CN106760621A - One kind is encorbelmented floor temporary support structure and construction method - Google Patents

One kind is encorbelmented floor temporary support structure and construction method Download PDF

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Publication number
CN106760621A
CN106760621A CN201611020789.2A CN201611020789A CN106760621A CN 106760621 A CN106760621 A CN 106760621A CN 201611020789 A CN201611020789 A CN 201611020789A CN 106760621 A CN106760621 A CN 106760621A
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CN
China
Prior art keywords
floor
temporary
temporary structure
encorbelmenting
construction
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Pending
Application number
CN201611020789.2A
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Chinese (zh)
Inventor
张捷
李涛
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Shanghai Construction No 2 Group Co Ltd
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Shanghai Construction No 2 Group Co Ltd
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Priority to CN201611020789.2A priority Critical patent/CN106760621A/en
Publication of CN106760621A publication Critical patent/CN106760621A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

Encorbelmented floor temporary support structure and construction method the invention discloses one kind, the temporary support structure includes temporary structure post corresponding with every layer of floor of encorbelmenting and temporary structure beam, the temporary structure beam is encorbelmented on floor described in being located at, and the temporary structure post is encorbelmented between the corresponding temporary structure beam of floor located at adjacent two layers.By setting temporary structure post corresponding with every layer of floor of encorbelmenting and temporary structure beam, floor of encorbelmenting effectively is supported in mid-board demolishing process, the floor stress that avoids encorbelmenting is excessive and damages, the temporary structure post is constructed simultaneously with temporary structure beam with floor of encorbelmenting, easy construction, effect reliability, without additionally increasing back support or shoring, construction safety in guarantee mid-board demolishing process and in building waste transportation, reduces construction cost, improves efficiency of construction.

Description

One kind is encorbelmented floor temporary support structure and construction method
Technical field
The present invention relates to foundation pit construction field, and in particular to one kind is encorbelmented floor temporary support structure and construction method.
Background technology
Urban development is maked rapid progress, and urban architecture also shows the trend of " higher, deeper, closer to ".As city is handed over The continuous popularization of logical subway, plans the whole city of circuit, and the architectural engineering on subway tunnel periphery is also increasingly common therewith.Due to Deep basal pit, for the protection to subway transit tunnel, ensures that subway can normally be runed in construction period, mesh near subway tunnel Before untill, arrangement and method for construction the safest is exactly that deep basal pit is divided into two foundation ditch scenes of carrying out of size as standard with subway to apply Work, the big foundation ditch first constructed apart from subway farther out after the completion for the treatment of the big foundation ditch basement structure, starts construction nearer apart from subway Small foundation ditch, i.e., using the construction principle of " near after first remote, first big after small ".
The scheme of " point hole " construction in view of this, excavation of foundation pit depth is deeper, and construction is caused because the time constructed staggers During the lateral earth pressure of mid-board two is unbalanced differs greatly, for the sake of security, generally using diaphram wall in Partition wall.Removed for ease of later stage mid-board, post-cast strip is set in mid-board both sides in work progress, set interim between post-cast strip Power transmission is supported.Encorbelment floor and Cantilever Beams are provided with residing for interim power transmission support.
Due to after the completion of later stage basement structure construction, it is necessary to fill a vacancy late poured band structure, before filling a vacancy must centering every Wall is removed, and floor of encorbelmenting must be reinforced before dismounting.The reinforcing mode commonly used at present shores reinforcing for floor of encorbelmenting, Mainly there are two methods:One is to carry out back support using steel pipe bent-frame bracing;Two be using steel structure girder, post carry out floor shore plus Gu.But the two methods have that construction trouble and construction cost are high.
The content of the invention
Encorbelmented floor temporary support structure and construction method the invention provides one kind, to solve present in prior art Construction trouble and construction cost problem high.
In order to solve the above-mentioned technical problem, the technical scheme is that:One kind is encorbelmented floor temporary support structure, including Temporary structure post corresponding with every layer of floor of encorbelmenting and temporary structure beam, the temporary structure beam be located at it is described encorbelment on floor, The temporary structure post is encorbelmented between the corresponding temporary structure beam of floor located at adjacent two layers.
Further, the temporary structure post and temporary structure beam are poured using armored concrete and formed.
Further, the temporary structure post and temporary structure beam encorbelment floor near the side of mid-board positioned at described.
Further, encorbelmented described in every layer and interim horizontal support is additionally provided between floor and mid-board.
Further, the interim horizontal support is made of Steel material.
The present invention also provides a kind of construction method of floor temporary support structure of encorbelmenting, and comprises the following steps:
S1:In mid-board both sides, construction is encorbelmented floor, at the same construction temporary structure post corresponding with every layer of floor of encorbelmenting and Temporary structure beam;
S2:Remove mid-board, the late poured band structure that construction both sides are encorbelmented between floor;
S3:When the late poured band structure reaches setting intensity, the temporary structure post and temporary structure beam are removed.
Further, the temporary structure post and temporary structure beam are poured using armored concrete.
Further, in the step S1, it is additionally included in the encorbelmenting interim level branch of set between floor and mid-board Support.
Further, in the step S2, the late poured band structure is formed using concreting.
Further, in the step S2, also including being conserved to the late poured band structure.
Encorbelment floor temporary support structure and construction method that the present invention is provided, the temporary support structure include outstanding with every layer The corresponding temporary structure post of floor and temporary structure beam are chosen, the temporary structure beam is encorbelmented on floor positioned at described, described interim Structural column is encorbelmented between the corresponding temporary structure beam of floor located at adjacent two layers.By setting face corresponding with every layer of floor of encorbelmenting When structural column and temporary structure beam, floor of encorbelmenting effectively is supported in mid-board demolishing process, it is to avoid floor of encorbelmenting is received Power is excessive and damage, the temporary structure post and temporary structure beam and floor of encorbelmenting are constructed simultaneously, easy construction, effect reliability, nothing Support need to additionally be increased back or shored, it is ensured that the construction safety in mid-board demolishing process and in building waste transportation, drop Low construction cost, improves efficiency of construction.
Brief description of the drawings
Fig. 1 is the support schematic diagram of floor temporary support structure of encorbelmenting of the invention;
Fig. 2 is the schematic cross-section of temporary structure post of the present invention;
Fig. 3 is the schematic cross-section of temporary structure beam of the present invention.
Shown in figure:1st, encorbelment floor;2nd, temporary structure post;3rd, temporary structure beam;4th, interim horizontal support;5th, in every Wall;6th, reinforcing bar.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings:
The floor temporary support structure as shown in figure 1, one kind of the present invention is encorbelmented, including encorbelment that floor 1 is corresponding to be faced with every layer When structural column 2 and temporary structure beam 3, the temporary structure beam 3 be located at it is described encorbelment on floor 1, the temporary structure post 2 it is upper The lower two ends corresponding temporary structure beam 3 of floor 1 of being encorbelmented with adjacent two layers respectively offsets, i.e., the upper end of temporary structure post 2 is to upper strata The corresponding temporary structure beam 3 of floor 1 of encorbelmenting is supported, and lower end is supported in lower floor and encorbelments the corresponding temporary structure beam 3 of floor 1 On, certain orlop corresponding temporary structure post 2 of floor 1 of encorbelmenting is supported on ground.By setting and every layer of 1 pair, floor of encorbelmenting The temporary structure post 2 and temporary structure beam 3 answered, are effectively supported in the demolishing process of mid-board 5 to floor 1 of encorbelmenting, it is to avoid The stress of floor 1 of encorbelmenting is excessive and damage, the temporary structure post 2 and temporary structure beam 3 and floor 1 of encorbelmenting are constructed simultaneously, construction party Just, effect reliability, supports or shores without extra increase back, it is ensured that in the demolishing process of mid-board 5 and building waste transportation In construction safety, reduce construction cost, improve efficiency of construction.
Preferably, the temporary structure post 2 and temporary structure beam 3 are poured using armored concrete and formed, and intensity is high, branch Support is reliable, and the distribution of reinforcing bar 6 is as shown in Fig. 2 the distribution of reinforcing bar 6 such as Fig. 3 institutes in temporary structure beam 3 wherein in temporary structure post 2 Show.
Preferably, the temporary structure post 2 and temporary structure beam 3 are located at the floor 1 of encorbelmenting near the one of mid-board 5 Side, further increases support effect, it is to avoid in the demolishing process of mid-board 5 concrete drop and building waste transportation in The stress of floor 1 of encorbelmenting is excessive and damages.
Fig. 1 is continued referring to, is encorbelmented described in every layer and interim horizontal support 4 is additionally provided between floor 1 and mid-board 5, it is described Interim horizontal support 4 is made of Steel material, further ensures safety of the floor 1 in the demolishing process of mid-board 5 of encorbelmenting.
The present invention also provides a kind of construction method of above-mentioned floor temporary support structure of encorbelmenting, and comprises the following steps:
S1:In the both sides of mid-board 5, construction is encorbelmented floor 1, while construction temporary structure post corresponding with every layer of floor 1 of encorbelmenting 2 and temporary structure beam 3, the temporary structure post 2 and temporary structure beam 3 are poured using armored concrete;It is additionally included in described outstanding Choose and interim horizontal support 4 is set between floor 1 and mid-board 5, the interim horizontal support 4 is made of Steel material, further protect Demonstrate,prove safety of the floor 1 in the demolishing process of mid-board 5 of encorbelmenting.The distribution of reinforcing bar 6 is as shown in Fig. 2 face wherein in temporary structure post 2 When structural beams 3 in reinforcing bar 6 distribution it is as shown in Figure 3.
S2:Remove mid-board 5, the late poured band structure that construction both sides are encorbelmented between floor 1 encorbelments between floor 1 both sides Floor fill a vacancy completely, the late poured band structure is formed using concreting, and pour complete after need to conserve it.
S3:When the late poured band structure reaches setting intensity, the temporary structure post 2 and temporary structure beam 3 are removed.
During a Specific construction, the size of temporary structure post 2 is 400mm*400mm, and the size of temporary structure beam 3 is 450mm*300mm, size of the present invention not to temporary structure post 2 and temporary structure beam 3 is defined, the size of the rwo according to Construction condition, parameter is set including the weight of floor 1 of encorbelmenting and the weight of mid-board 5 etc..
In sum, the present invention is provided encorbelment floor temporary support structure and construction method, the temporary support structure bag Temporary structure post 2 corresponding with every layer of floor 1 of encorbelmenting and temporary structure beam 3 are included, the temporary structure beam 3 is located at the building of encorbelmenting On plate 1, the temporary structure post 2 is encorbelmented between the corresponding temporary structure beam 3 of floor 1 located at adjacent two layers.By set with often Layer is encorbelmented the corresponding temporary structure post 2 of floor 1 and temporary structure beam 3, and floor 1 of encorbelmenting is carried out in the demolishing process of mid-board 5 Effectively support, it is to avoid the stress of floor 1 of encorbelmenting is excessive and damage, the temporary structure post 2 is same with floor 1 of encorbelmenting with temporary structure beam 3 When construct, easy construction, effect reliability is supportted or shored without extra increase back, it is ensured that in the demolishing process of mid-board 5 and built Construction safety during garbage transporting, reduces construction cost, improves efficiency of construction.
Although being illustrated to embodiments of the present invention in specification, these implementation methods are intended only as prompting, Should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention Should be comprising within the scope of the present invention.

Claims (10)

1. one kind is encorbelmented floor temporary support structure, it is characterised in that including temporary structure post corresponding with every layer of floor of encorbelmenting With temporary structure beam, the temporary structure beam be located at it is described encorbelment on floor, the temporary structure post is encorbelmented located at adjacent two layers Between the corresponding temporary structure beam of floor.
2. floor temporary support structure of encorbelmenting according to claim 1, it is characterised in that the temporary structure post and interim Structural beams are poured using armored concrete and formed.
3. floor temporary support structure of encorbelmenting according to claim 1, it is characterised in that the temporary structure post and interim Structural beams encorbelment floor near the side of mid-board described in being located at.
4. floor temporary support structure of encorbelmenting according to claim 1, it is characterised in that encorbelmented described in every layer floor and in Interim horizontal support is additionally provided between partition wall.
5. floor temporary support structure of encorbelmenting according to claim 4, it is characterised in that the interim horizontal support is used Steel material is made.
6. a kind of construction method of floor temporary support structure of encorbelmenting according to claim 1, it is characterised in that including with Lower step:
S1:In mid-board both sides, construction is encorbelmented floor, while construction temporary structure post corresponding with every layer of floor of encorbelmenting and temporarily Structural beams;
S2:Remove mid-board, the late poured band structure that construction both sides are encorbelmented between floor;
S3:When the late poured band structure reaches setting intensity, the temporary structure post and temporary structure beam are removed.
7. construction method according to claim 6, in the step S1, the temporary structure is poured using armored concrete Post and temporary structure beam.
8. construction method according to claim 6, in the step S1, be additionally included in it is described encorbelment floor and mid-board it Between interim horizontal support is set.
9. construction method according to claim 6, in the step S2, the late poured band structure is using concreting Into.
10. construction method according to claim 9, in the step S2, also including being supported to the late poured band structure Shield.
CN201611020789.2A 2016-11-21 2016-11-21 One kind is encorbelmented floor temporary support structure and construction method Pending CN106760621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611020789.2A CN106760621A (en) 2016-11-21 2016-11-21 One kind is encorbelmented floor temporary support structure and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611020789.2A CN106760621A (en) 2016-11-21 2016-11-21 One kind is encorbelmented floor temporary support structure and construction method

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Publication Number Publication Date
CN106760621A true CN106760621A (en) 2017-05-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112854793A (en) * 2019-11-28 2021-05-28 杭州固力建筑工程有限公司 Construction scheme for additionally arranging hanging columns at end parts of pure cantilever beams

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741716A (en) * 2013-12-30 2014-04-23 上海建工二建集团有限公司 Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure
CN104264685A (en) * 2014-09-28 2015-01-07 上海建工七建集团有限公司 Construction method for mid-partition wall area structure closure
CN105421491A (en) * 2015-09-06 2016-03-23 上海建工七建集团有限公司 Construction method for middle wall dismantling and two-side structure connecting
CN206279790U (en) * 2016-11-21 2017-06-27 上海建工二建集团有限公司 One kind is encorbelmented floor temporary support structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741716A (en) * 2013-12-30 2014-04-23 上海建工二建集团有限公司 Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure
CN104264685A (en) * 2014-09-28 2015-01-07 上海建工七建集团有限公司 Construction method for mid-partition wall area structure closure
CN105421491A (en) * 2015-09-06 2016-03-23 上海建工七建集团有限公司 Construction method for middle wall dismantling and two-side structure connecting
CN206279790U (en) * 2016-11-21 2017-06-27 上海建工二建集团有限公司 One kind is encorbelmented floor temporary support structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112854793A (en) * 2019-11-28 2021-05-28 杭州固力建筑工程有限公司 Construction scheme for additionally arranging hanging columns at end parts of pure cantilever beams

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Application publication date: 20170531

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