CN103603460B - A kind of pointing formula precast concrete external wall panel and hanging method thereof - Google Patents
A kind of pointing formula precast concrete external wall panel and hanging method thereof Download PDFInfo
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- CN103603460B CN103603460B CN201310597707.0A CN201310597707A CN103603460B CN 103603460 B CN103603460 B CN 103603460B CN 201310597707 A CN201310597707 A CN 201310597707A CN 103603460 B CN103603460 B CN 103603460B
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Abstract
A kind of pointing formula precast concrete external wall panel and hanging method thereof, belong to technical field of building construction.It comprises side fascia body, and described side fascia body two sides are set to terraced structure, and side fascia body bottom portion arranges one group of locating hole, and side fascia body internal surface arranges one group of suspension ring.The present invention is lifted by the precast concrete external wall panel Inner surface suspension ring that play, and keeps precast concrete external wall panel and horizontal plane to form 60 always
0-70
0gradient lifting, first wallboard lower end is fixed on floor special-shaped beam breach, slowly improve gradient again, this side fascia upper end is connected with corresponding profiled beam lateral surface, near time with the stay cord with flower basket bolt by side fascia top and major structure of construction anchorage, unclamp middle part suspender and pull out after outside wall until suspender, fastening flower basket bolt makes wallboard abut against upper strata beam lateral surface, fix subsequently, this external wall panel structure is simple, and work progress is easy to operate, safety, good stability, and apparent visual is effective, be convenient to dismounting and maintenance.
Description
Technical field
The invention belongs to technical field of building construction, be specifically related to that a kind of structure is simple, thermal and insulating performance and antiseep precast concrete external wall panel effective and easy to maintenance and hanging method thereof.
Background technology
Precast assembly architecture construction is the mainstream development direction of building trade environment protecting and power-saving emission-reduction technology.At present, precast assembly concrete external wall panel building is also in the design and construction method of alternately constructing with building body (load-bearing) structure synchronization, namely major structure of construction has been constructed after every floor aspect needs to stop over, construction could be continued after side fascia lifting puts in place, and adopt poured in place concrete to form entirety with major structure of construction, this architectural design and construction method constrains building structure construction speed, also external wall plate is directly caused to be difficult to carry out necessary replacing after using the several years, wound has lost precast assembly rate of progress of the construction characteristic faster, also wound has been lost and has been convenient to by block to change the superiority of concrete external wall panel, reduce life cycle environment assessment whole economic efficiency and environmental protection and energy saving index.At present, the architectural construction design of displacement required for side fascia is not also considered in architectural design, adopt the side fascia hanging method of vertical plate hoisting technology not to be suitable for the lifting construction of pointing formula side fascia, the existing architectural construction design relevant with precast wall panel and side fascia hanging method need to be innovated further.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the present invention is to provide that a kind of structure is simple, thermal and insulating performance and antiseep precast concrete external wall panel effective and easy to maintenance and the hanging method in the construction of building storey pointing formula side fascia thereof.
Described one prefabricated pointing formula concrete external wall panel, comprise side fascia body, it is characterized in that described side fascia body two sides are set to terraced structure, side fascia body bottom portion arranges one group of locating hole, and side fascia body internal surface arranges one group of dismountable suspension ring.
Described a kind of pointing formula precast concrete external wall panel, it is characterized in that terraced structure is lateral type, the width of side fascia body outer surface is greater than the width of its inner surface, and both stand out positions form step, and relatively wide lateral surface is provided with rubber strip.
Described a kind of pointing formula precast concrete external wall panel, is characterized in that four corner angle of the side fascia body of described side fascia body are set to fillet.
Described a kind of pointing formula precast concrete external wall panel, it is characterized in that described suspension ring are that upper, middle and lower three row be arranged in parallel, upper and lower two array pitch are respectively 10-50cm from side fascia bodies top, bottom, and the distance between a middle row and upper row and the ratio of the total distance of two rows are 1:3-5.
Described a kind of pointing formula precast concrete external wall panel, is characterized in that the suspension ring number of often arranging is 2-10.
Described a kind of pointing formula precast concrete external wall panel, is characterized in that the reinforcing bar, latch or the pin hole that described side fascia body two sides are arranged respectively for fixing this side fascia.
The hanging method of described pointing formula precast concrete external wall panel in building storey construction, is characterized in that comprising the steps:
1) profiled beam is set as by with the floor beam that precast concrete external wall panel upper and lower faces is connected respectively, this profiled beam arranges breach, described breach size and precast concrete external wall panel upper and lower faces thickness match, the corresponding breach connected to precast concrete external wall panel is provided with a registration reinforcing bar below, described spacer bars and locating hole one_to_one corresponding, the outward-dipping setting of spacer bars, its angle of inclination is 5
0-10
0;
2) stay cord on loop wheel machine one is separately fixed in side fascia body internal surface, down and two arranges on corresponding suspension ring, make side fascia and horizontal plane form 60
0-75
0angle lifts by crane, and precast concrete external wall panel is winched to the position of actual needs installation;
3) constructor stands on the floor of installation precast concrete external wall panel, by the stay cord adjustment precast concrete external wall panel lower end position on the suspension ring arranged under tying up to side fascia body internal surface in advance, it is made to be shelved on connected profiled beam breach, and make location bar dowel inject in corresponding locating hole, this stay cord is fixed on by flower basket bolt on the major structure of construction floor of precast concrete external wall panel place floor, then removes the lifting rope of lower row;
4) operation loop wheel machine is continued, haul on the lifting rope that is connected with middle row's suspension ring and move, make side fascia body upper end slowly near connected profiled beam, when fast close to this profiled beam time, side fascia body internal surface arrange tying up in advance on stay cord on suspension ring to be fixed on precast concrete external wall panel place floor major structure of construction by flower basket bolt and be in temporal hold state;
5) constructor unclamps middle part lifting rope and pulls out after outside wall until lifting rope, screwing flower basket bolt makes side fascia body upper part snap in breach on profiled beam, make wallboard abut against the lateral surface of upper strata profiled beam breach and be in temporal hold state, subsequently wallboard and existing structure body are carried out adjusting and fixing;
6) to dismantle stay cord and suspension ring, on connecting sewing pointing heat insulating material, be coated with fluid sealant and weather-resistant glue, increase the thermal insulation of precast concrete external wall panel seam crossing, antiseep and sound insulation property, increase the durability of wallboard and the overall aesthetics of metope.
The hanging method of described pointing formula precast concrete external wall panel in building storey construction, is characterized in that four angles of described side fascia body arrange fillet.
The hanging method of described pointing formula precast concrete external wall panel in building storey construction, is characterized in that near connected profiled beam, wallboard body upper end, step 4) China and foreign countries slowly refers to that shelving a circle of position heart with pointing formula precast concrete external wall panel low side carries out rotary hoisting.
The hanging method of described pointing formula precast concrete external wall panel in building storey construction, to it is characterized in that in step 4) soon close to refer to during this profiled beam the angle of precast concrete external wall panel and horizontal plane be 75-85 ° or refer to that spacing between pointing formula precast concrete external wall panel upper end and this profiled beam meets the minimum range that suspension hook pulls out outside wall time.
The hanging method of described pointing formula precast concrete external wall panel in building storey construction, can be temporary fixed with auxiliary steel wire rope after it is characterized in that pulling out lifting rope in step 5).
The present invention, by adopting above-mentioned technology, compared with prior art, has following beneficial effect:
1) the building storey surface layer side bar be connected with precast concrete external wall panel is adopted special-shaped beam design by the present invention, namely corresponding breach is set, and with outward-dipping location bar dowel pre-buried on the breach of the special-shaped beam be connected below precast concrete external wall panel, and be 5 by the outward-dipping angular definitions of this location bar dowel
0-10
0, facilitate precast concrete external wall panel to hang oneself at existing building side bar and set position and install fixing precast concrete external wall panel, the paving that the design of breach meets precast wall panel mount pad slurry is better filled out and prevents exterior wall leakage requirement;
2) two sides of precast concrete external wall panel are arranged lateral step by the present invention, precast concrete external wall panel is facilitated to meet in the structural pointing formula lifting of existing building and install, reduce precast concrete external wall panel lifting and shelve difficulty, reduce and produce excessive frictional force in precast concrete external wall panel rotary hoisting process, ensure to lift smoothly; And rubber strip is set on the surface that precast concrete external wall panel two sides are wider, be convenient to form airtight seam with components such as contiguous prefabricated concrete external wall panel or cylinders, facilitate fill insulant material and weather-resistant glue sealing inside and outside seam, improve thermal and insulating performance and the antiseep effect of building energy conservation requirement;
3) the present invention's following four corner angle on precast concrete external wall panel adopt small circular fillet design, avoid that precast concrete external wall panel end opening is shelved, corner is damaged in rotary hoisting process, affects alien invasion attractive in appearance; Two jiaos, top arranges fillet and is convenient to ensure that wallboard can load in the breach of profiled beam smoothly in rotary hoisting process, avoid because breach corner etc. can be destroyed when right angle is installed, affect outward appearance and installation quality, plate is facilitated to stitch interior fill insulant material and play glue, increase the thermal insulation of precast concrete external wall panel seam crossing, antiseep and sound insulation property, increase the durability of wallboard and the overall aesthetics of metope;
4) the present invention is at the pre-buried and suspension ring in precast concrete external wall panel Inner surface, is convenient to arrange be connected with the lifting rope on loop wheel machine, makes precast concrete external wall panel form 60 according to wallboard face and horizontal plane
0~ 75
0gradient lifting, make precast concrete external wall panel center of gravity in hoisting process outside facade, avoid the member impacts such as hoisting rig and superstructure side bar, affect lifting construction, be also convenient to be fixedly connected with existed building side bar and other components;
5) pre-buried for the lifting rope of loop wheel machine and precast concrete external wall panel Inner surface and suspension ring are connected by the present invention, lifted, keep precast concrete external wall panel and horizontal plane to form 60 in hoisting process always by the inner surface of the precast concrete external wall panel that plays
0-75
0gradient lifting, in hoisting process, side fascia center of gravity remains on outside facade, first be shelved on floor side bar breach at wallboard end opening, after the locating hole that location bar dowel pre-buried on building storey side bar and wallboard end opening are reserved is aimed at, the wire rope got ready is adopted to be fixed by suspension ring bottom wallboard and floor, unclamp the suspension hook bottom wallboard on suspension ring, utilize and make panel tops near upper strata side bar with the lockset of middle part suspension ring snapping slowly to rotate wallboard, when both gaps are about 100mm, side fascia will be arranged suspension ring and floor anchorage with flower basket bolt, unclamp middle part suspender and pull out after outside wall until suspender, fastening flower basket bolt makes wallboard abut against upper strata beam lateral surface, wallboard and structure can be carried out adjusting and fixing subsequently, the method is easy to operate, safety, good stability, and be convenient to dismounting and maintenance.
Accompanying drawing explanation
Fig. 1 is precast concrete external wall panel structural representation of the present invention;
Fig. 2 is lifting flowage structure schematic diagram of the present invention.
In figure: 1-rubber strip, 2-step, 3-side fascia body, 4-suspension ring, 5-locating hole.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described, but protection scope of the present invention is not limited in this.
As shown in Figure 1, precast concrete external wall panel of the present invention, body of wall is formed for being arranged on building storey, it can be designed to corresponding size according to real size, can be set directly between two cylinders and form body of wall, also can be interconnected to constitute by several pieces of precast concrete external wall panels, it comprises side fascia body 3, described side fascia body 3 two sides are set to terraced structure, this terraced structure is lateral type, the width of side fascia body 3 external surface is greater than the width of its inner surface, both stand out positions form step 2, relatively wide lateral surface is provided with rubber strip 1, the setting of this rubber strip 1, be convenient to form airtight seam with components such as contiguous prefabricated concrete external wall panel or cylinders, facilitate fill insulant material and weather-resistant glue sealing inside and outside seam, improve thermal and insulating performance and the antiseep effect of building energy conservation requirement, one group of locating hole 5 is set bottom described side fascia body 3, connected profiled beam arranges location bar dowel, location bar dowel and locating hole 5 one_to_one corresponding, side fascia body 3 inner surface arranges one group of suspension ring 4, described suspension ring 4 are upper, in, lower three rows be arranged in parallel, on, lower two array pitch are from side fascia body 3 top, bottom is respectively 10-50CM, distance between a middle row and upper row and the ratio of the total distance of two rows are 1:3-5, limit this respective distance ratio, in hoisting process, keep precast concrete external wall panel and horizontal plane to form 60 to ensure always
0-75
0gradient lifting, improve safety and the operability of lifting, suspension ring 4 number that the present invention often arranges is 2-10, and preferred number is 2-4, and specifically fixed according to the width of this side fascia, the spacing of adjacent two suspension ring 4 is generally 1-2m.
In order to prevent in hoisting process, the rotation of precast concrete external wall panel brushes up against the profiled beam corner of floor, and four of side fascia body 3 corner angle are arranged fillet by the present invention.
In order to improve between precast concrete external wall panel or connectivity robustness between itself and cylinder, the present invention arranges the locating hole 5 corresponding with locating bar dowel bottom wallboard body 3 with the exception that, its two sides can also be arranged respectively reinforcing bar, latch or the pin hole for fixing this side fascia, and on another precast concrete external wall panel be connected with this side fascia or cylinder, opposite position arranges reinforcing bar, pin hole or latch, is interconnected.
As shown in Figure 2, the suspension ring of the precast concrete external wall panel in the embodiment of the present invention have lower three rows in three, often row has 2 suspension ring, the spacing of adjacent two suspension ring 4 is generally 2m, on, the suspension ring of lower two rows and top, distance from bottom is respectively 30CM, distance between a middle row and upper row and the ratio of the total distance of two rows are 1:3, as required, the present invention adopts 4 cover lockset lifting rope liftings, long 2 covers of 2 covers are short, short lockset lifting rope respectively with wallboard in the middle part of suspension ring snapping, long lockset lifting rope respectively with wallboard bottom suspension ring snapping, the hanging method of pointing formula precast concrete external wall panel in the present embodiment in building storey construction, comprise the steps:
1) profiled beam is set as by with the floor beam that precast concrete external wall panel upper and lower faces is connected respectively, this profiled beam arranges breach, described breach size and precast concrete external wall panel upper and lower faces thickness match, the corresponding breach connected to precast concrete external wall panel is provided with row's fixed sodium muscle below, described location bar dowel and locating hole 5 one_to_one corresponding, the outward-dipping setting of location bar dowel, its angle of inclination is 5
0-10
0;
2) stay cord on loop wheel machine one is separately fixed in side fascia body 3 inner surface, down and two arranges on corresponding suspension ring 4, make side fascia and horizontal plane form 60
0-75
0angle lifts by crane, and precast concrete external wall panel is winched to the position of actual needs installation;
3) constructor stands on the floor of installation precast concrete external wall panel, by the stay cord adjustment precast concrete external wall panel lower end position on the suspension ring 4 arranged under tying up to side fascia body 3 inner surface in advance, it is made to be shelved on connected profiled beam breach, and make location bar dowel inject in corresponding locating hole 5, this stay cord is fixed on by flower basket bolt on the major structure of construction floor of precast concrete external wall panel place floor, then removes the lifting rope of lower row;
4) operation loop wheel machine is continued, haul on the lifting rope that is connected with middle row's suspension ring 4 and move, make side fascia body 3 upper end slowly near connected profiled beam, when soon close to this profiled beam, side fascia body 3 inner surface arrange tying up in advance on stay cord on suspension ring 4 to be fixed on precast concrete external wall panel place floor major structure of construction by flower basket bolt and be in temporal hold state, near connected profiled beam, side fascia body 3 upper end slowly refers to that shelving a circle of position heart with pointing formula precast concrete external wall panel low side carries out rotary hoisting, soon close to refer to during this profiled beam the angle of precast concrete external wall panel and horizontal plane be 75-85 ° or refer to that spacing between pointing formula precast concrete external wall panel upper end and this profiled beam meets the minimum range that suspension hook pulls out outside wall time,
5) constructor unclamps middle part lifting rope and pulls out after outside wall until lifting rope, screwing flower basket bolt makes side fascia body 3 top snap in breach on profiled beam, make wallboard abut against the lateral surface of upper strata profiled beam breach and be in temporal hold state, subsequently wallboard and existing structure body are carried out adjusting and fixing;
6) to dismantle stay cord and suspension ring 4, on connecting sewing pointing heat insulating material, be coated with fluid sealant and weather-resistant glue, increase the thermal insulation of precast concrete external wall panel seam crossing, antiseep and sound insulation property, increase the durability of wallboard and the overall aesthetics of metope.
Claims (8)
1. the hanging method of a pointing formula precast concrete external wall panel in building storey construction, this pointing formula precast concrete external wall panel comprises side fascia body (3), described side fascia body (3) two sides are set to terraced structure, side fascia body (3) bottom arranges one group of locating hole (5), side fascia body (3) inner surface arranges one group of dismountable suspension ring (4), described suspension ring (4) are for upper, in, lower three rows be arranged in parallel, on, lower two array pitch are from side fascia body (3) top, bottom is respectively 10-50CM, distance between a middle row and upper row and the ratio of the total distance of two rows are 1:3-5, it is characterized in that comprising the steps:
1) profiled beam is set as by with the floor beam that precast concrete external wall panel upper and lower faces is connected respectively, this profiled beam arranges breach, described breach size and precast concrete external wall panel upper and lower faces thickness match, the corresponding breach connected to precast concrete external wall panel is provided with a registration bar dowel below, described location bar dowel and locating hole (5) one_to_one corresponding, the outward-dipping setting of location bar dowel, its angle of inclination is 5
0-10
0;
2) stay cord on loop wheel machine one is separately fixed in side fascia body (3) inner surface, down and two arranges on corresponding suspension ring (4), make side fascia and horizontal plane form 60
0-75
0angle lifts by crane, and precast concrete external wall panel is winched to the position of actual needs installation;
3) constructor stands on the floor of installation precast concrete external wall panel, by the stay cord adjustment precast concrete external wall panel lower end position on the suspension ring (4) arranged under tying up to side fascia body (3) inner surface in advance, it is made to be shelved on connected profiled beam breach, and make location bar dowel inject in corresponding locating hole (5), this stay cord is fixed on by flower basket bolt on the major structure of construction floor of precast concrete external wall panel place floor, then removes the lifting rope of lower row;
4) operation loop wheel machine is continued, haul on the lifting rope that is connected with middle row's suspension ring (4) and move, make side fascia body (3) upper end slowly near connected profiled beam, when fast close to this profiled beam time, side fascia body (3) inner surface arrange tying up in advance on stay cord on suspension ring (4) to be fixed on precast concrete external wall panel place floor major structure of construction by flower basket bolt and be in temporal hold state;
5) constructor unclamps middle part lifting rope and pulls out after outside wall until lifting rope, screwing flower basket bolt makes side fascia body (3) top snap in breach on profiled beam, make wallboard abut against the lateral surface of upper strata profiled beam breach and be in temporal hold state, subsequently wallboard and existing structure body are carried out adjusting and fixing;
6) to dismantle stay cord and suspension ring (4), on connecting sewing pointing heat insulating material, be coated with fluid sealant and weather-resistant glue, increase the thermal insulation of precast concrete external wall panel seam crossing, antiseep and sound insulation property, increase the durability of wallboard and the overall aesthetics of metope.
2. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, it is characterized in that terraced structure is lateral type, the width of side fascia body (3) external surface is greater than the width of its inner surface, both stand out positions form step (2), and relatively wide lateral surface is provided with rubber strip (1).
3. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, is characterized in that four corner angle of described side fascia body (3) arrange fillet.
4. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, is characterized in that suspension ring (4) number of often arranging is 2-10.
5. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, is characterized in that described side fascia body (3) two sides being arranged respectively the latch for fixing this side fascia or pin hole.
6. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, is characterized in that four angles of described side fascia body (3) arrange fillet.
7. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, is characterized in that near connected profiled beam, wallboard body (3) upper end, step 4) China and foreign countries slowly refers to that shelving a circle of position heart with pointing formula precast concrete external wall panel low side carries out rotary hoisting.
8. the hanging method of pointing formula precast concrete external wall panel according to claim 1 in building storey construction, to it is characterized in that in step 4) soon close to refer to during this profiled beam the angle of precast concrete external wall panel and horizontal plane be 75-85 ° or between pointing formula precast concrete external wall panel upper end and this profiled beam, spacing meets the minimum range that suspension hook pulls out outside wall time.
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| CN201310597707.0A CN103603460B (en) | 2013-11-25 | 2013-11-25 | A kind of pointing formula precast concrete external wall panel and hanging method thereof |
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| CN201310597707.0A CN103603460B (en) | 2013-11-25 | 2013-11-25 | A kind of pointing formula precast concrete external wall panel and hanging method thereof |
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| CN105862594A (en) * | 2015-01-20 | 2016-08-17 | 任丘市永基建筑安装工程有限公司 | Hoisting technique of steel arch bridge member |
| CN105954102A (en) * | 2016-06-01 | 2016-09-21 | 中国科学院武汉岩土力学研究所 | Loading plate device of large-scale indoor true-triaxial physical simulation testing machine |
| CN107401215A (en) * | 2017-07-28 | 2017-11-28 | 武汉轻工大学 | Assembled architecture and construction process |
| CN107503519B (en) * | 2017-08-31 | 2019-09-24 | 中国二十二冶集团有限公司 | Three layers of composite steel column sandwich heat preservation Side fascia hanging method of assembling type steel structure house |
| CN111173035B (en) * | 2020-02-28 | 2024-06-28 | 无锡地铁集团有限公司 | Assembled single-side prefabricated wall plate for underground station and vertical rotation installation method |
| CN113175222B (en) * | 2021-04-02 | 2023-08-15 | 台州优匠建筑科技有限公司 | Method for installing embedded prefabricated external wall panel component |
| CN114075879A (en) * | 2021-12-07 | 2022-02-22 | 北京城建集团有限责任公司 | Construction process of overturning launching vehicle |
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| DK35876A (en) * | 1976-01-29 | 1977-07-30 | P Dencker | BUILDING CONSISTING OF ELEMENTS |
| CN2262064Y (en) * | 1996-04-17 | 1997-09-10 | 李晓勤 | Leakage-proof prestressed reinforced concrete hole wall type prefabricated slab and leakage-proof prefabricated beam |
| CN2578438Y (en) * | 2002-11-08 | 2003-10-08 | 罗雄武 | Building panel |
| CN102235034A (en) * | 2010-04-22 | 2011-11-09 | 上海市第七建筑有限公司 | Prefabricated part and construction method for connecting prefabricated part with main structure |
| CN202000487U (en) * | 2011-02-17 | 2011-10-05 | 张剑 | Precast beam and precast slab compounded wall board body |
| CN102383526A (en) * | 2011-10-24 | 2012-03-21 | 上海市第二市政工程有限公司 | Shockproof external wall panel with prefabricated structure and positioning method thereof |
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Address after: 310012 No. 52 Wensan West Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang construction investment group Limited by Share Ltd Address before: 310012 Zhejiang Construction Investment Group Co., Ltd. No. 20 Wensan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG CONSTRUCTION INVESTMENT GROUP CORPORATION, LTD. |
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