CN105421491A - Construction method for middle wall dismantling and two-side structure connecting - Google Patents
Construction method for middle wall dismantling and two-side structure connecting Download PDFInfo
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- CN105421491A CN105421491A CN201510560552.2A CN201510560552A CN105421491A CN 105421491 A CN105421491 A CN 105421491A CN 201510560552 A CN201510560552 A CN 201510560552A CN 105421491 A CN105421491 A CN 105421491A
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Abstract
The invention relates to a construction method for middle wall dismantling and two-side structure connecting, and belongs to the technical field of building construction. The construction method is used for solving the problems that the construction period is long, construction difficulty is large and the surrounding environment is polluted due to the fact that two-side structures are connected only after the middle wall is dismantled in a layered and sectioned mode in the prior art. The construction method for middle wall dismantling and two-side structure connecting comprises the steps that 1, temporary constructional columns are arranged on the two sides of a middle wall and serve as supports of temporary overhanging portions of the two-side structures before the middle wall is dismantled; 2, after construction of the two-side temporary constructional columns is completed, the middle wall is dismantled by cutting in sections, and dismantled ground wall rubbish is transported by a crane; 3, bottom plates of the two-side structures and floor slabs and top plates of various floors are connected, so that the two-side structures are connected into an integral structure; and 4, the temporary constructional columns are dismounted in a layered mode from bottom to top.
Description
Technical field
The present invention relates to technical field of building construction, the construction method that particularly a kind of mid-board is removed and structure on two sides connects.
Background technology
Before the foundation pit construction of next-door neighbour's subway line; for protection subway line safe operation; the position certain at distance subway line need arrange mid-board (mid-board is the one of diaphragm wall); a basement is divided into two parts by mid-board; structure on two sides is constructed respectively; finally remove ground wall, structure on two sides is connected.
Existing construction method can not meet the requirement of construction safety, quality and progress simultaneously, there is following shortcoming:
First, mid-board demolishing process is comparatively loaded down with trivial details, mid-board layer and section is removed, complete the connection of this Rotating fields afterwards, whole process need experience mid-board is removed, rubbish is transported outward, set up template framed bent, connect the stages such as structure on two sides, because working procedure laps one another, the whole construction period is consuming time longer;
The second, for arch without beam, because mid-board is separated, Di Qiang both sides floor is cantilever construction, does not often consider this work progress in structure design, and mid-board is removed and may be occurred danger or cause quality accident in structure on two sides connection procedure;
3rd, mid-board layering from top removed, then carry out structure on two sides layering connection, top structure connection causes the ground wall rubbish of follow-up dismounting not to be transported to outside the venue by vertical transport mode, but need lorry secondary to transport, cause the pollution of construction cost increase and surrounding enviroment.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be considered as admitting or imply in any form that this information is the known prior aries of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide the construction method that a kind of mid-board is removed and structure on two sides connects, make not affect site operation progress in mid-board and structure on two sides work progress, control construction cost, reduce difficulty of construction, reduce the pollution to environment.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
The construction method that mid-board is removed and structure on two sides connects, described mid-board comprises first district's mid-board and second district's mid-board, comprises the steps:
Step one, interim constructional column is set in the structure on two sides of described mid-board end of encorbelmenting temporarily;
Step 2, after the structure on two sides of described mid-board has been constructed, mid-board described in segmentation cutting disassembling, handling remove ground wall rubbish, connect the base plate of structure on two sides, floor and top board afterwards;
Step 3, from bottom to up layering remove interim constructional column.
Preferably, described step 2 comprises: the first step, completes dismounting and the refuse collection construction of described first district's mid-board, forms the first cavity zone; Second step carries out the connection construction of the structure on two sides base plate of described first cavity zone, floor and top board; 3rd step, carries out second district's mid-board and removes and refuse collection construction, form the second cavity zone; 4th step, carries out the connection construction of the structure on two sides base plate of described second cavity zone, floor and top board.
Preferably, described step 2 also comprises and first disposablely from top to bottom cuts described first district's mid-board, and adopts tower crane to be hung out above described first cavity zone by the rubbish of generation; Then disposablely from top to bottom cut described second district's mid-board, and adopt tower crane to be hung out above described second cavity zone by the rubbish of generation.
Preferably, described step 2 is also included between described mid-board and the base plate of structure on two sides and builds ater-casting.
Preferably, described step 2 is also included in the back plate connections laying waterproofing course of structure on two sides.
Preferably, described step 2 is also included in the basement roof junction laying waterproofing course of structure on two sides.
Preferably, described waterproofing course is water expandable waterstop or steel plate for sealing water.
Compared with prior art, the technique effect that the present invention is useful is: the construction method that mid-board provided by the invention is removed and structure on two sides connects, first mid-board both sides arrange interim constructional column remove as mid-board before the structure on two sides support of temporarily encorbelmenting partly, next is after the interim Constructional Col-umn Construction in both sides completes, mid-board described in segmentation cutting disassembling, the ground wall rubbish that handling is removed, connect the base plate of structure on two sides, each floor plate and top board afterwards, thus structure on two sides is connected as a single entity structure; First remove the interim constructional column being positioned at basement bottom board place afterwards, the more interim constructional column of residue is removed in layering from bottom to up.This construction method adopts sectional method to remove mid-board, every width mid-board disposable dismounting from top to bottom in each section, and the corresponding floor carrying out the structure on two sides in mid-board region subsequently connects, thus facilitate site operation, accelerate construction speed, also facilitate rubbish from the cavity zone upper lifting formed after removing mid-board and outward transport simultaneously, and provide more satisfactory operating platform for the connection of structure on two sides, accelerate construction speed, save construction cost.In addition, before mid-board is removed in segmentation, first in the plan junction of mid-board structure on two sides, interim constructional column is set as temporary support, make structure on two sides in whole work progress, all there will not be the operating mode of encorbelmenting, avoid the cantilevered structure crack that generation is harmful to because amount of deflection is excessive of aforementioned structure on two sides, thus play the effect of safe construction.
Accompanying drawing explanation
Fig. 1 is the mid-board dismounting of one embodiment of the invention and the floor map of structure on two sides;
Fig. 2 is the schematic diagram of the construction method step one that mid-board is removed and structure on two sides connects of one embodiment of the invention;
Fig. 3 to Fig. 4 is the schematic diagram of the construction method step two that mid-board is removed and structure on two sides connects of one embodiment of the invention;
Fig. 5 is the schematic diagram of the construction method step three that mid-board is removed and structure on two sides connects of one embodiment of the invention.
Main Reference Numerals illustrates:
1-mid-board, 11-first district mid-board; 12-second district mid-board; The interim constructional column of 2-; 3-ater-casting.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the construction method that mid-board is removed and structure on two sides connects that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
The invention provides the construction method that mid-board is removed and structure on two sides connects, for solving the connection carrying out structure on two sides after existing mid-board layer and section is removed again, cause the construction period long, difficulty of construction is large, pollutes the problem of surrounding enviroment.
The construction method that mid-board of the present invention is removed and structure on two sides connects is described in detail below in conjunction with Fig. 1 to Fig. 5.
Embodiment one
As shown in Figure 1, the present embodiment adopts segmentation method to remove mid-board 1, and carries out the connection that the corresponding floor of the structure on two sides in region removed by mid-board 1 subsequently.When be divided into two sections carry out for twice totally mid-board 1 remove time, mid-board 1 is divided into the first district's mid-board 11 and second district's mid-board 12, mid-board 1 remove and structure on two sides connect construction method, comprise the steps:
As shown in Figure 2, S001: the both sides of mid-board 1 arrange interim constructional column 2;
As shown in Figure 3 to Figure 4, S002: after the structure on two sides of mid-board 1 has been constructed, segmentation cutting cuts mid-board 1, the mid-board rubbish that handling is removed, and connects the base plate of structure on two sides, floor and top board, and structure on two sides is connected in one structure;
As shown in Figure 5, S003: successively cut interim constructional column 2 from bottom to up.
Specifically, the present invention proposes a kind of mode of convenient and reasonable dismounting underground mid-board 1, segmentation, mid-board is removed in compartment of terrain, two intervals (first district's mid-board 11 and second district's mid-board 12) are divided into remove by mid-board, and every width mid-board disposable dismounting from top to bottom, thus facilitate site operation, accelerate construction speed, also facilitate rubbish from the cavity zone upper lifting formed after removing mid-board and outward transport simultaneously, and provide more satisfactory operating platform for the connection of structure on two sides, accelerate construction speed, save construction cost.In addition, before mid-board is removed in segmentation, first in the plan junction of mid-board structure on two sides, interim constructional column 2 is set as temporary support, make structure on two sides in whole work progress, all there will not be the operating mode of encorbelmenting, avoid the cantilevered structure crack that generation is harmful to because amount of deflection is excessive of aforementioned structure on two sides, thus play the effect of safe construction.
Especially, step S002 comprises: the first step, completes dismounting and the rubbish handling construction of first district's mid-board 11, forms the first cavity zone; Second step, carries out the connection construction of the structure on two sides base plate of the first cavity zone, floor and top board; 3rd step, carries out second district's mid-board 12 and removes and rubbish handling construction, form the second cavity zone; 4th step, carries out the connection construction of the structure on two sides base plate of the second cavity zone, floor and top board.Preferably, step S002 also comprises: elder generation is disposable from top to bottom cuts first district's mid-board 11, and adopts tower crane to be hung out above the first cavity zone by the rubbish of generation, completes first district's structure on two sides and connects; Disposablely from top to bottom cut second district's mid-board 12, and adopt tower crane to be hung out above the second cavity zone by the rubbish of generation, complete second district's structure on two sides afterwards and connect.
Further, in order to factor impacts such as the variations in temperature that conforms, concrete shrinkage, structure differential settlements, between mid-board 1 and the base plate of structure on two sides, junction is reserved and is had one fixed width and concrete belt through building again after a period of time, i.e. ater-casting 3.Certainly, after mid-board 1 is removed, the back plate connections of structure on two sides needs to lay waterproofing course, to play the effect of water seepage prevention.In like manner, the basement roof junction of structure on two sides also needs to lay waterproofing course.Consider the convenience and cost of drawing materials, waterproofing course can select water expandable waterstop or steel plate for sealing water.
In sum, the construction method that mid-board of the present invention is removed and structure on two sides connects, first mid-board both sides arrange interim constructional column remove as mid-board before the structure on two sides support of temporarily encorbelmenting partly, next is after the interim Constructional Col-umn Construction in both sides completes, mid-board described in segmentation cutting disassembling, the ground wall rubbish that handling is removed, connects the base plate of structure on two sides, each floor plate and top board afterwards, thus structure on two sides is connected as a single entity structure; Interim constructional column is removed in layering from bottom to up afterwards.Mid-board is divided into two intervals to remove by this construction method, and the every width mid-board disposable dismounting from top to bottom in each interval, thus facilitate site operation, accelerate construction speed, also facilitate rubbish from the cavity zone upper lifting formed after removing mid-board and outward transport simultaneously, and provide more satisfactory operating platform for the connection of structure on two sides, accelerate construction speed, save construction cost.In addition, before mid-board is removed in segmentation, first in the plan junction of mid-board structure on two sides, interim constructional column is set as temporary support, make structure on two sides in whole work progress, all there will not be the operating mode of encorbelmenting, avoid the cantilevered structure crack that generation is harmful to because amount of deflection is excessive of aforementioned structure on two sides, thus play the effect of safe construction.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (7)
1. mid-board remove and structure on two sides connect a construction method, described mid-board comprise in the firstth district every
Wall and second district's mid-board, is characterized in that, comprise the steps:
Step one, interim constructional column is set in the structure on two sides of described mid-board end of encorbelmenting temporarily;
Step 2, after the structure on two sides of described mid-board has been constructed, mid-board described in segmentation cutting disassembling, handling remove ground wall rubbish, connect the base plate of structure on two sides, floor and top board afterwards;
Step 3, from bottom to up layering remove interim constructional column.
2. the construction method that mid-board as claimed in claim 1 is removed and structure on two sides connects, it is characterized in that, described step 2 comprises: the first step, completes dismounting and the refuse collection construction of described first district's mid-board, forms the first cavity zone; Second step carries out the connection construction of the structure on two sides base plate of described first cavity zone, floor and top board; 3rd step, carries out second district's mid-board and removes and refuse collection construction, form the second cavity zone; 4th step, carries out the connection construction of the structure on two sides base plate of described second cavity zone, floor and top board.
3. the construction method that mid-board as claimed in claim 2 is removed and structure on two sides connects, it is characterized in that, described step 2 also comprises and first disposablely from top to bottom cuts described first district's mid-board, and adopts tower crane to be hung out above described first cavity zone by the rubbish of generation; Then disposablely from top to bottom cut described second district's mid-board, and adopt tower crane to be hung out above described second cavity zone by the rubbish of generation.
4. the construction method that mid-board as claimed in claim 1 is removed and structure on two sides connects, it is characterized in that, described step 2 is also included between described mid-board and the base plate of structure on two sides and builds ater-casting.
5. the construction method that mid-board as claimed in claim 1 is removed and structure on two sides connects, is characterized in that, the back plate connections that described step 2 is also included in structure on two sides lays waterproofing course.
6. the construction method that mid-board as claimed in claim 1 is removed and structure on two sides connects, is characterized in that, waterproofing course is laid in the basement roof junction that described step 2 is also included in structure on two sides.
7. the construction method that the mid-board as described in claim 5 or 6 is removed and structure on two sides connects, it is characterized in that, described waterproofing course is water expandable waterstop or steel plate for sealing water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510560552.2A CN105421491A (en) | 2015-09-06 | 2015-09-06 | Construction method for middle wall dismantling and two-side structure connecting |
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| CN201510560552.2A CN105421491A (en) | 2015-09-06 | 2015-09-06 | Construction method for middle wall dismantling and two-side structure connecting |
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Cited By (8)
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| CN105937219A (en) * | 2016-05-26 | 2016-09-14 | 中国建筑第八工程局有限公司 | Force transmission system in foundation pits on two sides of temporary even wall and construction method of system |
| CN106320739A (en) * | 2016-08-29 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Chiseling method of underground continuous wall between auxiliary part and main body of subway station |
| CN106436716A (en) * | 2016-07-08 | 2017-02-22 | 上海建工七建集团有限公司 | Separation wall dismounting method and structure |
| CN106760621A (en) * | 2016-11-21 | 2017-05-31 | 上海建工二建集团有限公司 | One kind is encorbelmented floor temporary support structure and construction method |
| CN109469108A (en) * | 2018-11-30 | 2019-03-15 | 上海市基础工程集团有限公司 | Water blocking method when for the connection of dividing wall two sides bottom plate |
| CN109736593A (en) * | 2019-02-27 | 2019-05-10 | 广西大学 | Underground engineering group cheats mid-board and cuts method |
| CN112376625A (en) * | 2020-10-26 | 2021-02-19 | 深圳大学建筑设计研究院有限公司 | External waterproof post-connection construction method for underground engineering staged construction interface |
| CN115404904A (en) * | 2022-06-23 | 2022-11-29 | 中国建筑第八工程局有限公司 | Underground diaphragm wall chamber-divided type dismantling construction method adjacent to subway foundation pit |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937219A (en) * | 2016-05-26 | 2016-09-14 | 中国建筑第八工程局有限公司 | Force transmission system in foundation pits on two sides of temporary even wall and construction method of system |
| CN106436716A (en) * | 2016-07-08 | 2017-02-22 | 上海建工七建集团有限公司 | Separation wall dismounting method and structure |
| CN106320739A (en) * | 2016-08-29 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Chiseling method of underground continuous wall between auxiliary part and main body of subway station |
| CN106320739B (en) * | 2016-08-29 | 2018-10-19 | 中铁第四勘察设计院集团有限公司 | A kind of attached diaphram wall between main body in subway station cuts method |
| CN106760621A (en) * | 2016-11-21 | 2017-05-31 | 上海建工二建集团有限公司 | One kind is encorbelmented floor temporary support structure and construction method |
| CN109469108A (en) * | 2018-11-30 | 2019-03-15 | 上海市基础工程集团有限公司 | Water blocking method when for the connection of dividing wall two sides bottom plate |
| CN109736593A (en) * | 2019-02-27 | 2019-05-10 | 广西大学 | Underground engineering group cheats mid-board and cuts method |
| CN109736593B (en) * | 2019-02-27 | 2021-01-15 | 中铁十局集团第五工程有限公司 | Underground engineering group pit mid-partition wall chiseling method |
| CN112376625A (en) * | 2020-10-26 | 2021-02-19 | 深圳大学建筑设计研究院有限公司 | External waterproof post-connection construction method for underground engineering staged construction interface |
| CN115404904A (en) * | 2022-06-23 | 2022-11-29 | 中国建筑第八工程局有限公司 | Underground diaphragm wall chamber-divided type dismantling construction method adjacent to subway foundation pit |
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Application publication date: 20160323 |