CN102979221A - Shear wall structure configured with crossed slant internal prestress and construction method of shear wall structure - Google Patents

Shear wall structure configured with crossed slant internal prestress and construction method of shear wall structure Download PDF

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Publication number
CN102979221A
CN102979221A CN2012105185861A CN201210518586A CN102979221A CN 102979221 A CN102979221 A CN 102979221A CN 2012105185861 A CN2012105185861 A CN 2012105185861A CN 201210518586 A CN201210518586 A CN 201210518586A CN 102979221 A CN102979221 A CN 102979221A
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shear
oblique
prestressed
prestressing
corner
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CN102979221B (en
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李静斌
陈淮
葛素娟
高冰
张军锋
王艳
陈栋
熊红星
郝富增
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Zhengzhou University
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Zhengzhou University
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Abstract

The invention relates to a shear wall structure configured with crossed slant internal prestress. The shear wall structure comprises a shear wall body, horizontal steel bars of the shear wall body and vertical steel bars of the shear wall body, wherein a shear wall tooth plate and a prestress tension end anchor tool are respectively arranged at the left upper corner and the right upper corner of the shear wall body, prestress anchoring end anchor tools are respectively arranged at the left lower corner and the right lower corner of the shear wall body, and a crossed slant prestress steel beam and a crossed slant prestress pipeline are arranged between the prestress anchoring end anchor tool and the prestress tension end anchor tool at the opposite corners. A construction method of the structure comprises steps of shear wall template erection and binding of ordinary steel beams of the wall body; crossed slant prestress pipeline arrangement and installation; prestress steel beam penetration and prestress anchor tool installation; shear wall concrete casting and maintenance; and prestress tension, pipeline grouting and end part anchor sealing. The shear wall structure greatly improves the anti-seismic performance of the shear wall.

Description

A kind of shear wall structure and job practices thereof that disposes the oblique prestressing with bond of intersection
Technical field
The present invention relates to a kind of shear wall structure and job practices thereof that disposes the oblique prestressing with bond of intersection.
Background technology
Shear wall is the important component that bears vertical and horizontal loading in the Concrete Structures of Tall Building, and its stress and mechanical property have directly determined supporting capacity and the structural safety of highrise building.Shear wall is under the acting in conjunction of the horizontal loadings such as the vertical load such as dead load, Live Loads on Floors in Buildings and horizontal earthquake, wind load, with the principal tensile stress that produces along Shear Walls body plane diagonal.Because the action direction of horizontal loading can change because of the variation of wind direction, horizontal earthquake direction, so two diagonals of principal tensile stress on wall body plane all may occur.And in existing Design of Shear-wall Structure method, shear wall inside only disposes along the plain bars of wall body planar horizontal direction and vertical direction, and layout orientation and the principal tensile stress effect orientation of horizontal reinforcement and vertical reinforcing bar are all inconsistent, and power transmission is not direct.The shear wall concrete very easily occurs along the diagonal crack of wall body plane diagonal under the principal tensile stress effect, and will occur along with the reciprocal variation of horizontal loads direction along the intersection diagonal crack of two diagonals in wall body plane and gradually expansion.The diagonal crack that intersects expands to the Stiffness Deterioration that to a certain degree will cause afterwards shear wall, causes the reduction of shear wall supporting capacity.Under the rarely occurred earthquake effect, diagonal crack widths increases rapidly, and sharply the intersection diagonal crack of expansion has not only seriously reduced the rigidity of shear wall, also can cause place, crack level and vertical reinforcement yielding, finally will cause shear wall to lose efficacy, badly influence the bearing safety of highrise building.For delaying appearance and the expansion of Shear Walls body concrete intersection diagonal crack, in existing shear walls design method, to the horizontal reinforcement in the Shear Walls body and vertically the equal strict regulations of reinforcing bar minimum steel ratio and maximum rebar spacing, although improved to a certain extent ductility and the anti-seismic performance of shear wall structure, but eventually can not overcome the puzzlement that larger principal tensile stress causes wall body cracking, and reinforcing bar is densely distributed in the wall body, spacing is little, steel using amount is large, and the difficulty that can bring walls concrete to vibrate and construct.
Summary of the invention
The invention provides a kind of shear wall structure and job practices thereof that disposes the oblique prestressing with bond of intersection, improve the anti-seismic performance of shear wall.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of shear wall structure that disposes the oblique prestressing with bond of intersection, comprise the Shear Walls body, be provided with Shear Walls body horizontal direction reinforcing bar and Shear Walls body vertical direction reinforcing bar in the Shear Walls body, the upper left corner of Shear Walls body and the upper right corner arrange respectively the shear wall tooth plate, shear wall tooth plate place is provided with prestressing force pull end ground tackle, the lower left corner of Shear Walls body and the lower right corner arrange respectively prestressed anchor fixed end ground tackle, are provided with between the prestressed anchor fixed end ground tackle at diagonal angle and the prestressing force pull end ground tackle to intersect oblique prestressed strand and be arranged with the oblique prestress pipe of intersection outside the oblique prestressed strand of intersection; Shear Walls stature material is concrete, Shear Walls body horizontal direction reinforcing bar, Shear Walls body vertical direction reinforcing bar material are plain bars, the oblique prestressed strand that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestress pipe that intersects adopts metal bellows, conduit peschel or plastic film capicitor, and prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle adopt anchoring cone, bulb-end anchorage or intermediate plate anchor.
The oblique prestress pipe that intersects is retained in the Shear Walls body template, by with wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar between colligation be connected and guarantee that its riding position is accurate.
The oblique prestressed strand lashing that intersects is positioned in the oblique prestress pipe of intersection.
Prestressed anchor fixed end ground tackle is retained in the Shear Walls body template, is fixed on contiguous two corner positions in Shear Walls body bottom after shear wall concreting is finished.
The shear wall tooth plate is the slotted eye that contiguous two corner positions places reserve on Shear Walls body top, and the size of slotted eye is complementary with the prestressing force pull end ground tackle that adopts.
Prestressing force pull end ground tackle is placed in the shear wall tooth plate, treats that shear wall concreting is finished and maintenance is carried out prestressed stretch-draw during to stretch-draw intensity, after prestressed stretch-draw is finished in the shear wall tooth plate employing pea gravel concreten cementation of fissures sealing off and covering anchorage.
A kind of job practices that disposes the shear wall structure of the oblique prestressing with bond of intersection comprises following construction sequence:
(1) sets up shear wall formwork, colligation wall body plain bars
Set up the shear wall concrete blinding according to design size, comprise shear wall soffit formwork, side template, cheek board and shear wall tooth plate template, lay and colligation Shear Walls body plain bars, comprise wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar, be provided with side column such as this sheet shear wall, also should lay and colligation shear wall side column reinforcing bar;
(2) the oblique prestress pipe of intersection is arranged and is installed
Arrange the oblique prestress pipe of intersection along Shear Walls body diagonal, the oblique prestress pipe that intersects adopts metal bellows, conduit peschel or plastic film capicitor, diameter and designing requirement according to the design-calculated prestressed strand, select the prestress pipe of suitable diameter, prestress pipe should be connected with the colligation of wall body plain bars, guarantee the accurate positioning of pipeline, pipeline is installed and should be guaranteed that unimpeded, linear smooth-going, the joint in its inside connects closely;
(3) prestressed strand lashing, prestressed anchor are installed
In the oblique prestress pipe of intersection, carry out the prestressed strand lashing, the oblique prestressed strand that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestressed strand of intersection bottom prestressed anchored end ground tackle in the lower left corner and the lower right corner of Shear Walls body, the oblique prestressed strand of intersection top prestressed stretching end ground tackle in the upper left corner and the upper right corner of Shear Walls body, prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle adopts anchoring cone, bulb-end anchorage or intermediate plate anchor, the necessary position of anchorage installation is accurate, fixed, anchor plate must be mutually vertical with prestressed strand;
(4) shear wall concreting and maintenance
Build the shear wall concrete according to design grade, adopt immersion vibrator to carry out concrete vibrating, guarantee concrete compaction, guarantee the closely knit of anchor plate surrounding concrete, adopt the placement layer by layer mode when Shear Walls body is higher, adopt corresponding maintenance scheme according to the construction environment temperature and humidity after the concreting moulding;
(5) prestressed stretch-draw, pipeline pneumatic mortar, end sealing off and covering anchorage
The shear wall concrete curing is to the intensity that meets designing requirement, can carry out prestressed stretch-draw after the length of time, the prestressing force type is prestressing with bond, the prestressing force drawing process is post stretching, pre-stress stretching method is tensioned at one end, select suitable tensioning equipment according to the design-calculated degree of prestressing, intersect the synchronous grading tension of oblique prestressed strand to designing control stress for prestressing, tensioner is put Zhang Houjin line pipe road mud jacking, anchoring is carried out in stretching end prestressed strand termination, adopt at last pea gravel concreten that the end sealing off and covering anchorage is carried out at the tooth plate position.
Beneficial effect of the present invention is:
(1) principal tensile stress that vertically reaches in the Shear Walls body plane that the horizontal loading acting in conjunction causes is born by intersecting oblique prestressing with bond steel bundle, the principal tensile stress action direction is consistent with the oblique prestressing with bond Strands Layout direction of intersection, power transmission directly, succinctly, efficiently, greatly reduce the Shear Walls body and occur intersecting the possibility of diagonal crack along diagonal, improved the anti-side rigidity of shear wall;
(2) behind the oblique prestressing with bond steel bundle of configuration intersection, shear wall changes the partial prestressing reinforced concrete structure into by ordinary reinforced concrete structure, this kind structure wall body concrete under lasting design situation and frequently occurred earthquake design situation does not ftracture, shear wall rigidity is not degenerated, the shear wall supporting capacity does not reduce, and can satisfy the every designing requirement of shear wall under serviceability limit state and ultimate limit states;
(3) under the rarely occurred earthquake design situation, permission wall body concrete the crack occurs but crack width is no more than prescribed limits, the degeneration within reason of shear wall rigidity, the reduction within reason of shear wall supporting capacity can be guaranteed the bearing safety of shear wall structure under the rarely occurred earthquake effect;
The method for stretching of (4) the oblique prestressing with bond steel Shu Caiyong one end anchoring of intersection, tensioned at one end, anchored end is positioned at contiguous two corner positions in wall body bottom, stretching end is positioned at contiguous two corner positions in wall body top, after stretch-draw is finished tooth plate is carried out the end sealing off and covering anchorage, the shear wall top is a plane, can proceed the construction of last layer shear wall;
(5) the oblique prestressed strand of intersection can adopt high-strength prestressed steel wire bundle, steel wire bundle, the oblique prestress pipe that intersects can adopt metal bellows, conduit peschel, plastic film capicitor, prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle can adopt anchoring cone, bulb-end anchorage, intermediate plate anchor, above accessory is the typing specification product, and construction technology is ripe, construction technology is reliable, construction quality is easy to ensure;
(6) behind the oblique prestressing with bond steel bundle of configuration intersection, the plain bars of alternative a part of wall body horizontal direction and vertical direction, can reduce reinforcement ratio, the increase plain bars bar spacing of plain bars, be convenient to the concrete construction of vibrating of wall body, be conducive to improve wall body concrete construction quality.
Description of drawings
Fig. 1 is front view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 1;
Fig. 5 is the C-C sectional view of Fig. 1.
The specific embodiment
Embodiment: shown in Fig. 1-5, a kind of shear wall structure that disposes the oblique prestressing with bond of intersection, comprise Shear Walls body 1, be provided with Shear Walls body horizontal direction reinforcing bar 7 and Shear Walls body vertical direction reinforcing bar 8 in the Shear Walls body 1, the upper left corner of Shear Walls body 1 and the upper right corner arrange respectively shear wall tooth plate 2, shear wall tooth plate 2 places are provided with prestressing force pull end ground tackle 6, the lower left corner of Shear Walls body 1 and the lower right corner arrange respectively prestressed anchor fixed end ground tackle 5, are provided with the oblique prestressed strand 4 of intersection between the prestressed anchor fixed end ground tackle 5 at diagonal angle and the prestressing force pull end ground tackle 6 and are arranged with the oblique prestress pipe 3 of intersection in the oblique prestressed strand of intersection 4 outsides; Shear Walls body 1 material is concrete, Shear Walls body horizontal direction reinforcing bar 7, Shear Walls body vertical direction reinforcing bar 8 materials are plain bars, the oblique prestressed strand 4 that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestress pipe 3 that intersects adopts metal bellows, conduit peschel or plastic film capicitor, and prestressed anchor fixed end ground tackle 5, prestressing force pull end ground tackle 6 adopt anchoring cone, bulb-end anchorage or intermediate plate anchor.The oblique prestress pipe 3 that intersects is retained in the Shear Walls body template, by with wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar between colligation be connected and guarantee that its riding position is accurate.Prestressed anchor fixed end ground tackle 5 is retained in the Shear Walls body template, is fixed on contiguous two corner positions in Shear Walls body 1 bottom after shear wall concreting is finished.Shear wall tooth plate 2 is the slotted eye that contiguous two corner positions places reserve on Shear Walls body 1 top, and the size of slotted eye is complementary with the prestressing force pull end ground tackle 6 that adopts.Prestressing force pull end ground tackle 6 is placed in the shear wall tooth plate, treats that shear wall concreting is finished and maintenance is carried out prestressed stretch-draw during to stretch-draw intensity, after prestressed stretch-draw is finished in the shear wall tooth plate employing pea gravel concreten cementation of fissures sealing off and covering anchorage.
A kind of job practices that disposes the shear wall structure of the oblique prestressing with bond of intersection comprises following construction sequence:
(1) sets up shear wall formwork, colligation wall body plain bars
Set up the shear wall concrete blinding according to design size, comprise shear wall soffit formwork, side template, cheek board and shear wall tooth plate template, lay and colligation Shear Walls body plain bars, comprise wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar, be provided with side column such as this sheet shear wall, also should lay and colligation shear wall side column reinforcing bar;
(2) the oblique prestress pipe of intersection is arranged and is installed
Arrange the oblique prestress pipe of intersection along Shear Walls body diagonal, the oblique prestress pipe that intersects adopts metal bellows, conduit peschel or plastic film capicitor, diameter and designing requirement according to the design-calculated prestressed strand, select the prestress pipe of suitable diameter, prestress pipe should be connected with the colligation of wall body plain bars, guarantee the accurate positioning of pipeline, pipeline is installed and should be guaranteed that unimpeded, linear smooth-going, the joint in its inside connects closely;
(3) prestressed strand lashing, prestressed anchor are installed
In the oblique prestress pipe of intersection, carry out the prestressed strand lashing, the oblique prestressed strand that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestressed strand of intersection bottom prestressed anchored end ground tackle in the lower left corner and the lower right corner of Shear Walls body, the oblique prestressed strand of intersection top prestressed stretching end ground tackle in the upper left corner and the upper right corner of Shear Walls body, prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle adopts anchoring cone, bulb-end anchorage or intermediate plate anchor, the necessary position of anchorage installation is accurate, fixed, anchor plate must be mutually vertical with prestressed strand;
(4) shear wall concreting and maintenance
Build the shear wall concrete according to design grade, adopt immersion vibrator to carry out concrete vibrating, guarantee concrete compaction, guarantee the closely knit of anchor plate surrounding concrete, adopt the placement layer by layer mode when Shear Walls body is higher, adopt corresponding maintenance scheme according to the construction environment temperature and humidity after the concreting moulding;
(5) prestressed stretch-draw, pipeline pneumatic mortar, end sealing off and covering anchorage
The shear wall concrete curing is to the intensity that meets designing requirement, can carry out prestressed stretch-draw after the length of time, the prestressing force type is prestressing with bond, the prestressing force drawing process is post stretching, pre-stress stretching method is tensioned at one end, select suitable tensioning equipment according to the design-calculated degree of prestressing, intersect the synchronous grading tension of oblique prestressed strand to designing control stress for prestressing, tensioner is put Zhang Houjin line pipe road mud jacking, anchoring is carried out in stretching end prestressed strand termination, adopt at last pea gravel concreten that the end sealing off and covering anchorage is carried out at the tooth plate position.
The present invention is in the wall body of traditional common shear wall structure, two diagonals along wall body plane, each disposes one group of prestressing with bond steel bundle, these two groups of prestressing with bond steel bundles are diagonal and intersect oblique layout orientation in wall body plane, can directly bear and transmit the principal tensile stress in vertical and the wall body that the horizontal loading acting in conjunction causes.Intersect the existence of oblique prestressing with bond steel bundle, make shear wall change the partial prestressing reinforced concrete structure into by ordinary reinforced concrete structure, by applying suitable prestressing force, make wall body concrete under lasting design situation and frequently occurred earthquake design situation, be in all the time pressured state, can guarantee that wall body concrete does not ftracture under wind load and fortification intensity geological process; Under the rarely occurred earthquake effect, because principal tensile stress is mainly born by the oblique prestressing with bond steel bundle of intersection, therefore even wall body concrete the crack occurs but crack width can not surpass the limit value of regulation, guarantee the degeneration within reason of shear wall rigidity thereby play, the effect of load-carrying properties reduction within reason has ensured the bearing safety of highrise building under the rarely occurred earthquake effect.Intersect the existence of oblique prestressing with bond steel bundle, also can reduce in the wall body horizontal reinforcement and the vertical reinforcement ratio of reinforcing bar, reduce the vibrate difficulty of construction of walls concrete, improved the construction quality of walls concrete.

Claims (6)

1. one kind is disposed and intersects the shear wall structure of oblique prestressing with bond, it is characterized in that: comprise the Shear Walls body, be provided with Shear Walls body horizontal direction reinforcing bar and Shear Walls body vertical direction reinforcing bar in the Shear Walls body, the upper left corner of Shear Walls body and the upper right corner arrange respectively the shear wall tooth plate, shear wall tooth plate place is provided with prestressing force pull end ground tackle, the lower left corner of Shear Walls body and the lower right corner arrange respectively prestressed anchor fixed end ground tackle, are provided with between the prestressed anchor fixed end ground tackle at diagonal angle and the prestressing force pull end ground tackle to intersect oblique prestressed strand and be arranged with the oblique prestress pipe of intersection outside the oblique prestressed strand of intersection; Shear Walls stature material is concrete, Shear Walls body horizontal direction reinforcing bar, Shear Walls body vertical direction reinforcing bar material are plain bars, the oblique prestressed strand that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestress pipe that intersects adopts metal bellows, conduit peschel or plastic film capicitor, and prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle adopt anchoring cone, bulb-end anchorage or intermediate plate anchor.
2. configuration according to claim 1 intersects the shear wall structure of oblique prestressing with bond, it is characterized in that: the oblique prestress pipe that intersects is retained in the Shear Walls body template, by with wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar between colligation be connected and guarantee that its riding position is accurate.
3. configuration according to claim 2 intersects the shear wall structure of oblique prestressing with bond, it is characterized in that: prestressed anchor fixed end ground tackle is retained in the Shear Walls body template, is fixed on contiguous two corner positions in Shear Walls body bottom after shear wall concreting is finished.
4. each described configuration intersects the shear wall structure of oblique prestressing with bond according to claim 1-3, it is characterized in that: the slotted eye that the shear wall tooth plate is reserved for the contiguous two corner positions places on Shear Walls body top, the size of slotted eye is complementary with the prestressing force pull end ground tackle that adopts.
5. configuration according to claim 4 intersects the shear wall structure of oblique prestressing with bond, it is characterized in that: prestressing force pull end ground tackle is placed in the shear wall tooth plate, treat that shear wall concreting is finished and maintenance is carried out prestressed stretch-draw during to stretch-draw intensity, after prestressed stretch-draw is finished in the shear wall tooth plate employing pea gravel concreten cementation of fissures sealing off and covering anchorage.
6. one kind is disposed and intersects the job practices of shear wall structure of oblique prestressing with bond, it is characterized in that: comprise following construction sequence:
(1) sets up shear wall formwork, colligation wall body plain bars
Set up the shear wall concrete blinding according to design size, comprise shear wall soffit formwork, side template, cheek board and shear wall tooth plate template, lay and colligation Shear Walls body plain bars, comprise wall body horizontal direction reinforcing bar, wall body vertical direction reinforcing bar, be provided with side column such as this sheet shear wall, also should lay and colligation shear wall side column reinforcing bar;
(2) the oblique prestress pipe of intersection is arranged and is installed
Arrange the oblique prestress pipe of intersection along Shear Walls body diagonal, the oblique prestress pipe that intersects adopts metal bellows, conduit peschel or plastic film capicitor, diameter and designing requirement according to the design-calculated prestressed strand, select the prestress pipe of suitable diameter, prestress pipe should be connected with the colligation of wall body plain bars, guarantee the accurate positioning of pipeline, pipeline is installed and should be guaranteed that unimpeded, linear smooth-going, the joint in its inside connects closely;
(3) prestressed strand lashing, prestressed anchor are installed
In the oblique prestress pipe of intersection, carry out the prestressed strand lashing, the oblique prestressed strand that intersects adopts high-strength prestressed steel wire bundle or steel wire bundle, the oblique prestressed strand of intersection bottom prestressed anchored end ground tackle in the lower left corner and the lower right corner of Shear Walls body, the oblique prestressed strand of intersection top prestressed stretching end ground tackle in the upper left corner and the upper right corner of Shear Walls body, prestressed anchor fixed end ground tackle, prestressing force pull end ground tackle adopts anchoring cone, bulb-end anchorage or intermediate plate anchor, the necessary position of anchorage installation is accurate, fixed, anchor plate must be mutually vertical with prestressed strand;
(4) shear wall concreting and maintenance
Build the shear wall concrete according to design grade, adopt immersion vibrator to carry out concrete vibrating, guarantee concrete compaction, guarantee the closely knit of anchor plate surrounding concrete, adopt the placement layer by layer mode when Shear Walls body is higher, adopt corresponding maintenance scheme according to the construction environment temperature and humidity after the concreting moulding;
(5) prestressed stretch-draw, pipeline pneumatic mortar, end sealing off and covering anchorage
The shear wall concrete curing is to the intensity that meets designing requirement, can carry out prestressed stretch-draw after the length of time, the prestressing force type is prestressing with bond, the prestressing force drawing process is post stretching, pre-stress stretching method is tensioned at one end, select suitable tensioning equipment according to the design-calculated degree of prestressing, intersect the synchronous grading tension of oblique prestressed strand to designing control stress for prestressing, tensioner is put Zhang Houjin line pipe road mud jacking, anchoring is carried out in stretching end prestressed strand termination, adopt at last pea gravel concreten that the end sealing off and covering anchorage is carried out at the tooth plate position.
CN201210518586.1A 2012-12-06 2012-12-06 Shear wall structure configured with crossed slant internal prestress and construction method of shear wall structure Expired - Fee Related CN102979221B (en)

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Cited By (7)

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CN104264725A (en) * 2014-09-02 2015-01-07 杭永山 Post-tensioning prestressing reinforcement method for preventing lock chamber wall from cracking
CN104294965A (en) * 2014-10-17 2015-01-21 浙江大学宁波理工学院 Shear wall and construction method thereof
CN104314313A (en) * 2014-11-06 2015-01-28 中国海洋石油总公司 Concrete external wall prestress system establishment method
CN105133726A (en) * 2015-09-25 2015-12-09 郑州大学 Assembled monolithic concrete frame structure system and frame shear structure system formed by assembled monolithic concrete frame structure system
CN110409664A (en) * 2019-07-24 2019-11-05 中国十七冶集团有限公司 A kind of pre-stressed steel plate concrete shear wall structure
CN110595728A (en) * 2019-09-02 2019-12-20 中国航空工业集团公司沈阳飞机设计研究所 Pre-stress technology-based flutter model and design method thereof
CN110878609A (en) * 2019-12-03 2020-03-13 上海宝冶集团有限公司 Construction method of unbonded prestressed waffle slab

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US7140155B1 (en) * 2003-09-15 2006-11-28 Robert Nasimov Joints for constructing a shear wall
CN100999920A (en) * 2007-01-05 2007-07-18 北京工业大学 Tricontrolling type hiding spar concrete composite shear wall and mfg. method thereof
CN202990170U (en) * 2012-12-06 2013-06-12 郑州大学 Shear wall structure collocating cross oblique internal prestress

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CN1455063A (en) * 2002-04-30 2003-11-12 邱则有 Shear wall module
US7140155B1 (en) * 2003-09-15 2006-11-28 Robert Nasimov Joints for constructing a shear wall
CN1804264A (en) * 2006-01-18 2006-07-19 北京工业大学 Profiled short-pier shear wall with rung steel bar support
CN100999920A (en) * 2007-01-05 2007-07-18 北京工业大学 Tricontrolling type hiding spar concrete composite shear wall and mfg. method thereof
CN202990170U (en) * 2012-12-06 2013-06-12 郑州大学 Shear wall structure collocating cross oblique internal prestress

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104264725A (en) * 2014-09-02 2015-01-07 杭永山 Post-tensioning prestressing reinforcement method for preventing lock chamber wall from cracking
CN104294965A (en) * 2014-10-17 2015-01-21 浙江大学宁波理工学院 Shear wall and construction method thereof
CN104294965B (en) * 2014-10-17 2017-02-01 浙江大学宁波理工学院 Shear wall and construction method thereof
CN104314313A (en) * 2014-11-06 2015-01-28 中国海洋石油总公司 Concrete external wall prestress system establishment method
CN105133726A (en) * 2015-09-25 2015-12-09 郑州大学 Assembled monolithic concrete frame structure system and frame shear structure system formed by assembled monolithic concrete frame structure system
CN110409664A (en) * 2019-07-24 2019-11-05 中国十七冶集团有限公司 A kind of pre-stressed steel plate concrete shear wall structure
CN110595728A (en) * 2019-09-02 2019-12-20 中国航空工业集团公司沈阳飞机设计研究所 Pre-stress technology-based flutter model and design method thereof
CN110595728B (en) * 2019-09-02 2021-07-09 中国航空工业集团公司沈阳飞机设计研究所 Pre-stress technology-based flutter model and design method thereof
CN110878609A (en) * 2019-12-03 2020-03-13 上海宝冶集团有限公司 Construction method of unbonded prestressed waffle slab

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