CN1472408A - Whole forming method for cylindrical netting support with horizontal sliding structure - Google Patents

Whole forming method for cylindrical netting support with horizontal sliding structure Download PDF

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Publication number
CN1472408A
CN1472408A CNA031383033A CN03138303A CN1472408A CN 1472408 A CN1472408 A CN 1472408A CN A031383033 A CNA031383033 A CN A031383033A CN 03138303 A CN03138303 A CN 03138303A CN 1472408 A CN1472408 A CN 1472408A
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China
Prior art keywords
support
hinged
slip
jack
fixed
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Granted
Application number
CNA031383033A
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Chinese (zh)
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CN1188575C (en
Inventor
新 卓
卓新
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Zhejiang Guosheng Steel Structure Co., Ltd.
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Zhejiang University ZJU
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Priority to CN 03138303 priority Critical patent/CN1188575C/en
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Publication of CN1188575C publication Critical patent/CN1188575C/en
Expired - Fee Related legal-status Critical Current
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Abstract

A construction method for integrally formed cylindrical reticulated shell with horizontal slide structure is disclosed. A cylindrical reticulated shell is divided into two segments for individual assembly. Its one end is a fixing hinge and its another end is a slide hinge in slide way. The hinged points between two segments are borne on temporary supporter. Both slide hinges are horizontally moving until they reach designed positions and the slide hinges are fixed to base. When hinged point reached designed height, a horizontal rod is linked to fix the hinged points. Its advantages are short period, and low cost.

Description

Cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming
Technical field
The present invention relates to the cylindrical reticulated shell job practices, is a kind of cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming.
Background technology
The job practices commonly used of cylindrical reticulated shell has: (1) high altitude bulk method; (2) high-altitude sliding method; (3) the itemize piecemeal is installed method; (4) whole hanging method; (5) whole lift method; (6) integral jacking method.These job practicess respectively have characteristics, but have following problem to some extent: temporary support scaffold consumption is big, long construction period; The construction cost height; Amount of high-altitude operation is big, and working security is poor; The cumulative errors problem of construction assembly unit is outstanding; Upper air installing contraposition splicing difficulty; The potential safety hazard of interim bearing bracket is outstanding; The stable problem of lift-up device is outstanding or the like.
Summary of the invention
The purpose of this invention is to provide a kind of cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming, be to divide domes two sections to carry out the ground assembling, in assembling and construction stage, two sections connections and two bearings of bar structure are made rotary hinged joint, thereby and one of them bearing can be free to slide in the construction forming stage structure finally is shaped.
In order to achieve the above object, the technical solution used in the present invention is as follows: cylindrical reticulated shell is divided into two sections assemblings of dividing into groups, the one end points is a fixed-hinged support, two sections joints are that hinged joint is shelved on the falsework, its another end points is placed in the slideway for the slip hinged-support, the slip hinged-support is under the horizontal external effect during construction, make horizontal pushing tow or do the horizontally tracting motion continuously to the segmentation of fixed-hinged support direction until the design attitude that arrives the slip hinged-support, then slip hinged-support and basis are connected and fixed, when hinged joint also arrives its design elevation, again horizon bar is connected, hinged joint is fixed.
The present invention compares the beneficial effect that has with background technology: 1) installation accuracy height, construction quality is good
Because at the structure assembling stage is to carry out in the position near ground, the negative effect of having avoided work high above the ground to bring to construction quality is so installation (welding, assembling) precision and quality can access effective inspection and assurance.The latticed shell structure in construction forming stage is similar to a three hinged arch structure, and one of them bearing moves horizontally on ground under jacking force or tractive force effect until arriving its design attitude, and the control of this support position and motion is very convenient and is easy to.Shaping stage arch with encircle between, between the rod member between arch and the bearing, on the arch the change of relative position can not take place all, so also just do not have the installation cumulative errors problem of many conventional construction methods.2) construction safety
The very close ground of the structure of assembling stage, the potential safety hazard of having avoided constructor's work high above the ground to bring.Structure is a mechanism with single degree of freedom in the monolithic molding construction stage, the direction of this degree of freedom is that horizontal direction and movement position are on ground, the pushing tow of this bearing or traction available hydraulic jack are finished, so be very convenient and safe and reliable the control work of this one dimension degree of freedom.Simultaneously, owing to do not need, so the yet potential safety hazard that does not just exist the cripple stable problem to be brought with the interim load supporting scaffold that resembles the high altitude integrated lift method.Therefore, this construction technology all is good in the safety of structural entity shaping stage still at assembling stage.3) short construction period
Because the work plane of assembling stage reduces the consumption of scaffold significantly, thereby saved the assembling and the take-down time of scaffold near ground, Zhuan Pei work plane also can fully spread out simultaneously, and erection work and quality examination operating efficiency are improved greatly.Structure allows the B bearing put in place in the ground level slippage in unique work of monolithic molding construction stage exactly, and this work generally can be finished in one day.Therefore, the duration of this construction technology will be less than the required time of traditional job practices greatly.4) construction cost is low
The minimizing significantly of scaffold consumption will reduce interim materials of construction and mounting or dismounting expense greatly, and the monolithic molding construction stage can be adopted mini-plants such as hydraulic jack, need not large-scale hoisting machinery, also have the factors such as shortening of construction period simultaneously.Therefore, the construction cost of this construction technology will be lower than the operating expenses of traditional job practices.
Description of drawings
Fig. 1 is a method flow diagram of the present invention;
Fig. 2 is the structure enlarged diagram of first kind of flute profile slideway of Fig. 1 D;
Fig. 3 is first kind of embodiment figure of method of the present invention;
Fig. 4 is the structural representation of second kind of flute profile slideway;
Fig. 5 is second kind of embodiment figure of method of the present invention;
Fig. 6 is the structural representation of the third flute profile slideway;
Fig. 7 is the third embodiment figure of method of the present invention.
The specific embodiment
As shown in Figure 1, the present invention is divided into two section 1 with cylindrical reticulated shell, 2 divide into groups assembles, the one end points is fixed-hinged support A, two section 1,2 joints are shelved on the falsework 3 for hinged joint C, its another end points is that slip hinged-support B is placed in the flute profile slideway 5, slip hinged-support B is under the horizontal external effect during construction, make horizontal pushing tow or do the horizontally tracting motion continuously to the segmentation of fixed-hinged support A direction until the design attitude that arrives slip hinged-support B, then slip hinged-support B and basis are connected and fixed, when hinged joint C also arrives its design elevation, again horizon bar 4 is connected, hinged joint C is fixed.
Embodiment 1
As Fig. 1, Fig. 2, Figure 3 shows that jack pushing tow bearing method, hinged-support B is placed in the flute profile slideway 5, flute profile slideway 5 sides have several locating holes 6, lateral surface at flute profile slideway 5 tightly is equipped with load pedestal 7, load pedestal 7 inserts soil bolt 12 to strengthen fixation, between load pedestal 7 and slip hinged-support B, jack 8 is housed, slip hinged-support B does horizontal pushing tow motion to the segmentation of fixed-hinged support A direction during construction under jack 8 horizontal external effects, jack 8 is during to extreme position, penetrate in the locating hole 6 with load channel-section steel 9, respectively that slip hinged-support B and jack 8 is fixing, unclamp slip hinged-support B again, continue top jack 8 until the design attitude that arrives slip hinged-support B.
Embodiment 2
As Fig. 1, Fig. 4, Figure 5 shows that vertically-displacable jack traction bearing method, said its another end points is that slip hinged-support B is placed in the flute profile slideway 5, in the inboard of flute profile slideway 5 load pedestal 7 is housed, load pedestal 7 inserts soil bolt 12 to strengthen fixation, load pedestal 7 lateral surfaces are equipped with vertically-displacable jack 11, with steel strand 10 vertically-displacable jack 11 is connected with slip hinged-support B, slip hinged-support B is under the 11 horizontal external effects of vertically-displacable jack during construction, by steel strand 10 slip hinged-support B is made pulling motion continuously to fixed-hinged support A direction, until the design attitude that arrives slip hinged-support B.
Embodiment 3
As Fig. 1, Fig. 6, Figure 7 shows that vertically-displacable jack fixed-hinged support traction slip hinged-support method, said its another end points is that slip hinged-support B is placed in the flute profile slideway 5, vertically-displacable jack 11 is placed on fixed-hinged support A one side, one side of steel strand 10 is passed the node of fixed-hinged support A and is linked to each other with vertically-displacable jack 11, opposite side at steel strand 10 is connected with slip hinged-support B, slip hinged-support B is under the 11 horizontal drag force effects of vertically-displacable jack during construction, by steel strand 10 the slip hinged-support is done the horizontally tracting motion continuously to fixed-hinged support A direction, until the design attitude that arrives slip hinged-support B.

Claims (4)

1. cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming, it is characterized in that: cylindrical reticulated shell is divided into two section (1,2) divide into groups to assemble, the one end points is fixed-hinged support (A), two section (1,2) joint is that hinged joint (C) is shelved on the falsework (3), its another end points is that slip hinged-support (B) is placed in the slideway, slip hinged-support (B) is under the horizontal external effect during construction, make horizontal pushing tow or do the horizontally tracting motion continuously to the segmentation of fixed-hinged support (A) direction until the design attitude that arrives slip hinged-support (B), then slip hinged-support (B) and basis are connected and fixed, when hinged joint (C) also arrives its design elevation, in horizon bar (4) connection, make hinged joint (C) fixing again.
2. a kind of cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming according to claim 1, it is characterized in that: said its another end points is that slip hinged-support (B) is placed in the flute profile slideway (5), flute profile slideway (5) side has several locating holes (6), lateral surface at flute profile slideway (5) tightly is equipped with load pedestal (7), between load pedestal (7) and slip hinged-support (B), lay jack (8), slip hinged-support (B) is done horizontal pushing tow motion to the segmentation of fixed-hinged support (A) direction during construction under jack (8) horizontal thrust effect, jack (8) is during to extreme position, penetrate in the locating hole (6) with load shaped steel (9), make slip hinged-support (B) temporary fixed, retraction jack (8), and load shaped steel (9) is penetrated locating hole (6) make load shaped steel (9) become once more the load-carrying member of pushing tow, take out the load shaped steel (9) on the slip hinged-support (B) then, continue top jack (8), the one-level one-level is until the design attitude that arrives slip hinged-support (B) like this.
3. a kind of cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming according to claim 1, it is characterized in that: said its another end points is that slip hinged-support (B) is placed in the flute profile slideway (5), in the inboard of flute profile slideway (5) load pedestal (7) is housed, load pedestal (7) lateral surface is equipped with vertically-displacable jack (11), with steel strand (10) vertically-displacable jack (11) is connected with slip hinged-support (B), slip hinged-support (B) is under vertically-displacable jack (11) horizontal drag force effect during construction, by steel strand (10) slip hinged-support (B) is done the horizontally tracting motion continuously to fixed-hinged support (A) direction, until the design attitude that arrives slip hinged-support (B).
4. a kind of cylindrical reticulated shell bearing horizontal sliding structural entity construction method for forming according to claim 1, it is characterized in that: said its another end points is that slip hinged-support (B) is placed in the flute profile slideway (5), vertically-displacable jack (11) is placed on fixed-hinged support (A) side, one side of steel strand (10) is passed the node of fixed-hinged support (A) and is linked to each other with vertically-displacable jack (11), opposite side at steel strand (10) is connected with slip hinged-support (B), slip hinged-support (B) is under vertically-displacable jack (11) horizontal drag force effect during construction, by steel strand (10) slip hinged-support (B) is done the horizontally tracting motion continuously to fixed-hinged support (A) direction, until the design attitude that arrives slip hinged-support (B).
CN 03138303 2003-05-23 2003-05-23 Whole forming method for cylindrical netting support with horizontal sliding structure Expired - Fee Related CN1188575C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03138303 CN1188575C (en) 2003-05-23 2003-05-23 Whole forming method for cylindrical netting support with horizontal sliding structure

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Application Number Priority Date Filing Date Title
CN 03138303 CN1188575C (en) 2003-05-23 2003-05-23 Whole forming method for cylindrical netting support with horizontal sliding structure

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CN1472408A true CN1472408A (en) 2004-02-04
CN1188575C CN1188575C (en) 2005-02-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718115B (en) * 2009-11-20 2011-06-22 山东宏跃网架钢结构有限公司 Method for mounting wide-span cylindrical reticulated shell
CN102953555A (en) * 2012-11-14 2013-03-06 中冶天工集团有限公司 Method for assembling large-area dual-curved-surface reticulated shell on ground
CN103982045A (en) * 2014-04-08 2014-08-13 浙江国盛钢结构有限公司 Installation construction method of roof lattice shell structure without supports and cantilevers
CN104060851A (en) * 2014-06-09 2014-09-24 武汉武船重型装备工程有限责任公司 Supporting structure and construction method for arch-rib roof truss sliding construction
CN106284675A (en) * 2016-10-30 2017-01-04 中冶华天工程技术有限公司 A kind of symmetrical doubly-linked is across cylindrical reticulated shell structure integral slipping construction auxiliary device and construction method
CN108612194A (en) * 2018-05-17 2018-10-02 中国十九冶集团有限公司 Three-stage rack starting arch section installation method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718115B (en) * 2009-11-20 2011-06-22 山东宏跃网架钢结构有限公司 Method for mounting wide-span cylindrical reticulated shell
CN102953555A (en) * 2012-11-14 2013-03-06 中冶天工集团有限公司 Method for assembling large-area dual-curved-surface reticulated shell on ground
CN103982045A (en) * 2014-04-08 2014-08-13 浙江国盛钢结构有限公司 Installation construction method of roof lattice shell structure without supports and cantilevers
CN103982045B (en) * 2014-04-08 2016-08-24 浙江国盛钢结构有限公司 A kind of roofing latticed shell structure is encorbelmented construction method of installation without support
CN104060851A (en) * 2014-06-09 2014-09-24 武汉武船重型装备工程有限责任公司 Supporting structure and construction method for arch-rib roof truss sliding construction
CN104060851B (en) * 2014-06-09 2017-01-04 武汉武船重型装备工程有限责任公司 Supporting construction and construction method for arch rib roof truss sliding construction
CN106284675A (en) * 2016-10-30 2017-01-04 中冶华天工程技术有限公司 A kind of symmetrical doubly-linked is across cylindrical reticulated shell structure integral slipping construction auxiliary device and construction method
CN108612194A (en) * 2018-05-17 2018-10-02 中国十九冶集团有限公司 Three-stage rack starting arch section installation method

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