A construction method for independent support column of post-cast belt

Abstract

The present invention relates to a construction method for an independent support column of a post-casting strip, comprising the following steps: measuring the structure around a target post-casting strip in a building; judging whether a support column is set under the corresponding structure according to the bearing capacity of the structure; setting a support column support on the bottom plate of the building, and installing a template of the target post-casting strip; constructing and pouring the target post-casting strip; after the target post-casting strip is completely solidified, removing the template and the support column. In the construction method for an independent support column of a post-casting strip of the present invention, by accurately measuring the structure around the target post-casting strip in the building, the support column can be set in a targeted manner, the construction and removal of the support column avoid the target post-casting strip, the impact on the target post-casting strip is small, and the safety hazard is reduced. In addition, the construction cost of the support column is low, and the transportation in the building is convenient, which can improve the construction efficiency of the building.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a construction method for an independent supporting column of a post-cast strip. Background Art

[0002] At present, the single unit area of ​​building structure is large, and there are many types of post-casting strips. The traditional post-casting strips are constructed with independent support frames on both sides. The support period of the separate formwork frame is long, the amount of steel used is large, and the long stay time increases the rental cost. In addition, the installation and dismantling workload is large. It is easy to disturb the post-casting strip frame during dismantling, and even cause the top to return after dismantling. It is impossible to transport materials across the formwork area before dismantling the formwork. The traditional post-casting strip formwork method has been criticized, which is a huge waste in terms of cost and work efficiency. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a construction method for an independent support column of a post-cast strip, so as to solve the problems of high cost, low efficiency and inconvenience in construction of the existing support frame.

[0004] The technical solution to achieve the above-mentioned purpose is: a construction method for independent support columns of post-casting strips, comprising the following steps: measuring the structure around the target post-casting strip in the building; judging whether to set support columns under the corresponding structure according to the bearing capacity of the structure; setting the support columns on the bottom plate of the building and installing the formwork of the target post-casting strip; constructing and pouring the target post-casting strip; and removing the formwork and the support columns after the target post-casting strip has solidified.

[0005] In a construction method of an independent support column for a post-cast strip of the present invention, by accurately measuring the structure around a target post-cast strip in a building, the support column can be set in a targeted manner, and the construction and removal of the support column avoid the target post-cast strip, which has little impact on the target post-cast strip, reduces safety hazards, and has a low construction cost of the support column, facilitates transportation within the building, and can improve the construction efficiency of the building.

[0006] The patent of this invention adopts independent supporting concrete to replace the traditional independent supporting frame of the post-cast strip, so that the formwork and large-surface structure of the post-cast strip can be dismantled at the same time, reducing the rental cost of the frame due to long stay time, and the construction of basement masonry and plastering will not be affected, and the basement traffic will not be affected.

[0007] A further improvement of the construction method of an independent supporting column of a post-cast strip of the present invention is that the measuring of the structure around a target post-cast strip in a building includes: measuring the distance between two frame beams arranged opposite to each other on both sides of the target post-cast strip.

[0008] A further improvement of the construction method of an independent supporting column of a post-cast strip of the present invention is that the measuring of the structure around the target post-cast strip in the building also includes: measuring the lengths of two cantilever plates arranged on the two frame beams respectively.

[0009] A further improvement of the construction method of an independent support column for a post-cast strip of the present invention is that judging whether to set a support column under the corresponding structure according to the bearing capacity of the structure includes: judging whether the distance between the two frame beams exceeds the first bearing range.

[0010] A further improvement of the construction method of an independent support column for a post-cast strip of the present invention is that judging whether to set a support column under the corresponding structure according to the bearing capacity of the structure also includes: judging whether the length of the two cantilever plates exceeds the second bearing range.

[0011] A further improvement in the construction method of an independent support column for a post-cast strip of the present invention is that the method of judging whether to set a support column under the corresponding structure based on the bearing capacity of the structure also includes: if the distance between the two frame beams is within the first bearing range, and the length of any of the cantilever plates exceeds the second bearing range, a first support column is set under the frame beam to which the cantilever plate is connected.

[0012] A further improvement in the construction method of an independent support column for a post-cast strip of the present invention is that the judging whether to set a support column under the corresponding structure according to the bearing capacity of the structure also includes: if the distance between the two frame beams exceeds the first bearing range, and the length of any of the cantilever plates exceeds the second bearing range, a second support column is set under the cantilever plate, and a first support column is set under the frame beam corresponding to the cantilever plate.

[0013] A further improvement in the construction method of an independent support column for a post-cast strip of the present invention is that if the distance between the two frame beams exceeds the first load-bearing range and the length of any of the cantilever plates exceeds the second load-bearing range, a second support column is arranged below the cantilever plate, and a first support column is arranged below the frame beam corresponding to the cantilever plate, including: setting the distance between the first support column and the target post-cast strip to be the same as the distance between the second support column and the target post-cast strip.

[0014] A further improvement of the construction method of an independent support column for a post-cast strip of the present invention is that the support column support is set on the base plate of the building, and the template of the target post-cast strip is installed, including: connecting the bottom end of the longitudinal reinforcement of the support column to the base plate of the building.

[0015] A further improvement of the construction method of an independent support column of a post-cast strip of the present invention is that after the target post-cast strip has solidified, the formwork and the support column are removed, including: retaining a co-curing test block, and the test block is removed after the demolding condition is met. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic flow chart of a construction method of an independent support column of a post-cast strip.

[0017] Figure 2 It is a schematic diagram of the flow of step S110 of the present invention.

[0018] Figure 3 The present invention is a structural top view of a construction method of an independent support column of a post-cast strip.

[0019] Figure 4 It is a schematic diagram of the flow of step S110 of the present invention.

[0020] Figure 5 It is a schematic diagram of the flow of step S120 of the present invention.

[0021] Figure 6 FIG. 4 is another flowchart diagram of step S120 of the present invention.

[0022] Figure 7 FIG. 4 is another flowchart diagram of step S120 of the present invention.

[0023] Figure 8 FIG. 4 is another flowchart diagram of step S120 of the present invention.

[0024] Fig. 9 This is another structural top view of a construction method for an independent support column of a post-cast strip according to the present invention.

[0025] Fig.10 It is a flowchart diagram of step S124 of the present invention.

[0026] Fig.11 It is a flowchart diagram of step S130 of the present invention.

[0027] Fig.12 It is a schematic diagram of the flow of step S150 of the present invention.

[0028] In the figure: 1. target post-cast strip; 2. frame beam; 3. cantilever slab; 4. first supporting column; 5. second supporting column. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] See also Figure 1, showing a schematic flow chart of a construction method of a post-casting belt independent support column of the present invention. The present invention provides a construction method of a post-casting belt independent support column, comprising the following steps:

[0031] Execute step S110: measure the structure around the target post-cast strip 1 in the building.

[0032] For the building to be constructed, it is necessary to draw a construction drawing and clean up the construction site, and then execute step S120.

[0033] Execute step S120: determine whether a support column is provided under the corresponding structure according to the bearing capacity of the structure.

[0034] Wherein, it is necessary to lay out and locate the target construction position of the support column. The method for determining the position of the support column is described in detail below and will not be repeated here. Then, step S130 is executed.

[0035] Execute step S130: set support columns on the bottom plate of the building, and install the template of the target post-cast strip 1.

[0036] The connection method of the support columns is described in detail below and will not be repeated here. Next, step S140 is executed.

[0037] Execute step S140: construct and cast the target post-cast strip 1.

[0038] The target post-cast strip 1 is disposed between two relatively disposed cantilever plates 3 in the building, and the casting size of the target post-cast strip 1 corresponds to the spacing and thickness of the two cantilever plates 3. Then, step S150 is executed.

[0039] Execute step S150: after the target post-cast strip 1 is completely solidified, remove the formwork and the support column.

[0040] Among them, the supporting force of the supporting column is stable, which can ensure the structural stability of the target post-casting strip 1, the construction efficiency is high, the setting and staying time of the supporting column is short, and the impact on the surrounding construction is small.

[0041] See also Figure 2 and Figure 3 , Figure 2 The schematic diagram of the process of step S110 of the present invention is shown. Figure 3 The present invention provides a method for constructing an independent support column of a post-cast strip, and step S110 includes:

[0042] Execute step S111: measure the distance between two frame beams 2 that are arranged opposite to each other on both sides of the target post-cast strip 1.

[0043] The two opposite frame beams 2 are arranged in parallel, and the spacing between the two frame beams 2 is obtained by measuring the distance between the center lines of the two frame beams 2, and the spacing between the two frame beams 2 remains consistent.

[0044] In this embodiment, multiple frame beams 2 are arranged to cross each other horizontally and vertically to form a frame beam 2 support network, the target post-casting and the longitudinal frame beam 2 are arranged parallel to each other, the target post-casting strip 1 and the transverse frame beam 2 are arranged perpendicular to each other, the internal reinforcement of the transversely arranged frame beam 2 horizontally passes through the target post-casting strip 1, and the target post-casting strip 1 separates the transverse frame beam 2.

[0045] See also Figure 3 and Figure 4 , Figure 3 A structural top view showing a construction method of an independent support column of a post-cast belt according to the present invention is shown. Figure 4 The schematic diagram of the process of step S110 of the present invention is shown. The present invention provides a construction method of an independent support column of a post-casting belt, and step S110 further includes:

[0046] Execute step S112: measure the lengths of the two cantilever plates 3 provided on the two frame beams 2 respectively.

[0047] The cantilever plate 3 is arranged inside the supporting net of the frame beam 2 , and the target post-casting strip 1 divides the cantilever plate 3 arranged at this position into two parts, and the width of the cantilever plate 3 is consistent with the spacing between the frame beams 2 .

[0048] See also Figure 5 , showing a schematic flow chart of step S120 of the present invention. The present invention provides a construction method of an independent support column of a post-casting belt, step S120 comprising:

[0049] Execute step S121: determine whether the distance between the two frame beams 2 exceeds the first load-bearing range.

[0050] Therein, the measured distance between the two transverse frame beams 2 is compared with the first load-bearing range.

[0051] In this embodiment, the first load-bearing range d1 is set to 0-6 m. In other embodiments, the first load-bearing range d1 is set according to actual construction requirements, and no specific limitation is made here.

[0052] See also Figure 6 , showing another flow chart of step S120 of the present invention. The present invention provides a construction method of an independent support column of a post-cast belt, step S120 further comprising:

[0053] Execute step S122: determine whether the lengths of the two cantilever plates 3 exceed the second load-bearing range.

[0054] The length of the cantilever plate 3 is measured according to the distance from the edge of the cantilever plate 3 to the center line of the opposite longitudinal frame beam 2 .

[0055] In this embodiment, the second load-bearing range d2 is set to 0-2m. In other embodiments, the second load-bearing range d2 is set according to actual construction requirements, and no specific limitation is made here.

[0056] See also Figure 3 and Figure 7 , Figure 3 A structural top view showing a construction method of an independent support column of a post-cast belt according to the present invention is shown. Figure 7 Another flow chart of step S120 of the present invention is shown. The present invention provides a construction method of an independent support column of a post-cast strip, and step S120 further includes:

[0057] Execute step S123: if the distance between the two frame beams 2 is within the first load-bearing range and the length of any cantilever plate 3 exceeds the second load-bearing range, a first support column 4 is arranged below the frame beam 2 corresponding to the cantilever plate 3 .

[0058] The first support column 4 is disposed below both transverse frame beams 2 and is disposed on a side close to the target post-casting strip 1 .

[0059] In this embodiment, the first support column 4 is provided to support the lower side of the transverse frame beam 2 at a distance of 30 cm from the edge of the target post-cast strip 1. In other embodiments, the distance from the first support column 4 to the edge of the target post-cast strip 1 is set according to actual construction requirements, and no specific limitation is made here.

[0060] See also Figure 8 and Fig. 9 , Figure 8 Another schematic diagram of the process of step S120 of the present invention is shown. Fig. 9 Another structural top view of a construction method of a post-cast strip independent support column of the present invention is shown. The present invention provides a construction method of a post-cast strip independent support column, step S120 also includes:

[0061] Execute step S124: if the distance between the two frame beams 2 exceeds the first load-bearing range, and the length of any cantilever plate 3 exceeds the second load-bearing range, set a second support column 5 under the cantilever plate 3, and set a first support column 4 under the frame beam 2 corresponding to the cantilever plate 3.

[0062] Among them, when the distance between the two transverse frame beams 2 exceeds the first load-bearing range, if the distance between the two transverse frame beams 2 exceeds the first load-bearing range, and only the length of the cantilever plate 3 on one side exceeds the limit, then the first support column 4 and the second support column 5 are arranged on the same side; if the lengths of the cantilever plates 3 on both sides exceed the limit, it is necessary to symmetrically arrange the first support column 4 and the second support column 5 on both sides of the target post-casting strip 1.

[0063] In this embodiment, a first support column 4 is provided to support the lower side of the transverse frame beam 2 at a distance of 30 cm from the edge of the target post-cast strip 1, and a second support column 5 is provided to support the lower side of the cantilever plate 3 at a distance of 30 cm from the edge of the target post-cast strip 1. In other embodiments, the distances from the first support column 4 and the second support column 5 to the edge of the target post-cast strip 1 can be set respectively according to actual construction requirements, and no specific limitation is made here.

[0064] See also Fig.10 , showing a schematic flow chart of step S124 of the present invention. The present invention provides a construction method for an independent support column of a post-cast belt, step S124 comprising:

[0065] Execute step S1241: set the distance between the first support column 4 and the target post-casting strip 1 to be the same as the distance between the second support column 5 and the target post-casting strip 1.

[0066] The first support column 4 and the second support column 5 are at equal distances from the edge of one side of the corresponding target post-casting strip 1 , and the first support column 4 and the second support column 5 arranged on the same side are arranged on the same straight line.

[0067] In this embodiment, the distance between the first support column 4 and the second support column 5 and the edge of the target post-casting strip 1 is set to 30 cm. In other embodiments, other values ​​can be set, which are not specifically limited here.

[0068] See also Fig.11 , showing a schematic flow chart of step S130 of the present invention. The present invention provides a construction method of an independent support column of a post-casting belt, step S130 comprising:

[0069] Execute step S131: connect the bottom end of the longitudinal reinforcement of the support column to the bottom plate of the building.

[0070] The support columns include a first support column 4 and a second support column 5 . The first support column 4 is arranged between the bottom plate and the frame beam 2 , and the second support column 5 is arranged between the bottom plate and the cantilever plate 3 .

[0071] See also Fig.12 , showing a schematic flow chart of step S150 of the present invention. The present invention provides a construction method of an independent support column of a post-casting belt, step S150 comprising:

[0072] Execute step S151: retain the co-cultivation test block, and perform demolding construction after the test block meets the demolding conditions.

[0073] Among them, the formwork was removed according to the setting conditions of the retained co-cultivation test blocks, which improved the construction efficiency and ensured the structural quality of the construction.

[0074] The present invention is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various changes to the present invention according to the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be the scope defined by the attached claims.

Claims

1. A construction method for an independent support column of a post-cast belt, characterized in that: The steps include: Measure the structure around the target post-casting zone in the building; Determine whether a support column is provided under the corresponding structure according to the bearing capacity of the structure; The support column is arranged on the bottom plate of the building, and the template of the target post-casting strip is installed; Constructing and pouring the target post-casting strip; After the target post-cast strip has completely solidified, the formwork and the support column are removed.

2. The construction method of a post-cast zone independent support column according to claim 1, characterized in that: The measurement of the structure around the target post-casting strip in the building includes: Measure the distance between two frame beams arranged opposite to each other on both sides of the target post-casting strip.

3. The construction method of a post-cast zone independent support column according to claim 2 is characterized in that: The measuring of the structure around the target post-casting strip in the building also includes: The lengths of the two cantilever plates provided on the two frame beams are measured respectively.

4. The construction method of the post-cast zone independent support column according to claim 3 is characterized in that: The step of judging whether a support column is provided under the corresponding structure according to the bearing capacity of the structure comprises: Determine whether the distance between the two frame beams exceeds the first load-bearing range.

5. The construction method of the post-cast zone independent support column according to claim 4 is characterized in that: The step of determining whether a support column is provided under the corresponding structure according to the bearing capacity of the structure further comprises: Determine whether the lengths of the two cantilever plates exceed the second load-bearing range.

6. The construction method of the post-cast zone independent support column according to claim 5 is characterized in that: The step of determining whether a support column is provided under the corresponding structure according to the bearing capacity of the structure further comprises: If the distance between the two frame beams is within the first load-bearing range and the length of any of the cantilever plates exceeds the second load-bearing range, a first support column is provided below the frame beam to which the cantilever plate is connected.

7. The construction method of the post-cast zone independent support column according to claim 5 is characterized in that: The step of determining whether a support column is provided under the corresponding structure according to the bearing capacity of the structure further comprises: If the distance between the two frame beams exceeds the first load-bearing range and the length of any of the cantilever plates exceeds the second load-bearing range, a second support column is set under the cantilever plate, and a first support column is set under the frame beam corresponding to the cantilever plate.

8. The construction method of the post-cast zone independent support column according to claim 7 is characterized in that: If the distance between the two frame beams exceeds the first load-bearing range, and the length of any of the cantilevered plates exceeds the second load-bearing range, a second support column is provided below the cantilevered plate, and a first support column is provided below the frame beam corresponding to the cantilevered plate, including: The distance between the first support column and the target post-casting strip is set to be the same as the distance between the second support column and the target post-casting strip.

9. The construction method of the post-cast zone independent support column according to claim 1, characterized in that: The method of arranging the support column support on the bottom plate of the building and installing the template of the target post-casting strip includes: The bottom end of the longitudinal reinforcement of the support column is connected to the bottom plate of the building.

10. The construction method of the post-cast zone independent support column according to claim 1, characterized in that: After the target post-cast strip has solidified, removing the formwork and the support column comprises: The co-cultivated test blocks are retained and demolding construction is carried out after the demolding conditions are met.

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