CN103850363A - Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall - Google Patents
Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall Download PDFInfo
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- CN103850363A CN103850363A CN201410088737.3A CN201410088737A CN103850363A CN 103850363 A CN103850363 A CN 103850363A CN 201410088737 A CN201410088737 A CN 201410088737A CN 103850363 A CN103850363 A CN 103850363A
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 54
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention provides a prefabricated through hole assembly type reinforced concrete shear wall and a construction method of the prefabricated through hole assembly type reinforced concrete shear wall. A plurality of vertical through holes are formed in a wall body, a plurality of movably connected vertical steel bars are respectively arranged in each through hole, the upper ends of the vertical steel bars are higher than the wall body, the lower ends of the vertical steel bars are connected with the steel bars of the lower layer shear wall, and the bottom end of the wall body is provided with support feet. The vertical steel bars are movably connected in the through holes of the shear wall, and when the steel bars of the upper and lower layers of shear wall are connected, the joint position is adjustable in the vertical direction, so the mutual staggering of the adjacent vertical steel bar joints can be conveniently ensured, the installation quality is enabled to conform to national relevant standards, the concrete casting and the steel bar connection in the through holes can be constructed according to the traditional cast-in-plate reinforced concrete process, the construction difficulty is reduced, and the engineering quality is improved.
Description
Technical field
The invention provides the assembled steel reinforced concrete shear force wall of a kind of prefabricated through hole and construction method thereof.
Background technology
Prefabricated solid assembled steel reinforced concrete shear force wall in the past, the sleeve being connected with lower floor shear force wall reinforcing steel bar is all embedded in the body of wall bottom of upper strata shear wall, so levels vertical reinforcement all adopts sleeve grouting to connect at same absolute altitude, its structure can not meet the relevant regulations in national existing technical specification and standard:
1, " Code for design of concrete structures GB50010--2010 " 8.4.7 bar " mechanical connecting joint of Reinforcement should stagger mutually ", " the longitudinal tensile bar splice area percentage that is positioned at same jointing should not be greater than 50% ".
2, the 4th section of " Code for design of concrete structures GB50010--2010 " 11.1.7 article " Reinforcement jointing should be avoided beam-ends, styletable hoop reinforcement; As must be, in the time that this connects, adopted mechanical connection or welding ", the 5th section " the Reinforcement joint area percentage that concrete component is positioned at same jointing should not exceed 50% ".
3, " Concrete Structures of Tall Building designing technique code JGJ3--2010 " the 3rd section of 7.2.20 article " in sleeper and newel post, longitudinal reinforcement connection should be identical with frame column with anchoring requirement, should meet the pertinent regulations of Section 6.5 of this code ".
4, " Concrete Structures of Tall Building designing technique code JGJ3--2010 " the 5th section of 6.5.3 article " the tensile reinforcement joint area percentage that is positioned at same jointing should not exceed 50% ", the 6th section " in the time that joint location cannot be avoided beam-ends, styletable hoop reinforcement; should adopt and meet the mechanical connecting joint that equal strength requires, and bar splice area percentage should not exceed 50% ".
Prefabricated solid assembled steel reinforced concrete shear force wall is in the past in work progress, first install the shear wall of lower floor, complete after the horizontal system operation of beam slab, the reserved steel bar again sleeve of upper strata shear wall being stretched out from beam slab upper surface with lower floor shear wall is connected, its quality control error is within the scope of grade, very high to required precision, but in practice of construction process, store, transport and build in the process of beam slab and all inevitably the reserved reinforcing bar of precast shear wall is caused to disturbance, cause reinforcing bar distortion and be infected with concrete, so upper, before lower floor's shear wall connects, need to carry out investigating by root to reinforcing bar, reinforcing bar to distortion carries out correct detection, high efficient injection slurry because of what pour in sleeve, must process being infected with concrete underproof reinforcing bar, not only increase workload, its difficulty of construction is also large, require very high to workman's technical level, the difficulty of installation quality control is increased.
Summary of the invention
The object of this invention is to provide the assembled steel reinforced concrete shear force wall of a kind of prefabricated through hole and construction method thereof, use shear wall and the construction method thereof of this technology, in the time that the vertical reinforcement of upper and lower story shear wall connects, can easily realize adjacent vertical reinforcement joint location staggers mutually, reduce the difficulty of construction of fabricated shear wall, improve workmanship.
Technical scheme of the present invention is: the assembled steel reinforced concrete shear force wall of prefabricated through hole, there is the body of wall of steel concrete, it is characterized in that: in body of wall, be provided with some vertical through holes, the vertical reinforcement of some flexible connections is housed respectively in each through hole, the upper end of vertical reinforcement is higher than body of wall, and the lower end of vertical reinforcement is connected with the reinforcing bar of lower floor's shear wall.The bottom of body of wall is provided with leg.
The assembled steel reinforced concrete shear force wall of prefabricated through hole becomes the construction method of wall, it is characterized in that comprising the following steps:
The first step: the wall body construction of making the assembled steel reinforced concrete shear force wall of prefabricated through hole;
Second step: assembling:
1., first the wall body construction of shear wall is winched to installation position, lower floor's shear wall top, vertical reinforcement is packed in the through hole of shear wall body member, vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding, or by first vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding, after connection, again vertical reinforcement is inserted in the through hole of shear wall body member;
2., to there being the wall body construction of leg, the cavity both sides fixed support template being formed by leg in body of wall bottom; To the wall body construction without leg, directly enter next step;
3., from through hole upper end to through hole in concreting, be solidified into wall.
Advantage of the present invention is: when mounted, because vertical reinforcement is to be flexibly connected in the through hole of shear wall, when the reinforcing bar of upper and lower story shear wall connects, joint location is vertically adjustable up and down, so can easily ensure that adjacent vertical reinforcement joint location staggers mutually, guarantee that its installation quality meets national relevant criterion, reinforcing bar in through hole connects and concreting all can be by the construction technology of traditional cast-in-situ steel reinforced concrete, ratio form of construction work in the past, reduce difficulty of construction, improved workmanship.Form of construction work is in the past in sleeve, to pour into high efficient injection slurry, and grout material requires on reinforcing bar residual without concrete, need to carry out by root investigation, cleaning reinforcing bar.
Brief description of the drawings
Fig. 1 is the structural representation of the assembled steel reinforced concrete shear force wall of the prefabricated through hole of the present invention;
Fig. 2 is the top view of Fig. 1;
The wall body construction schematic diagram of the assembled steel reinforced concrete shear force wall of the prefabricated through hole of Fig. 3 the present invention;
Fig. 4 is the A-A sectional drawing of Fig. 3;
Fig. 5 is the cast-in-situ concrete position schematic diagram of the assembled steel reinforced concrete shear force wall of the prefabricated through hole of the present invention;
Fig. 6 is the cross sectional shape schematic diagram of the through hole of the assembled steel reinforced concrete shear force wall of the prefabricated through hole of the present invention;
Fig. 7 is the prefabricated through hole of the present invention assembled steel reinforced concrete shear force wall hole end and the solution schematic diagram of cast-in-place end to hole and cast-in-place node;
Fig. 8 is the vertical reinforcement connection diagram of the assembled steel reinforced concrete shear force wall of the prefabricated through hole of the present invention;
The vertical reinforcement connection diagram of the original technology reinforced concrete shear wall of Fig. 9;
Figure 10 is the schematic diagram of the prefabricated solid assembled steel reinforced concrete shear force wall of original technology;
Figure 11 is the B-B sectional drawing of Figure 10.
The reinforcing bar of 1 body of wall, 2 through holes, 3 vertical reinforcements, 4 steel ties, 5 horizontal reinforcements, 6 joints, 7 legs, 8 beam slabs, 9 lower floor's shear walls, 10 cavitys, 11 lower floor's shear walls, 12 holes, the cast-in-place node of 13 yi word pattern, the cast-in-place node of 14L type, 15 cross cast-in-place nodes, the cast-in-place node of 16T type, 17 prior art shear walls in figure.
Detailed description of the invention
The assembled steel reinforced concrete shear force wall of prefabricated through hole, there is the body of wall 1 of steel concrete, as shown in Figure 4, horizontal reinforcement 5 in wall reinforcement extends to outside body of wall, horizontal reinforcement sponson is used for cast-in-place node arrangement of reinforcement between adjacent shear wall and uses, in described body of wall, be provided with some vertical through holes 2, as shown in Figure 6, the cross section of through hole can be positive circle, oval, the single shape such as round rectangle, also can be the composite figure of above-mentioned shape, the vertical reinforcement 3 of some flexible connections is housed respectively in each through hole, each vertical reinforcement is connected by steel tie 4, the upper end of vertical reinforcement is higher than body of wall, the lower end of the vertical reinforcement in the shear wall body member through-hole of upper strata is connected with the reinforcing bar 11 of lower floor's shear wall, method of attachment adopts the conventional overlap joint of construction work or the mode of mechanical connection or welding.
The bottom of body of wall is provided with leg 7.Leg can make body of wall and beam slab leave body of wall bottom cavity 10, and after concreting in through hole, this body of wall bottom cavity can be used as the position of macroscopic examination, the convenient quality that checks cast-in-situ concrete;
The construction method of the assembled steel reinforced concrete shear force wall of prefabricated through hole, comprises the following steps:
The first step: the wall body construction of making the assembled steel reinforced concrete shear force wall of prefabricated through hole; Horizontal steel bar in wall body construction meets Design of Shear-wall Structure requirement, and after installing, the main muscle of level does not need other configuration in member, the conditional requests such as meanwhile, its arrangement of reinforcement checking computation results can meet lifting component, deposits, transport;
Second step: assembling:
1, first the wall body construction of shear wall is winched to installation position, vertical reinforcement is packed in the through hole of shear wall body member, vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding; Another kind of mode is: by first vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding, then vertical reinforcement is inserted in the through hole of shear wall body member;
2,, to there being the wall body construction of leg, the cavity 10 both sides fixed support templates that are made up of leg in body of wall bottom, prevent that concrete is excessive; To the wall body construction without leg, directly enter next step;
3, concreting in from through hole upper end to through hole, is solidified into wall.
When being located at reinforcing bar that reinforcing bar in through hole stretches out beam slab 8 with lower floor shear wall 9 and being connected, its joint 6 positions can be selected in the vertical range of vertical reinforcement, stagger mutually in the connector position that ensures adjacent each group of vertical reinforcement, meet the requirement of national existing technical specification and standard, make its structural performance reliable.Meanwhile, also can lay the members such as penetration pipe in through hole, flexible function is suitable for.Reinforcing bar in through hole connects and concreting all can, by the construction technology of traditional cast-in-situ steel reinforced concrete, reduce difficulty of construction, and quality is easily controlled.
The horizontal termination of the assembled steel reinforced concrete shear force wall of prefabricated through hole of the present invention (calling shear wall in the following text) provides two schemes, is located at the cast-in-place end of shear wall body and the adjacent one end of cast-in-place node and the hole end with 12 adjacent one end, hole:
Cast-in-place end is used for the use that is connected with cast-in-place node.Cast-in-place node is identical with the structure of prior art, build carrying out node after horizontal reinforcement participation arrangement of reinforcement reserved two groups of adjacent shear walls, can meet as shown in Figure 7 the integral installation construction requirement of the cast-in-place node 13 of yi word pattern, the cast-in-place node 14 of L-type, T-shaped cast-in-place node 15, cross cast-in-place node 16.
Hole end is solid concrete, and the vertical reinforcement of levels shear wall connects the grouting of employing sleeve and connects, and after installing, member hole end Vertical Reinforcement does not need other configuration; Meeting when mounted shear wall has hole end, needs the vertical reinforcement that only has hole end of high-precision correction, compares compared with whole vertical reinforcements being carried out to high-precision correction in conventional art, has reduced workload, has reduced difficulty of construction, makes quality become easy control.
Non-hole end Vertical Reinforcement is described vertical reinforcement, can meet Design of Shear-wall Structure requirement, utilize prefabricated units to take out hole arrangement of cavities vertical reinforcement and steel tie thereof, reinforcing bar connects the mode that can adopt overlap joint or mechanical connection or welding, meets national existing technical specification and standard and staggers and area ratio requirement about bar splice position.
The shear wall of this technology simultaneously, because having through hole, weight reduction, establishes long 1.8 meters, thick 0.2 meter, high 2.5 meters of shear wall, and its deadweight is 2.25 tons; Prefabricated solid shear wall member dead weight is large, and the full cast-in-place construction project of tradition is generally used the Lifting Capacity of crane to be difficult to meet the demands now, needs the crane of the larger Lifting Capacity of buying separately for completing this type of project construction, increases investment.And the assembled steel reinforced concrete shear force wall of the prefabricated through hole of the present invention of same size, take out positive circular nine holes, lower end band leg, through-hole diameter is 140mm, the leg at two ends is wide is 130mm, and leg height is 100mm, and the deadweight of wall body construction is 1.31 tons, 58 ﹪ that only have solid component deadweight, can reduce hoisting cost.
It is wide that the assembled steel reinforced concrete shear force wall of prefabricated through hole of the present invention is suitable for the scope of application, is applicable to the highrise building of shear wall structure, little high level and the multistory building of short-shear wall structure, meets industrialized development direction, practical.
Claims (3)
1. the assembled steel reinforced concrete shear force wall of prefabricated through hole, there is the body of wall of steel concrete, it is characterized in that: in body of wall, be provided with some vertical through holes, the vertical reinforcement of some flexible connections is housed respectively in each through hole, the upper end of vertical reinforcement is higher than body of wall, and the lower end of vertical reinforcement is connected with the reinforcing bar of lower floor's shear wall.
2. the assembled steel reinforced concrete shear force wall of prefabricated through hole according to claim 1, is characterized in that: the bottom of body of wall is provided with leg.
3. the construction method of the assembled steel reinforced concrete shear force wall of prefabricated through hole, is characterized in that comprising the following steps:
The first step: the wall body construction of making the assembled steel reinforced concrete shear force wall of prefabricated through hole;
Second step: assembling:
1., first the wall body construction of shear wall is winched to installation position, lower floor's shear wall top, vertical reinforcement is packed in the through hole of shear wall body member, vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding, or by first vertical reinforcement lower end and lower floor's shear force wall reinforcing steel bar overlap joint or mechanical connection or welding, after connection, again vertical reinforcement is inserted in the through hole of shear wall body member;
2., to there being the wall body construction of leg, the cavity both sides fixed support template being formed by leg in body of wall bottom; To the wall body construction without leg, directly enter next step;
3., from through hole upper end to through hole in concreting, be solidified into wall.
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| CN201410088737.3A CN103850363B (en) | 2014-03-11 | 2014-03-11 | Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall |
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| CN201410088737.3A CN103850363B (en) | 2014-03-11 | 2014-03-11 | Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall |
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| CN201410764313.4A Division CN104453013A (en) | 2014-03-11 | 2014-03-11 | Prefabricated wall component and fabricated reinforced concrete shear wall |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234268A (en) * | 2014-07-02 | 2014-12-24 | 山东万斯达建筑工业化研究院有限公司 | Prefabricated row type shear wall |
| CN106245817A (en) * | 2016-09-20 | 2016-12-21 | 中国建筑第七工程局有限公司 | A kind of fabricated shear wall vertical connection structure and installation method thereof |
| CN107165268A (en) * | 2017-07-10 | 2017-09-15 | 岳阳远大住宅工业有限公司 | The band double steel bar connecting structure system of heat insulation prefabricated shear wall |
| CN107254933A (en) * | 2017-07-17 | 2017-10-17 | 广东省建科建筑设计院有限公司 | The high-rise single through hole precast shear wall of assembled and its assembling structure and construction method |
| CN107762001A (en) * | 2017-11-07 | 2018-03-06 | 姚伟华 | A kind of assembly concrete variable cross-section newel post type shearing wall member and its construction method |
| CN108277998A (en) * | 2018-04-04 | 2018-07-13 | 四川森宇建筑工程有限公司 | A kind of concrete strengthening wall body structure |
| CN108643392A (en) * | 2018-04-28 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of assembly concrete shear wall with cavity |
| CN108729591A (en) * | 2018-05-22 | 2018-11-02 | 吉林建筑大学 | Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar |
| CN109024875A (en) * | 2018-07-24 | 2018-12-18 | 山东建筑大学 | A kind of assembled integral concrete component and construction method |
| CN110468998A (en) * | 2019-08-09 | 2019-11-19 | 中南大学 | A kind of assembled RC shear wall structure connected horizontally and its construction method |
| CN111255163A (en) * | 2020-03-16 | 2020-06-09 | 建研科技股份有限公司 | A restraint steel pipe overlap joint structure for prefabricating vertical member |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234268A (en) * | 2014-07-02 | 2014-12-24 | 山东万斯达建筑工业化研究院有限公司 | Prefabricated row type shear wall |
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| CN106245817A (en) * | 2016-09-20 | 2016-12-21 | 中国建筑第七工程局有限公司 | A kind of fabricated shear wall vertical connection structure and installation method thereof |
| CN107165268A (en) * | 2017-07-10 | 2017-09-15 | 岳阳远大住宅工业有限公司 | The band double steel bar connecting structure system of heat insulation prefabricated shear wall |
| CN107254933A (en) * | 2017-07-17 | 2017-10-17 | 广东省建科建筑设计院有限公司 | The high-rise single through hole precast shear wall of assembled and its assembling structure and construction method |
| CN107762001A (en) * | 2017-11-07 | 2018-03-06 | 姚伟华 | A kind of assembly concrete variable cross-section newel post type shearing wall member and its construction method |
| CN108277998A (en) * | 2018-04-04 | 2018-07-13 | 四川森宇建筑工程有限公司 | A kind of concrete strengthening wall body structure |
| CN108643392A (en) * | 2018-04-28 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of assembly concrete shear wall with cavity |
| CN108729591A (en) * | 2018-05-22 | 2018-11-02 | 吉林建筑大学 | Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar |
| CN108729591B (en) * | 2018-05-22 | 2020-05-01 | 吉林建筑大学 | Positioning device and positioning method for vertically distributed connecting steel bars of round hole plate shear wall |
| CN109024875A (en) * | 2018-07-24 | 2018-12-18 | 山东建筑大学 | A kind of assembled integral concrete component and construction method |
| CN110468998A (en) * | 2019-08-09 | 2019-11-19 | 中南大学 | A kind of assembled RC shear wall structure connected horizontally and its construction method |
| CN111255163A (en) * | 2020-03-16 | 2020-06-09 | 建研科技股份有限公司 | A restraint steel pipe overlap joint structure for prefabricating vertical member |
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Effective date of registration: 20150123 Address after: 132013 Jilin City, Jilin Province, the main street, Huaqiang Building, room 1403, room 9, No. Applicant after: Zhao Chunqiao Address before: 1203, room 132000, building 11, Vietnam Road, Jilin, Jilin Applicant before: Zhu Tong |
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Effective date of registration: 20170428 Address after: 132011 Jilin economic and Technological Development Zone, Jilin Province, No. 36 new street, No. Patentee after: JILIN SENHUANG ARCHITECTURAL MATERIAL GROUP CO.,LTD. Address before: 132013 Jilin City, Jilin Province, the main street, Huaqiang Building, room 1403, room 9, No. Patentee before: Zhao Chunqiao |
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Denomination of invention: Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall Effective date of registration: 20180410 Granted publication date: 20150225 Pledgee: Jilin small and medium enterprise credit guarantee Group Co.,Ltd. Pledgor: JILIN SENHUANG ARCHITECTURAL MATERIAL GROUP CO.,LTD. Registration number: 2018220000010 |
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Date of cancellation: 20200416 Granted publication date: 20150225 Pledgee: Jilin small and medium enterprise credit guarantee Group Co.,Ltd. Pledgor: JILIN SENHUANG ARCHITECTURAL MATERIAL GROUP Co.,Ltd. Registration number: 2018220000010 |
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Denomination of invention: Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall Effective date of registration: 20200511 Granted publication date: 20150225 Pledgee: Jilin SME Financing Guarantee Group Co.,Ltd. Pledgor: JILIN SENHUANG ARCHITECTURAL MATERIAL GROUP Co.,Ltd. Registration number: Y2020220000032 |
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Denomination of invention: Construction method of prefabricated reinforced concrete shear wall with through hole Effective date of registration: 20210329 Granted publication date: 20150225 Pledgee: Jilin SME Financing Guarantee Group Co.,Ltd. Pledgor: JILIN SENHUANG ARCHITECTURAL MATERIAL GROUP Co.,Ltd. Registration number: Y2021220000027 |
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