CN105421245A - Cap beam no-support steel hoop construction technology - Google Patents
Cap beam no-support steel hoop construction technology Download PDFInfo
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- CN105421245A CN105421245A CN201510955316.0A CN201510955316A CN105421245A CN 105421245 A CN105421245 A CN 105421245A CN 201510955316 A CN201510955316 A CN 201510955316A CN 105421245 A CN105421245 A CN 105421245A
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- steel hoop
- bent cap
- pier stud
- steel
- construction technology
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a cap beam no-support steel hoop construction technology which comprises the steps of steel hoop mechanical experimentation, construction preparation, steel hoop installation, pier stud top chiseling, staking out in survey, manufacturing and installation of a formwork support and a bottom formwork, reinforcing steel bar manufacturing, transportation and installation, side formwork installation, concrete pouring and maintenance, support dismantling and the like. By the adoption of the cap beam no-support steel hoop construction technology, the original steel hoop advantages that construction is convenient, no damage is produced to a pier stud and steel materials can be repeatedly utilized are achieved, meanwhile, the safety risk is lowered, and practicability is higher.
Description
Technical field
The present invention relates to bridge construction field, particularly bent cap is without support steel hoop method construction technology.
Technical background
Construction method of bent cap comprises the several methods such as floor stand method, built-in fitting method, pre-buried rod iron method and steel hoop method, for reaching quick, safety, high-quality requirement, need construction environment, different pier stud pattern and the bent cap feature different according to job site above-mentioned several method be carried out conscientiously than choosing.
Wherein, steel hoop method is exactly when Coping Construction, steel band on pier stud is stuck in two sections of semi-circular steel bands, and in two ends weldering with bracket, by cross beam frame on overhanging bracket, the upper load utilizing the frictional force bearing cross beam transmission of steel band and pier stud to get off, comprises bent cap deadweight, template deadweight, working load etc.
In actual applications, steel hoop has easy construction, and to the harmless feature of pier stud, and steel can reuse, cost-saving; But it is low to there is safety factor in existing Hold Hoop method construction technology, the shortcoming that security risk is large.
In view of the defect that above-mentioned existing Hold Hoop method construction technology exists, the present inventor is based on being engaged in this type of product engineering application practical experience abundant for many years and professional knowledge, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of bent cap without support steel hoop method construction technology, it is made to have more practicality.
Summary of the invention
Bent cap is provided without support steel hoop method construction technology in the present invention, meeting the original easy construction of steel hoop, harmless to pier stud, and while the steel advantage that can reuse, reduce full blast danger, have more practicality.
The technical scheme that the present invention takes is: bent cap, without support steel hoop method construction technology, is characterized in that, comprises the following steps:
A, steel hoop mechanical test: steel hoop is loaded on test pier stud, bracket is loaded, the displacement situation of record steel hoop on test pier stud;
B, preparation of construction: return according to the design elevation of bent cap and calculate the accurate location of steel hoop at pier stud;
C, steel hoop are installed: according to the accurate location in step B, adopt high-strength bolt to install to the steel hoop of pass the test in steps A;
D, pier stud top dabbing: after the concrete of pier stud reaches more than 75% of design strength, dabbing process is carried out to pier stud top;
E, surveying and locating: the foundation using setting-out result as mounting cover beam bottom board;
The manufacture and installation of F, falsework, bed die: lift sandbox and girder after installation form support, after connecting girder, arranges transverse distribution beam, mounting cover beam bottom board lay the lumps of wood above transverse distribution beam after with spaced tie-beam;
The making of G, reinforcing bar, transport and install: mounting cover beam steel, attention bearing pad stone and block reinforcing bar pre-buried;
H, installation side form: after the acceptance(check) of bent cap reinforcement installation, mounting cover beam side;
I, concrete pouring & maintenance: concrete continuous is poured into, horizontal slice, one-shot forming, and adopts immersion vibrator to vibrate;
After pouring concrete, immediately by surface covered rearing with plastic film, water seasoning;
The dismounting of J, template and support: when bent cap concrete crushing strength reaches 3.0Mpa, and when ensureing not reason form removal and be damaged, removable cover side template.
Further, steel hoop comprises two blocks of semicircular arc steel plates, and bracket is separately positioned on two pieces of circular arc steel plate two ends.
Further, the thick 16mm of steel hoop steel plate, high 720mm, the thick 20mm of anchor ear bracket steel plate.
Further, high-strength bolt is the high-strength bolt of 10.9 grades of M24, and every side bracket adopts 12 high-strength bolts, and point two row are arranged.
Further, in the process of multistage loadings, the load of every grade is set to 5t.
Further, the content that in step e, pier stud is measured comprises: pier stud center position measurement and column crest level are measured; Pier stud center is measured and is adopted total powerstation to measure; The measurement of column crest level is the temporary bench mark according to setting up in construction, with level gauge or three-dimensional coordinate control survey.
Further, step F middle girder is 63a i iron, and tie-beam is 32a channel-section steel, and transverse distribution beam is 14a channel-section steel, and the sectional dimension of the lumps of wood is 10cmX10cm; The spacing of transverse distribution beam is 0.5m, and the spacing of tie-beam is 4.0m, and the spacing of the lumps of wood is 0.3m.
Further, the bent cap reinforcing bar in step G first after installation on ground is good, can lift with loop wheel machine; Also can be directly assembled on bed die.
Further, between pier stud and steel hoop, rubber pad is set.
Further, insert soon during vibration and pull out slowly, vibrating head displacement is no more than 1.5 times of this excellent operating radius; Vibrating head and template keep the distance of 5 ~ 10cm; Vibrating plate inserts lower-layer concrete 5 ~ 10cm.
After have employed technique scheme, the present invention has following beneficial effect:
1, adopt bent cap in the present invention without support steel hoop method construction technology, meeting the original easy construction of steel hoop, harmless to pier stud, and while the steel advantage that can reuse, reduce full blast danger, have more practicality;
2, adopt steel hoop Experiments of Machanics step, demonstrate the actual bearer ability of steel hoop, ensure that the reliability of steel hoop work;
Two kinds of assembling methods of the bent cap reinforcing bar 3, in step G, make the place at crane convenient construction, accelerate progress, guarantee construction safety at installation on ground; In the place of crane construction inconvenience, the direct assembled flexibility increasing construction on bed die;
4, between pier stud and steel hoop anchor ear, rubber pad is set, increases the frictional force between pier stud and steel hoop, ensure that the reliability of steel hoop work;
5, concrete time of vibration, ensures that concrete obtains enough compactnesss, when concrete no longer sink, concrete holds one's breath bubble, concrete surface starts bleeding time, represent that this layer vibrates appropriateness;
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, obviously, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of steel hoop in the present invention;
Fig. 2 is the structural representation of steel hoop Experiments of Machanics;
1 steel hoop, 2 brackets, 3 test pier stud, 4 jack.
Detailed description of the invention
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The embodiment of the present invention adopts the mode of going forward one by one to write.
Bent cap, without support steel hoop method construction technology, is characterized in that, comprises the following steps:
A, steel hoop Experiments of Machanics: install hydraulic jack 4 in test pier stud 3 root, left and right respectively arranges one; By steel hoop 1 upside-down mounting on pier stud, steel hoop 1 bracket 2 is arranged on jack 4; Pier stud is marked bottom steel hoop 1; Load steel hoop 1, multistage loadings, the load of every grade is set to 5t; According to made marks, Real Time Observation steel hoop 1 conjugates situation, and makes a record; When being loaded into builder's tonnage, measuring displacement, stablize 20min, if without displacement, then off-test; Adopt steel hoop Experiments of Machanics step, demonstrate the actual bearer ability of steel hoop, ensure that the reliability of steel hoop work;
B, preparation of construction: after pier stud has been constructed, return according to the design elevation of bent cap and calculate the accurate location of steel hoop 1 lower edge at pier stud, and carry out mark; When fluid concrete, pier stud top concrete absolute altitude is by controlling than design elevation height 5cm;
C, steel hoop are installed: the mark done according to step B, install the steel hoop 1 of pass the test in steps A; The every side of steel hoop 1 bracket 2 adopts the high-strength bolt of 12 10.9 grades of M24 to connect, and point two row are arranged, and arrange rubber pad, increase the frictional force between pier stud and steel hoop, ensure that the reliability of steel hoop work between pier stud and steel hoop 1;
D, pier stud top dabbing: after the concrete of pier stud reaches more than 75% of design strength, carry out dabbing process to top, pier stud top, and namely cut cement mortar and the weak layer of pine at top, dabbing to fresh concrete, and blows clean with air compressor machine; Concrete absolute altitude after dabbing controls than design elevation height about 3cm;
E, surveying and locating: before Coping Construction, need carry out construction survey to pier stud, and in this, as the foundation of mounting cover beam bottom board, the content that pier stud is measured comprises: pier stud center position measurement and column crest level are measured; Pier stud center is measured and is adopted total powerstation to measure; The measurement of column crest level is the temporary bench mark according to setting up in construction, with level gauge or three-dimensional coordinate control survey;
The manufacture and installation of F, falsework, bed die: after the pier stud top dabbing process in completing steps D and the surveying and locating in step e, installation form support; To hang oneself sand loading case and girder at steel hoop 1, with the tie-beam arranged at a certain distance, the girder being positioned at both sides is linked together, after girder is stable, arranges transverse distribution beam; The lumps of wood is laid above transverse distribution beam; Above operation confirm on inspection errorless after, can mounting cover beam bottom board;
The making of G, reinforcing bar, transport and install: after also acceptance(check) installed by bent cap bed die, beginning mounting cover beam steel; The processing and fabricating of bent cap reinforcing bar need carry out in strict accordance with construction drawing and job specfication with installation; Bent cap reinforcing bar first after installation on ground is good, can lift with loop wheel machine; Also can be directly assembled on bed die; Two kinds of assembling methods, make the place at crane convenient construction, accelerate progress, guarantee construction safety at installation on ground; In the place of crane construction inconvenience, on bed die, the direct assembled flexibility increasing construction should be noted the pre-buried of bearing pad stone and block reinforcing bar;
H, installation side form: after the acceptance(check) of bent cap reinforcement installation, strictly press construction requirement mounting cover beam side;
I, concrete pouring & maintenance: after model sheetinstallat is complete, ask the plan-position of management field test template, elevation of top, node contacts and stability; Through after the assay was approved, start fluid concrete; Bent cap coagulation adopts pump truck to carry out concrete cast; Continous pouring wanted by concrete, horizontal slice, one-shot forming, and every layer thickness is no more than 50cm, and upper and lower two-layer interval time more than 1.5h, must not build layer concrete before lower-layer concrete initial set maybe can be reinvented; Employing immersion vibrator vibrates, and insert soon during vibration and pull out slowly, vibrating head displacement is no more than 1.5 times of this excellent operating radius; The distance of 5 ~ 10cm is kept with template; Avoid vibrating head collision slab, reinforcing bar; Insert lower-layer concrete 5 ~ 10cm; During the vibration of everywhere, vibration limit, limit proposes vibrating head slowly; Concrete time of vibration, ensures that concrete obtains enough compactnesss, when concrete no longer sink, concrete holds one's breath bubble, concrete surface starts bleeding time, represent that this layer vibrates appropriateness; Need the concrete slump of strict control, the concrete slump of strict control, ensure that the fineness on bent cap surface, prevents the appearance of crafters;
After bent cap pouring concrete, need immediately by surface covered rearing with plastic film, water seasoning;
The dismounting of J, template and support: when bent cap concrete crushing strength reaches 3.0Mpa, and when ensureing not reason form removal and be damaged, removable cover side template; During form removal, available hammer knocks plate body gently, makes it to depart from concrete, then dismantles with crane, and handling is stacked to assigned address; When concrete strength reaches 100% of design strength, ability stripping support; During support removing, strictly undertaken by order from top to bottom.
Adopt bent cap in the present invention without support steel hoop method construction technology, meeting the original easy construction of steel hoop, harmless to pier stud, and while the steel advantage that can reuse, reduce full blast danger, have more practicality; When Construction in Preparatory Stage fluid concrete, pier stud top concrete absolute altitude controls, than design elevation height about 3cm, all to make the easier for installation of bent cap bed die by than the concrete absolute altitude after design elevation height 5cm control and dabbing.
Wherein, steel hoop 1 comprises two blocks of semicircular arc steel plates, and bracket 2 is separately positioned on two pieces of circular arc steel plate two ends; The thick 16mm of steel hoop 1 steel plate, high 720mm, the thick 20mm of anchor ear bracket 2 steel plate; Step F middle girder is 63a i iron, and tie-beam is 32a channel-section steel, and transverse distribution beam is 14a channel-section steel, and the sectional dimension of the lumps of wood is 10cmX10cm; The spacing of transverse distribution beam is 0.5m, if 10 × 10 lumps of wood, spacing is the spacing of 0.3m tie-beam is 4.0m, and the spacing of the lumps of wood is 0.3m.
Bent cap is without support steel hoop method construction technology, reduce construction land tenure and slope excavation, it is simple that Hold Hoop method construction has construction technology, the advantages such as easy to operate, efficiency is high, and material usage is few, Hold Hoop method avoids conventional floor stand need carry out a difficult problem for base treatment, accelerates speed of application and again saves expense; Substantially not by the impact of bent cap terrain clearance with construction surrounding environment in Hold Hoop method work progress, can adapt to various different construction environment, be a kind of method be worthy of popularization.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. bent cap is without support steel hoop method construction technology, it is characterized in that, comprises the following steps:
A, steel hoop mechanical test: steel hoop (1) is loaded in test pier stud (3), bracket (2) is loaded, records the displacement situation of described steel hoop (1) on described test pier stud (3);
B, preparation of construction: return according to the design elevation of bent cap and calculate the accurate location of described steel hoop (1) at pier stud;
C, steel hoop are installed: according to the accurate location in step B, adopt the described steel hoop (1) of high-strength bolt to pass the test in steps A to install;
D, pier stud top dabbing: after the concrete of described pier stud reaches more than 75% of design strength, carry out dabbing process to described pier stud top;
E, surveying and locating: the foundation using setting-out result as mounting cover beam bottom board;
The manufacture and installation of F, falsework, bed die: lift sandbox and girder after installation form support, after connecting described girder, arranges transverse distribution beam, installs described bent cap bed die after laying the lumps of wood above described transverse distribution beam with spaced tie-beam;
The making of G, reinforcing bar, transport and install: mounting cover beam steel, attention bearing pad stone and block reinforcing bar pre-buried;
H, installation side form: after the acceptance(check) of described bent cap reinforcement installation, mounting cover beam side;
I, concrete pouring & maintenance: concrete continuous is poured into, horizontal slice, one-shot forming, and adopts immersion vibrator to vibrate;
After pouring concrete, immediately by surface covered rearing with plastic film, water seasoning;
The dismounting of J, template and support: when bent cap concrete crushing strength reach 3.0Mpa not reason form removal and be damaged time, remove bent cap side template.
2. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, described steel hoop (1) comprises two blocks of semicircular arc steel plates, and described bracket (2) is separately positioned on two pieces of described circular arc steel plate two ends.
3. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, the thick 16mm of described steel hoop (1) steel plate, high 720mm, the thick 20mm of described bracket (2) steel plate.
4. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, described high-strength bolt is the high-strength bolt of 10.9 grades of M24, and every side bracket (2) adopts 12 high-strength bolts to connect, and point two row are arranged.
5. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, to described bracket (2) multistage loadings, the load of every grade is set to 5t.
6. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, the content that in step e, pier stud is measured comprises: pier stud center position measurement and column crest level are measured; Described pier stud center is measured and is adopted total powerstation to measure; The measurement of described column crest level is the temporary bench mark according to setting up in construction, with level gauge or three-dimensional coordinate control survey.
7. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, girder described in step F is 63a i iron, and described tie-beam is 32a channel-section steel, described transverse distribution beam is 14a channel-section steel, and the sectional dimension of the described lumps of wood is 10cmX10cm; The spacing of described transverse distribution beam is 0.5m, and the spacing of described tie-beam is 4.0m, and the spacing of the described lumps of wood is 0.3m.
8. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, the described bent cap reinforcing bar in step G first after installation on ground is good, can lift with loop wheel machine; Also can be directly assembled on bed die.
9. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, arranges rubber pad between described pier stud and described steel hoop (1).
10. bent cap according to claim 1 is without support steel hoop method construction technology, it is characterized in that, insert soon during vibration and pull out slowly, vibrating head displacement is no more than 1.5 times of this excellent operating radius; Vibrating head and template keep the distance of 5 ~ 10cm; Vibrating plate inserts lower-layer concrete 5 ~ 10cm.
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| CN201510955316.0A CN105421245B (en) | 2015-12-18 | 2015-12-18 | Bent cap is without support steel hoop method construction technology |
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| CN201510955316.0A CN105421245B (en) | 2015-12-18 | 2015-12-18 | Bent cap is without support steel hoop method construction technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120562A (en) * | 2016-07-08 | 2016-11-16 | 杭州市市政工程集团有限公司 | Overpass rod iron bracket bent cap support for shuttering integral hoisting construction method |
| CN109162204A (en) * | 2018-09-30 | 2019-01-08 | 北京城建道桥建设集团有限公司 | A kind of construction method of the quick spelling of bridge substructure transverse direction piecemeal |
| CN110593114A (en) * | 2019-09-27 | 2019-12-20 | 杭州悦为科技有限公司 | Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket |
| CN110820605A (en) * | 2019-11-07 | 2020-02-21 | 北京中交桥宇科技有限公司 | Airtight nondestructive formula bridge jacking platform of hot melt adhesive |
| CN111424554A (en) * | 2020-04-20 | 2020-07-17 | 深圳市中邦(集团)建设总承包有限公司 | Construction method for suspended formwork of seascape trestle |
| CN111576195A (en) * | 2020-04-16 | 2020-08-25 | 中铁城建集团有限公司 | Construction method of support-free hoop for cylindrical pier |
| CN112030750A (en) * | 2020-07-17 | 2020-12-04 | 中交一公局集团有限公司 | Construction process for tie beam in water |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396902A (en) * | 2007-09-28 | 2009-04-01 | 海德堡印刷机械股份公司 | Powder device |
| JP2010248769A (en) * | 2009-04-14 | 2010-11-04 | Sanko Techno Co Ltd | Fastener, construction method of attaching attachment to concrete base material, and fastening portion structure |
| CN201686929U (en) * | 2010-06-11 | 2010-12-29 | 天津二十冶建设有限公司 | Pier column for bent cap construction |
| CN102234982A (en) * | 2011-05-10 | 2011-11-09 | 吴江市明港道桥工程有限公司 | Circular pier capping beam supporting device |
| CN204039921U (en) * | 2014-05-19 | 2014-12-24 | 赵燕 | A kind of Construction Support without support bent cap |
-
2015
- 2015-12-18 CN CN201510955316.0A patent/CN105421245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396902A (en) * | 2007-09-28 | 2009-04-01 | 海德堡印刷机械股份公司 | Powder device |
| JP2010248769A (en) * | 2009-04-14 | 2010-11-04 | Sanko Techno Co Ltd | Fastener, construction method of attaching attachment to concrete base material, and fastening portion structure |
| CN201686929U (en) * | 2010-06-11 | 2010-12-29 | 天津二十冶建设有限公司 | Pier column for bent cap construction |
| CN102234982A (en) * | 2011-05-10 | 2011-11-09 | 吴江市明港道桥工程有限公司 | Circular pier capping beam supporting device |
| CN204039921U (en) * | 2014-05-19 | 2014-12-24 | 赵燕 | A kind of Construction Support without support bent cap |
Non-Patent Citations (3)
| Title |
|---|
| 徐恒: ""特大桥下部结构施工技术"", 《交通标准化》 * |
| 李现平: ""桥梁盖梁抱箍法施工分析"", 《公路交通科技（应用技术版）》 * |
| 杨战争: ""无支架施工的设计与试验分析"", 《施工技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120562A (en) * | 2016-07-08 | 2016-11-16 | 杭州市市政工程集团有限公司 | Overpass rod iron bracket bent cap support for shuttering integral hoisting construction method |
| CN109162204A (en) * | 2018-09-30 | 2019-01-08 | 北京城建道桥建设集团有限公司 | A kind of construction method of the quick spelling of bridge substructure transverse direction piecemeal |
| CN109162204B (en) * | 2018-09-30 | 2020-03-31 | 北京城建道桥建设集团有限公司 | Construction method for transverse block rapid assembling of bridge substructure |
| CN110593114A (en) * | 2019-09-27 | 2019-12-20 | 杭州悦为科技有限公司 | Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket |
| CN110820605A (en) * | 2019-11-07 | 2020-02-21 | 北京中交桥宇科技有限公司 | Airtight nondestructive formula bridge jacking platform of hot melt adhesive |
| CN111576195A (en) * | 2020-04-16 | 2020-08-25 | 中铁城建集团有限公司 | Construction method of support-free hoop for cylindrical pier |
| CN111424554A (en) * | 2020-04-20 | 2020-07-17 | 深圳市中邦(集团)建设总承包有限公司 | Construction method for suspended formwork of seascape trestle |
| CN112030750A (en) * | 2020-07-17 | 2020-12-04 | 中交一公局集团有限公司 | Construction process for tie beam in water |
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| CN105421245B (en) | 2017-08-25 |
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Address after: 6, building 223, 210017 Simon Street, Jianye District, Jiangsu, Nanjing Patentee after: Jiangsu Zhaotong New Material Technology Co., Ltd Address before: 6, building 223, 210017 Simon Street, Jianye District, Jiangsu, Nanjing Patentee before: JIANGSU ZHAOTONG ENGINEERING TECHNOLOGY Co.,Ltd. |