging Raised key axis bottom cloth reinforcing bar, structure hole, body of wall;Lower floor's precast shear wall mainly includes that top is arranged Steel pipe, the vertical distribution bar of body of wall, body of wall horizontal distribution reinforcing bar, structure hole, body of wall bottom drum convex Interface;It is post-cast strip between levels body of wall, post-cast strip arranges horizontal reinforcement and bending reinforcing steel bar;
Pre-buried I-shaped steel and steel size should be supporting with steel pipe sizes, and 45 degree of breach are cut in I-shaped steel and steel termination, convenient It inserts in steel pipe;
Pre-buried I-shaped steel and steel extension elongation should be identical with post-cast strip height, and pre-buried steel pipe extension elongation is substantially Half for post-cast strip height;Hole is left in steel pipe both sides, after the hole length of side or diameter dimension cannot be less than Pouring concrete maximum size of coarse aggregate;
This shear wall is carried out as follows:
A precast wall body, b levels body of wall docks, c casting concrete.
I-shaped steel and steel the most according to claim 1 and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall The practice, it is characterised in that: arrange special coarse at precast wall body upper and lower surface i.e. conjunction old and new concret face Face, the height of matsurface drum projection is not less than 10mm.
I-shaped steel and steel the most according to claim 1 and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall The practice, it is characterised in that: the most elongated reserved structure hole in precast wall body, structure bore dia is not less than 100mm。
I-shaped steel and steel the most according to claim 1 and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall The practice, it is characterised in that: levels body of wall vertical reinforcement extension elongation cannot be less than the colligation of code requirement The lap of splice.
CN201310739726.2A 2013-12-26 2013-12-26 I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice CN103726589B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310739726.2A CN103726589B (en) 2013-12-26 2013-12-26 I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310739726.2A CN103726589B (en) 2013-12-26 2013-12-26 I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice

Publications (2)

Publication Number Publication Date
CN103726589A CN103726589A (en) 2014-04-16
CN103726589B true CN103726589B (en) 2016-08-17

Family

ID=50450860

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310739726.2A CN103726589B (en) 2013-12-26 2013-12-26 I-shaped steel and steel and steel pipe framework interface drum projection diagonal reinforcement assembling shear wall and the practice

Country Status (1)

Country Link
CN (1) CN103726589B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104074283A (en) * 2014-07-09 2014-10-01 长春工程学院 Novel assembled shear wall with embedded I-shaped steel and manufacturing method of novel assembled shear wall
CN110439137A (en) * 2015-10-14 2019-11-12 史世英 Prefabricated panel, wall and prefabricated panel production method, precast wall body construction method
CN110565837B (en) * 2019-08-07 2020-09-22 长安大学 Suspended precast shear wall semi-buried inner wall connecting structure and method
CN111155681A (en) * 2019-12-30 2020-05-15 中冶建筑研究总院有限公司 Steel concrete composite connection multilayer prefabricated section steel concrete shear wall structure and preparation and construction method thereof
CN111321824A (en) * 2020-03-04 2020-06-23 上海应用技术大学 Prefabricated assembled concrete shear force wall of cross

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5383166B2 (en) * 2008-12-01 2014-01-08 株式会社竹中工務店 Corrugated steel earthquake resistant wall, corrugated steel earthquake resistant wall design method, and building
CN202925716U (en) * 2012-12-06 2013-05-08 河北联合大学 Integrally assembled type concrete filled steel tube frame shear wall
CN203049832U (en) * 2013-01-22 2013-07-10 天津大学建筑设计研究院 Assembling type shear wall structure
CN203113553U (en) * 2013-02-26 2013-08-07 沈阳建筑大学建筑设计研究院 Prefabricated concrete frame-shear wall structure
CN103255853B (en) * 2013-05-15 2015-03-25 天津大学建筑设计研究院 Tooth-groove-type connection structure of upper-layer inner wallboard of assembly-type shear wall and lower-layer inner wallboard of assembly-type shear wall

Also Published As

Publication number Publication date
CN103726589A (en) 2014-04-16

Similar Documents

Publication Publication Date Title
CN104532813B (en) A kind of aquatic building operation platform and erection method, using method
CN103334422B (en) Assembled embedded type prefabricated hollow underground continuous wall and construction method thereof
CN106223360B (en) Using the open cut cast in place and precast construction subway station construction method of stake supporting system
US20200102751A1 (en) Precast column base joint and construction method therefor
CN202831203U (en) Assembly type concrete frame-shear wall split assembling structure and fabricative structure
CN205530667U (en) Prefabricated assembled concrete member
KR100701633B1 (en) Load dispersing plate for supporting central part of a twin tunnel and a construction method of a twin tunnel using the load dispersing plate
CN101899907B (en) Reinforced concrete column replacing and reinforcing method and device for unloading load of reinforced concrete column
CN104153287B (en) There is the section assembling concrete frame bridge pier system and method for self-resetting capability
CN103938864B (en) Infilled wall Constructional Col-umn Construction engineering method
CN103088915B (en) A kind of cast-in-place post with cap and construction method
CN104195911B (en) The one section Widening Embankment structure of suspended wall height barricade embankment near water and construction method
CN106193141B (en) A kind of impaired pier footing method for reinforcing of earthquake
CN103498425B (en) One completely knocks down multifunctional assembled bearing bracket structure and construction method thereof
CN104533446A (en) Construction method and structure of two-layer preliminary support for preventing geological disaster of large-section weak surrounding rock tunnel
CN106869017B (en) A kind of the precast assembly bridge pier-cushion cap node connection type and its practice of pier bottom setting flexible layer
CN202023366U (en) Tie bar structure applicable to cast-in-situ concrete columns
CN204252345U (en) The connecting structure of a kind of precast concrete plank and girder steel
CN101768916A (en) Lower flange improved corrugated steel web plate composite box girder and construction method thereof
CN103104091B (en) Sliding mold whole lifting platform and construction method
CN102926504B (en) Construction method of steel and concrete overlapped beam combined part
CN205777185U (en) A kind of full assembling concrete beam-type stair
CN106168054B (en) Connecting structure and its construction method with dry shaped connecting piece precast shear wall plate
CN105088937B (en) Hollow slab bridge with hinge joint having opposite grooves and building method of hollow slab bridge
CN204551241U (en) A kind of crack resistance type seamless bridge bridge abutment structure with X muscle

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model