CN205188977U - A trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting - Google Patents
A trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting Download PDFInfo
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- CN205188977U CN205188977U CN201520708846.0U CN201520708846U CN205188977U CN 205188977 U CN205188977 U CN 205188977U CN 201520708846 U CN201520708846 U CN 201520708846U CN 205188977 U CN205188977 U CN 205188977U
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- foundation pit
- power transmission
- transmission wall
- road
- support replacement
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Abstract
The utility model provides a trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting, trade and prop construction structures and include: pass the power wall, pass on the power wall sets up between foundation ditch structure side wall and foundation ditch are gone along with sb. To guard him, just is fixed in foundation fit base plate, wherein, it is reinforced concrete structure to pass the power wall. Support in order can demolish first concrete fast, and then provide favorable condition for hoisting the construction.
Description
Technical field
The application relates to mechanical field, particularly relates to a kind of support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling.
Background technology
In architectural process, Large Foundation Pit (foundation ditch that cutting depth is greater than 10 meters) is removed after first road supports to be needed to arrange support replacement.
In prior art, support replacement mode mainly adopts bracing members tiltedly to throw support, or using structure side wall as power transmission back up.Wherein, steel is tiltedly thrown support and need be stayed on base plate of foundation pit face and establish support bracket, and needs many steps cutting concrete block of wood together when the later stage removes support replacement; And routine is using foundation pit structure side wall as the technique of the form of support replacement, the protection problem for the body of wall finished product completed in hole waterproofing node on reserved foundation pit structure side wall from now on and dismantling concrete support process can be caused.In addition, the form of structure of nowadays present large space is main mainly with the form of steel work and concrete structure phase structure, and in order to the demand of steel structure hoisting, supporting the time length problem that can retain for first road becomes new problem.
Utility model content
The technical problem that the application will solve is, provides a kind of support replacement braced structures of supporting except first road for Large Foundation Pit fast dismantling and method, with can fast dismantling except first road concrete support, and then provide favourable condition for lifting construction.
For achieving the above object, this application provides a kind of support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling, wherein, described support replacement constructing structure comprises:
Power transmission wall, described power transmission wall to be arranged between foundation pit structure side wall and bracing of foundation pit and to be fixed on base plate of foundation pit, and wherein, described power transmission wall is reinforced concrete structure.
Further, the height of described power transmission wall is more than or equal to the half of the height at the bottom of described structural envelope top to base plate of foundation pit.
Further, the strength of reinforced concrete grade of described power transmission wall is C40.
Further, the thickness of described power transmission wall is 1000 millimeters ~ 1200 millimeters.
Further, effective anchoring between the reinforcing bar of described power transmission wall and the reinforcing bar of described base plate of foundation pit, wherein, the length of anchoring is greater than 200mm.
Further, between described power transmission wall and described base plate of foundation pit, waterstop and constuction joint is provided with.
Compared with prior art, the support replacement braced structures that supports except first road of the application's Large Foundation Pit fast dismantling and method tool have the following advantages:
One: the relative conventional construction method of operation is comparatively simple, and only need add steel bar template tie point can meet construction requirement.
Two: reduce the dismounting cost adopting conventional support replacement form to bring, conventional support replacement form all needs to carry out removing and reclaiming support replacement after construction completes structure, and the application's power transmission wall can forever as economization construction cost between structure and foundation pit system.
Three: it is convenient to control in work progress, described structure and method only need one-shot forming.
Four: support replacement construction technology described in the application is particularly useful for needing to remove the foundation ditch supported for lifting steel work or support replacement operation of cannot constructing in foundation ditch at short notice, the construction period needed due to conventional support replacement construction operation is long, the construction technology adopted is comparatively complicated, be difficult to find desirable constructure scheme by conventional construction scheme, as long as and use the construction technology of power transmission wall to strengthen the process of node for space between permanent concrete structure and space enclosing structure, the requirement that design is wanted can be met.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 illustrates a kind of support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling provided on the one hand according to the application;
Fig. 2 illustrates a kind of support replacement construction method supported except first road for Large Foundation Pit fast dismantling provided on the other hand according to the application.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Detailed description of the invention
Below in conjunction with accompanying drawing, the application is described in further detail.
In the prior art, Large Foundation Pit is removed after first road supports to be needed to arrange support replacement, conventional support replacement mode mainly adopts bracing members tiltedly to throw support, or using structure side wall as power transmission back up, steel is tiltedly thrown support and need be stayed in base surface and establish support bracket, needs many steps cutting concrete block of wood together when the later stage removes support replacement.And routine is using structure side wall as the technique of the form of support replacement; can cause the protection problem for the body of wall finished product completed in reserved side wall hole waterproofing node from now on and dismantling concrete support process, the form of structure of nowadays present large space is main mainly with the form of steel work and concrete structure phase structure.In order to the demand of steel structure hoisting, supporting the time length problem that can retain for first road becomes new problem.
The application is meeting mass concrete basement construction stage steel structure column, beam lifting demand to solve, and fast dismantling provides favourable condition for lifting construction except first road concrete support.
Target is related in order to reach above-mentioned, guarantee steel structure hoisting demand, in the steel structure hoisting construction stage, the concrete support of having constructed can be run into during post lifting cannot lift, first road can not be removed again before sidewall structure is not finished into support, under this form, how carry out support replacement accelerating construction progress node propose new requirement.Former scheme arranges the oblique throwing support of steel supporting symmetric position, but this constructure scheme makes basement construction progress greatly slow down, and just proposes thus and adopts new power transmission node as constructure scheme.
For the feature of himself, and the feature of integrated structure and foundation pit enclosure structure, power transmission wall node was made into by originally constructing in structure side wall and the load transfering strip between going along with sb. to guard him, when power transmission wall has been constructed, maintenance reaches requirement of strength and just supports in dismountable first road, and economization throws the construction way of support as power transmission point using steel greatly.
Based on more than, Fig. 1 illustrates a kind of support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling provided on the one hand according to the application, described support replacement constructing structure comprises: power transmission wall 10, described power transmission wall 10 to be arranged between foundation pit structure side wall 30 and bracing of foundation pit 20 and to be fixed on base plate of foundation pit 40, wherein, described power transmission 10 is reinforced concrete structure.
Constructing structure described in the application, can meet under mass concrete basement construction stage steel structure column, beam lifting demand, and fast dismantling removes first road concrete support, for lifting construction provides favourable condition.
Constructing structure described in the application one preferred embodiment, for the feature of himself, and in conjunction with the feature of foundation pit enclosure structure, make structure side wall 30 and the load transfering strip of going along with sb. to guard him 20 into power transmission wall 10, when power transmission wall 10 has been constructed, maintenance reaches requirement of strength and just supports in dismountable first road, and economization throws the construction way of support as power transmission point using steel greatly.
The height that described power transmission wall 10 mainly pushes up to base plate 40 end according to structural envelope 20 is determined, preferably, the height of described power transmission wall is more than or equal to the half that described structural envelope 20 pushes up the height of at the bottom of base plate of foundation pit 40.
Further, power transmission wall 10 adopts reinforced concrete structure form, reinforcing bar and the large base plate of structure have the effective anchoring of reinforcing bar, and monobloc cast, and waterstop is set and guarantees that (C40 is strength grade of concrete to structurally waterproof form concrete employing C40 grade, and the compressive strength standard value of its correspondence is 26.8N/mm
2, tensile strength standard value 2.39N/mm
2).
Further, the thickness of described power transmission wall 10 is 1000 millimeters ~ 1200 millimeters.Preferably support effect can be ensured.
Preferably, effective anchoring between the reinforcing bar of described power transmission wall 10 and the reinforcing bar of described base plate of foundation pit 40, wherein, the length of anchoring is greater than 200mm.Preferably, the effective anchoring between the reinforcing bar of described power transmission wall 10 and the reinforcing bar of described base plate of foundation pit 40 adopts monobloc cast mode.
Further, between described power transmission wall 10 and described base plate of foundation pit 40, waterstop and constuction joint is provided with.
Fig. 2 illustrates a kind of support replacement construction method supported except first road for Large Foundation Pit fast dismantling provided on the other hand according to the application, and it is characterized in that, described support replacement construction method comprises:
Step one: between foundation pit structure side wall and bracing of foundation pit, by fixed for the reinforcing bar of reinforcing bar and base plate of foundation pit for forming power transmission wall;
Step 2: concreting between foundation pit structure side wall and bracing of foundation pit, to form the power transmission wall of reinforced concrete structure;
Method described in the application one preferred embodiment can meet under mass concrete basement construction stage steel structure column, beam lifting demand, and fast dismantling removes first road concrete support, for lifting construction provides favourable condition.For the feature of himself, and in conjunction with the feature of foundation pit enclosure structure, make structure side wall and the load transfering strip between going along with sb. to guard him into power transmission wall, when power transmission wall has been constructed, maintenance reaches requirement of strength and just supports in dismountable first road, and economization throws the construction way of support as power transmission point using steel greatly.
Described power transmission wall is mainly determined according to the height at the bottom of structural envelope top to base plate, and preferably, the height of described power transmission wall is more than or equal to the half of the height at the bottom of described structural envelope top to base plate of foundation pit.
Further, power transmission wall adopts reinforced concrete structure form, reinforcing bar and the large base plate of structure have the effective anchoring of reinforcing bar, and monobloc cast, and waterstop is set and guarantees that (C40 is strength grade of concrete to structurally waterproof form concrete employing C40 grade, and the compressive strength standard value of its correspondence is 26.8N/mm
2, tensile strength standard value 2.39N/mm
2) preferably, the thickness of described power transmission wall is 1000 millimeters ~ 1200 millimeters.
Preferably, in described step one:
Fixed by the mode of effective anchoring between the reinforcing bar of described power transmission wall and the reinforcing bar of described base plate of foundation pit, wherein, the length of anchoring is greater than 200mm.
Preferably, described support replacement construction method also comprises:
Between described step one and described step 2, before the described power transmission wall of formation, between described foundation pit structure side wall and described bracing of foundation pit, on described foundation ditch floor, waterstop and constuction joint are set.
Preferably, described support replacement construction method also comprises:
Before described step one, set up bracing of foundation pit;
After described step 2, build foundation pit structure side wall.
Compared with prior art, the support replacement braced structures that supports except first road of the application's Large Foundation Pit fast dismantling and method tool have the following advantages:
One: the relative conventional construction method of operation is comparatively simple, and only need add steel bar template tie point can meet construction requirement.
Two: reduce the dismounting cost adopting conventional support replacement form to bring, conventional support replacement form all needs to carry out removing and reclaiming support replacement after construction completes structure, and the application's power transmission wall can forever as economization construction cost between structure and foundation pit system.
Three: it is convenient to control in work progress, described structure and method only need one-shot forming.
Four: support replacement construction technology described in the application is particularly useful for needing to remove the foundation ditch supported for lifting steel work or support replacement operation of cannot constructing in foundation ditch at short notice, the construction period needed due to conventional support replacement construction operation is long, the construction technology adopted is comparatively complicated, be difficult to find desirable constructure scheme by conventional construction scheme, as long as and use the construction technology of power transmission wall to strengthen the process of node for space between permanent concrete structure and space enclosing structure, the requirement that design is wanted can be met.
To those skilled in the art, obvious the application is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit or the essential characteristic of the application, can realize the application in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, the scope of the application is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the application.Any Reference numeral in claim should be considered as the claim involved by limiting.
Obviously, those skilled in the art can carry out various change and distortion to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technologies thereof to these amendments of the present invention and modification, then the present invention is also intended to comprise these variation and modification.
Claims (6)
1., for the support replacement constructing structure that Large Foundation Pit fast dismantling supports except first road, it is characterized in that, described support replacement constructing structure comprises:
Power transmission wall, described power transmission wall to be arranged between foundation pit structure side wall and bracing of foundation pit and to be fixed on base plate of foundation pit, and wherein, described power transmission wall is reinforced concrete structure.
2. the support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling according to claim 1, it is characterized in that, the height of described power transmission wall is more than or equal to the half of the height at the bottom of described structural envelope top to base plate of foundation pit.
3. the support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling according to claim 1, it is characterized in that, the strength of reinforced concrete grade of described power transmission wall is C40.
4. the support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling according to claim 1, it is characterized in that, the thickness of described power transmission wall is 1000 millimeters ~ 1200 millimeters.
5. the support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling according to claim 1, it is characterized in that, effective anchoring between the reinforcing bar of described power transmission wall and the reinforcing bar of described base plate of foundation pit, wherein, the length of anchoring is greater than 200mm.
6. the support replacement constructing structure supported except first road for Large Foundation Pit fast dismantling according to claim 1, is characterized in that, between described power transmission wall and described base plate of foundation pit, be provided with waterstop and constuction joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708846.0U CN205188977U (en) | 2015-09-14 | 2015-09-14 | A trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708846.0U CN205188977U (en) | 2015-09-14 | 2015-09-14 | A trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting |
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| Publication Number | Publication Date |
|---|---|
| CN205188977U true CN205188977U (en) | 2016-04-27 |
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| CN201520708846.0U Active CN205188977U (en) | 2015-09-14 | 2015-09-14 | A trade and prop construction structures that is used for large -scale foundation ditch to demolish first way fast supporting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089064A (en) * | 2015-09-14 | 2015-11-25 | 上海建工二建集团有限公司 | Support replacing construction structure and method for rapidly demounting first support of large foundation trench |
| CN108203980A (en) * | 2016-12-19 | 2018-06-26 | 中铁建工集团有限公司 | Deep basal pit is removed without the method for having pressure beams of concrete in braced cuts system |
-
2015
- 2015-09-14 CN CN201520708846.0U patent/CN205188977U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089064A (en) * | 2015-09-14 | 2015-11-25 | 上海建工二建集团有限公司 | Support replacing construction structure and method for rapidly demounting first support of large foundation trench |
| CN108203980A (en) * | 2016-12-19 | 2018-06-26 | 中铁建工集团有限公司 | Deep basal pit is removed without the method for having pressure beams of concrete in braced cuts system |
| CN108203980B (en) * | 2016-12-19 | 2023-06-09 | 中铁建工集团有限公司 | Method for dismantling pressurized concrete beam in deep foundation pit unsupported enclosure system |
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