CN217652349U - Temporary supporting system for post-cast strip template of basement roof - Google Patents
Temporary supporting system for post-cast strip template of basement roof Download PDFInfo
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- CN217652349U CN217652349U CN202221904726.4U CN202221904726U CN217652349U CN 217652349 U CN217652349 U CN 217652349U CN 202221904726 U CN202221904726 U CN 202221904726U CN 217652349 U CN217652349 U CN 217652349U
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Abstract
The utility model provides a temporary support system for a post-cast strip template of a basement roof, wherein a plurality of vertical support steel pipes are arranged on two sides of the post-cast strip of the basement roof according to the same structural form, a plurality of support steel pipes on each side are distributed at equal intervals along the strip length direction of the post-cast strip, and in each support steel pipe, except that the support steel pipe meeting a frame beam is fixedly supported between the frame beam and a basement bottom plate, the rest support steel pipes are fixedly supported between the basement roof and the basement bottom plate; the horizontal distance along the width direction of the belt is 150mm between the outer pipe wall of one side of the supporting steel pipe facing the top plate post-cast strip and the outer edge of the top plate post-cast strip on each side of the top plate post-cast strip; holes are reserved on the basement top plate bottom template and the frame beam bottom template in a one-to-one correspondence mode according to the positions of the supporting steel pipes. The utility model discloses help shortening construction period, reduce construction cost.
Description
Technical Field
The utility model relates to an interim support system of basement roof post-cast strip template.
Background
At present, cracks of a bottom plate and a top plate are easily generated between a plurality of engineering high-rise buildings and skirt houses or between the high-rise buildings and basements according to the stress (due to different settlement, contraction deformation of an ultralong and ultrawide reinforced concrete structure, the temperature stress of concrete and other conditions) and functional requirements, and a post-pouring belt is arranged for solving the problem. The common post-cast strip template independent supporting system is that a template at the post-cast strip position and a template supporting system of a main body structure are separately erected, and the post-cast strip independent template support is detached after the post-cast strip position is closed. The supporting system has the defects of occupying space, occupying turnover materials, increasing construction cost, being not concise, attractive and practical, and causing damage to the structure by the potential safety hazard caused by mistaken removal.
The casting time of the post-cast strip is generally specified by design, but no clear specification is given for the removal of post-cast strip supports. Many projects do not support and demolish the post-cast strip and make corresponding regulation when drawing up construction technical scheme, so leaded to examining in the engineering work progress and found, some construction departments are very early to demolish the support of post-cast strip for construction convenience, the reason that this kind of phenomenon was frequent is because this position supports and does not demolish and can bring a great deal of inconvenience for the site operation, also can correspondingly increase construction cost simultaneously, especially high-rise building, it is very big to occupy steel pipe and template volume, cause turnover material utilization ratio low, and also succinct pleasing to the eye practicality yet. Thus, although early removal of post-cast strip supports during construction can present a number of safety hazards and even damage to the structure itself, for the reasons set forth above, premature removal can still occur for convenience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least. Therefore, the utility model provides an interim support system of basement roof post-cast strip template helps shortening construction period, reduces construction cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a temporary support system of basement roof post-cast strip template which structural feature is:
arranging a plurality of vertical supporting steel pipes on two sides of the post-cast strip of the basement roof according to the same structural form, wherein the plurality of supporting steel pipes on each side are distributed at equal intervals along the strip length direction of the post-cast strip, and in each supporting steel pipe, the supporting steel pipe at the position meeting the frame beam is fixedly supported between the frame beam and the basement floor, and the rest supporting steel pipes are fixedly supported between the basement roof and the basement floor;
the horizontal distance between the outer pipe wall of the supporting steel pipe facing one side of the top plate post-cast strip and the outer edge of the top plate post-cast strip along the strip width direction is 150mm at each side of the top plate post-cast strip;
holes are reserved on the basement top plate bottom template and the frame beam bottom template in a one-to-one correspondence mode according to the positions of the supporting steel pipes.
The utility model discloses a structural feature also lies in:
support steel pipe top welding top steel sheet, the top steel sheet is pre-buried in the hole department that supports the steel pipe and correspond the position, is located under the top steel sheet of basement roof department face and basement roof die block board and is in same elevation, is located under the top steel sheet of frame roof department face and frame roof beam die block board and is in same elevation, many the top steel sheet of welding are pasting support steel pipe top portion periphery wall, are following the top reinforcing bar of circumference equidistance interval distribution, the top reinforcing bar links to each other with the welding between the support steel pipe periphery wall.
Support steel pipe bottom welding bottom steel sheet, many the bottom reinforcing bars that are pasting support steel pipe bottom portion periphery wall, along circumference equidistance interval distribution of welding on the steel sheet of bottom, the welding links to each other between bottom reinforcing bar and the support steel pipe periphery wall, and the periphery encloses and establishes multichannel stirrup, and the integral structure that support steel pipe bottom portion, bottom steel sheet, bottom reinforcing bar and stirrup formed pours the concrete, links firmly with the basement bottom plate, constitutes the anchor section.
The shape of the anchoring section is a cuboid structure with the cross section dimension of 350mm multiplied by 350mm and the height of 200 mm.
The supporting steel pipe is a galvanized round steel pipe, and the specification is phi 160mm multiplied by 3mm.
A plurality of support steel pipes on each side of the post-cast strip of the basement roof are distributed at equal intervals along the strip length direction of the post-cast strip, and the distance between every two adjacent support steel pipes is 4050mm.
The hole size is 250mm.
Compared with the prior art, the utility model discloses beneficial effect embodies:
in the project of building in medium and large-scale room, the application of the post-cast strip independent column support system will be more and more extensive, the utility model discloses a set up a row of support steel pipes respectively in basement roof post-cast strip both sides, as the interim support system of post-cast strip, make can realize dismantling the post-cast strip independent template support earlier in the work progress, help guaranteeing putting into use in advance of project, facilitate for the engineering construction, can also shorten construction cycle, accelerated the utilization of turnover material at the same time, reduced construction cost, satisfied construction safety, quality relevant requirement; and, the utility model discloses a support steel pipe occupation space is few, does not occupy the turnover material, and is succinct pleasing to the eye practical, has good economic benefits.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic view of the cross-sectional layout of the present invention;
FIG. 3 is a schematic structural diagram of a bottom anchoring section of the support steel pipe;
fig. 4 is a schematic structural view of the top steel plate and the top steel bar.
In the figure, 1 basement top plate; 2, basement bottom board; 3 post-pouring a belt; 4, a frame beam; 5, supporting the steel pipe; 6, a top steel plate; 7, top steel bars; 8, a bottom steel plate; 9 bottom steel bars; 10, hooping; 11 anchoring the segment.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the temporary supporting architecture of the basement roof post-cast strip formwork of the present embodiment is configured as follows:
arranging a plurality of vertical support steel pipes 5 on two sides of a post-cast strip 3 of the basement top plate 1 according to the same structural form, wherein the support steel pipes 5 on each side are distributed at equal intervals along the strip length direction of the post-cast strip 3, and in each support steel pipe 5, except the support steel pipe 5 meeting a frame beam 4, the support steel pipe 5 is fixedly supported between the frame beam 4 and the basement bottom plate 2, and the rest support steel pipes 5 are fixedly supported between the basement top plate 1 and the basement bottom plate 2;
the horizontal distance along the width direction of the belt is 150mm between the outer pipe wall of the supporting steel pipe 5 facing one side of the top plate post-cast strip 3 and the outer edge of the top plate post-cast strip 3 at each side of the top plate post-cast strip 3;
holes are reserved on the bottom template of the basement top plate 1 and the bottom template of the frame beam 4 in a one-to-one correspondence mode according to the positions of the supporting steel pipes 5.
The corresponding structural arrangement of the support system also comprises:
support 5 top welding top steel sheets of steel pipe 6, top steel sheets 6 are pre-buried in the hole department that supports 5 corresponding positions of steel pipe, the face is in same elevation with 1 die block board of basement roof under the top steel sheet 6 that is located 1 department of basement roof, the face is in same elevation with 4 die block boards of frame roof under the top steel sheet 6 that is located 4 departments of frame roof, many the subsides of welding are on 6 steel sheets of top support 5 top portion periphery walls of steel pipe, along the top reinforcing bar 7 of circumference equidistance interval distribution, the mode welding with spot welding links to each other between 7 and the 5 periphery walls of support steel pipe.
Support 5 bottom welding bottom steel plates 8 of steel pipe, the welding is many on the steel plates 8 of bottom is pasting 5 bottom portion periphery walls of support steel pipe, along circumference equidistance interval distribution's bottom reinforcing bar 9, bottom reinforcing bar 9 links to each other with the welding between the 5 periphery walls of support steel pipe, the periphery encloses establishes multichannel stirrup 10, the integral structure concreting that 5 bottom portions of support steel pipe, bottom steel plates 8, bottom reinforcing bar 9 and stirrup 10 formed links firmly with basement bottom plate 2, constitute anchor section 11.
The anchoring section 11 is a cuboid structure with the cross-sectional dimension of 350mm multiplied by 350mm and the height of 200 mm.
The thickness of the top steel plate 6 and the bottom steel plate 8 is 3mm.
The supporting steel pipe 5 is a galvanized round steel pipe with the specification of phi 160mm multiplied by 3mm and Q235, namely, the distance between the circle center and the outer edge of the rear pouring belt 3 of the basement top plate 1 on the side where the supporting steel pipe is located is 230mm.
A plurality of support steel pipes 5 on each side of the post-cast strip 3 of the basement roof 1 are distributed at equal intervals along the length direction of the post-cast strip 3, and the distance between every two adjacent support steel pipes 5 is 4050mm.
The hole size is 250mm x 250mm.
In specific implementation, the following method can be used for construction as a post-cast strip template temporary support system in the embodiment:
1. manufacturing a support steel pipe:
deducting 5cm from the clearance size of the set-up position to be used as the full length size of the support steel pipe, welding a top steel plate with the thickness of 250mm multiplied by 3mm on the top end of the support steel pipe, and welding a bottom steel plate with the thickness of 250mm multiplied by 3mm on the bottom end of the support steel pipe;
2. measuring and paying off:
positioning the basement top plate bottom template and the frame beam bottom template according to the center of the support steel pipe 230mm away from the edge of the top plate post-cast strip and the edge of the top steel plate 105mm away from the edge of the top plate post-cast strip, and paying off according to the arrangement scheme of the support steel pipe;
3. building a post-cast strip template temporary support system:
3.1, reserving holes of 250mm multiplied by 250mm according to the positions of the supporting steel pipes on a post-cast strip top plate bottom template and a frame beam bottom template, welding a top steel plate with the top ends of the supporting steel pipes, pre-embedding the top steel plate at the holes, directly pouring the top steel plate into a concrete foundation and a beam plate, keeping the surface of the top steel plate and the post-cast strip top plate bottom template or the frame beam bottom template at the same elevation, and welding phi 8mm top steel bars on the top steel plate pre-embedded into the beam plate for anchoring;
3.2, temporarily fixing the support steel pipe to enable the bottom of the support steel pipe to be about 5cm away from the ground of the basement, welding a phi 8mm bottom steel bar on a bottom steel plate for anchoring, enclosing a 200 mm-high cuboid with 350mm multiplied by 350mm in a bottom section to be anchored by a template, and pouring the bottom of the support steel pipe to form an anchoring section for supporting and fixing the support steel pipe;
4. the post-cast strip steel rib net piece is arranged according to the original design requirement, and a wooden cover plate is laid above the post-cast strip steel rib net piece to serve as horizontal safety protection;
after the strength of concrete on two sides of the post-cast strip reaches 100%, the independent formwork support (such as a scaffold, a post-cast strip formwork and the like) of the post-cast strip can be removed, the temporary support system of the post-cast strip formwork of the embodiment is reserved, so that the bearing capacity and stability of the whole member and structure in the construction stage are ensured, and yellow and black paint can be painted on the support steel pipe for warning;
5. the removal of the temporary support system of the post-cast strip template meets the following requirements:
the demolition work is carried out after the concrete pouring of the post-cast strip of the basement floor is finished (the post-cast strip is cured according to the design requirements after the concrete pouring is finished), a top plate post-cast strip template is erected before demolition, and the construction scheme of the template engineering and the standard requirements are met when the top plate post-cast strip template is erected;
after the strength of the post-cast strip concrete reaches 100% and meets the design and standard requirements, the post-cast strip template is removed;
after the independent formwork support of the basement post-cast strip is removed, when the support steel pipes on two sides of the post-cast strip are removed, firstly, the concrete at the bottom of the support steel pipe is broken, then, the steel plate on the top is chiseled, and then, the support steel pipe is removed. The safety of constructors is guaranteed in the dismantling process, lighting equipment and safety warning devices required in construction are guaranteed, and special-purpose safety personnel are arranged to carry out side stations;
after the basement support steel pipe is dismantled, the concrete surface of the beam and the slab bottom is trimmed, and 1.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A temporary support system for a post-cast strip template of a top plate of an underground chamber is characterized in that:
arranging a plurality of vertical supporting steel pipes on two sides of the post-cast strip of the basement roof according to the same structural form, wherein the plurality of supporting steel pipes on each side are distributed at equal intervals along the strip length direction of the post-cast strip, and in each supporting steel pipe, the supporting steel pipe at the position meeting the frame beam is fixedly supported between the frame beam and the basement floor, and the rest supporting steel pipes are fixedly supported between the basement roof and the basement floor;
the horizontal distance along the width direction of the belt is 150mm between the outer pipe wall of one side of the supporting steel pipe facing the top plate post-cast strip and the outer edge of the top plate post-cast strip on each side of the top plate post-cast strip;
and holes are reserved on the basement top plate bottom template and the frame beam bottom template in a one-to-one correspondence mode according to the positions of the supporting steel pipes.
2. The basement roof post-cast strip template temporary support system of claim 1, wherein: support steel pipe top welding top steel sheet, the top steel sheet is pre-buried in the hole department that supports the steel pipe and correspond the position, and face and basement roof die block are in same elevation under the top steel sheet that is located basement roof department, and face and frame roof beam die block are in same elevation under the top steel sheet that is located frame roof department, many the top steel sheet of welding are pasting support steel pipe top portion periphery wall, along the top reinforcing bar of circumference equidistance interval distribution, the top reinforcing bar links to each other with the welding between the support steel pipe periphery wall.
3. The basement roof post-cast strip template temporary support system of claim 1, wherein: support steel pipe bottom welding bottom steel sheet, many the bottom reinforcing bars that are pasting support steel pipe bottom portion periphery wall, along circumference equidistance interval distribution of welding on the steel sheet of bottom, the welding links to each other between bottom reinforcing bar and the support steel pipe periphery wall, and the periphery encloses and establishes multichannel stirrup, and the integral structure that support steel pipe bottom portion, bottom steel sheet, bottom reinforcing bar and stirrup formed pours the concrete, links firmly with the basement bottom plate, constitutes the anchor section.
4. The basement roof post-cast strip template temporary support system of claim 3, wherein: the shape of the anchoring section is a cuboid structure with the cross-sectional dimension of 350mm multiplied by 350mm and the height of 200 mm.
5. The basement roof post-cast strip template temporary support system of claim 1, wherein: the supporting steel pipe is a galvanized round steel pipe, and the specification is phi 160mm multiplied by 3mm.
6. The basement roof post-cast strip template temporary support system of claim 1, wherein: a plurality of supporting steel pipes on each side of the post-cast strip of the basement roof are equidistantly distributed along the length direction of the post-cast strip at intervals, and the distance between every two adjacent supporting steel pipes is 4050mm.
7. The basement roof post-cast strip template temporary support system of claim 1, wherein: the size of the hole is 250mm multiplied by 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904726.4U CN217652349U (en) | 2022-07-22 | 2022-07-22 | Temporary supporting system for post-cast strip template of basement roof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904726.4U CN217652349U (en) | 2022-07-22 | 2022-07-22 | Temporary supporting system for post-cast strip template of basement roof |
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| CN217652349U true CN217652349U (en) | 2022-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166756A (en) * | 2023-08-09 | 2023-12-05 | 上海宝冶集团有限公司 | Basement roof post-pouring strip reinforcement supporting system and construction method |
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2022
- 2022-07-22 CN CN202221904726.4U patent/CN217652349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166756A (en) * | 2023-08-09 | 2023-12-05 | 上海宝冶集团有限公司 | Basement roof post-pouring strip reinforcement supporting system and construction method |
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