CN211447000U - Foundation pit backfill area construction elevator foundation - Google Patents
Foundation pit backfill area construction elevator foundation Download PDFInfo
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- CN211447000U CN211447000U CN201921822590.0U CN201921822590U CN211447000U CN 211447000 U CN211447000 U CN 211447000U CN 201921822590 U CN201921822590 U CN 201921822590U CN 211447000 U CN211447000 U CN 211447000U
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Abstract
The utility model relates to a foundation ditch backfill district construction elevator basis, include: the independent foundation is arranged at the bottom of the foundation pit backfill area; the independent column is arranged on the independent foundation and is positioned in the foundation pit backfill area; backfilling to a backfill soil layer in the foundation pit backfilling area, wherein the independent foundation and the independent columns are fixedly embedded in the backfill soil layer, and the top surfaces of the backfill soil layer are flush with the top surfaces of the independent columns; and the independent bearing platforms are arranged on the independent columns, and the independent bearing platforms are partially arranged on the backfill soil layer. The design enables the load force at the upper part of the construction elevator to be transmitted to the foundation through the independent columns and the independent foundation, and the foundation of the construction elevator is guaranteed to have firm bearing capacity and structural stability.
Description
Technical Field
The utility model relates to a building field refers in particular to a foundation ditch backfill district construction elevator basis.
Background
Construction elevators, also commonly referred to as construction elevators, are typically attached to the outer wall of the main structure as the primary vertical transport equipment at the construction site, similar to a tower crane. And the construction elevator needs to be correspondingly provided with a construction elevator foundation meeting certain bearing capacity. Usually, construction elevator basis does not require so high to the basis bearing capacity not, sets up on the basement roof under general condition, through setting up the basis of certain thickness and adopting the steel pipe support frame to return the top and can satisfy the requirement. However, if the foundation pit is too deep, the basement side wall cannot be backfilled in time, or the backfilling quality is not well controlled, local collapse can be caused, and the stability of the foundation of the construction elevator is difficult to guarantee.
Therefore, a foundation pit backfill area construction elevator foundation with good stability is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a foundation ditch backfill district construction elevator basis to solve the poor problem of current construction elevator basis steadiness.
In order to achieve the above object, the utility model provides a foundation ditch backfill district construction elevator basis, include:
the independent foundation is arranged at the bottom of the foundation pit backfill area;
the independent column is arranged on the independent foundation and is positioned in the foundation pit backfill area;
backfilling to a backfill soil layer in the foundation pit backfilling area, wherein the independent foundation and the independent columns are fixedly embedded in the backfill soil layer, and the top surfaces of the backfill soil layer are flush with the top surfaces of the independent columns; and
and the independent bearing platforms are arranged on the independent columns, and the independent bearing platforms are partially arranged on the backfill soil layer.
The utility model discloses a set up below the construction elevator foundation the independent post and the independent foundation for the loading capacity on construction elevator upper portion passes through the independent post and the independent foundation transmits to the ground, even sink at the soil body of backfill, perhaps in time not carry out under the condition of backfilling to the basement side wall, can not cause the settlement of construction elevator foundation yet, has guaranteed that construction elevator foundation has solid bearing capacity and structure steadiness.
The utility model discloses a further improvement of foundation pit backfill area construction elevator foundation lies in that a pit is dug in the bottom of the foundation pit backfill area corresponding to the independent foundation, and a first cushion layer is formed in the pit by pouring;
the independent foundation is disposed on the first pad layer.
The utility model discloses a further improvement of foundation pit backfill area construction elevator foundation lies in that a second cushion layer connected with the top anchor of the independent column is formed by pouring the top surface of the backfill soil layer;
the independent bearing platform is arranged on the second cushion layer.
The utility model discloses a further improvement of foundation pit backfill area construction elevator foundation lies in that the top surface of backfill soil layer is built to form a brick fetal membrane, and the brick fetal membrane encloses to form a pouring space above the independent column;
the second cushion layer is poured and formed in the pouring space;
the independent bearing platform is formed in the pouring space in a pouring mode and is located on the second cushion layer.
The utility model discloses foundation ditch backfill zone construction elevator foundation's further improvement lies in, be equipped with post owner muscle in the independent post, post owner muscle has the part to bury in the independent basis, and bury the outside bending type of tip of post owner muscle in the independent basis becomes the anchor end.
The utility model discloses foundation ditch backfill district construction elevator basis further improves and lies in, correspond in the independent basis the reinforcing bar cage has been buried underground at the position of independent post, reinforcing bar cage part bury underground in the independent post.
The utility model discloses foundation ditch backfill district construction elevator basis further improves and lies in, be provided with the cross beam on the independent cushion cap.
The utility model discloses foundation ditch backfill district construction elevator foundation's further improvement lies in, the cross sectional dimension of first bed course is greater than the cross sectional dimension of independent basis.
The utility model discloses foundation ditch backfill district construction elevator basis further improves and lies in, the backfill soil layer is close to the part of single-column forms the enhancement layer through artifical tamp.
The utility model discloses a further improvement of foundation pit backfill area construction elevator foundation lies in that the independent column comprises a first part and a second part which are formed by pouring;
and the backfill soil layer is backfilled in a layered mode to form a first backfill layer and a second backfill layer, the height of the first backfill layer is matched with that of the first part of the independent column, and after the first part of the independent column is formed by pouring, the first part of the independent column is buried and then poured through the first backfill layer to form a second part of the independent column.
Drawings
Fig. 1 is the utility model discloses the profile schematic diagram of foundation ditch backfill zone construction elevator basis.
Fig. 2 is the utility model discloses a side view of foundation ditch construction elevator and foundation ditch on foundation ditch backfill zone construction elevator basis.
Fig. 3 is the utility model discloses the independent basis of foundation ditch backfill district construction elevator basis and the plan view of independent post.
Fig. 4 is the utility model discloses the internal structure schematic diagram of the independent basis and the independent post of foundation ditch backfill zone construction elevator basis.
Fig. 5 is the utility model discloses the profile schematic diagram of first bed course and the independent basis of foundation ditch backfill zone construction elevator basis.
Fig. 6 is the utility model discloses the section schematic diagram of foundation ditch backfill district construction elevator basic independent column.
Fig. 7 the utility model discloses the section schematic diagram of the construction elevator basis of setting up the cross beam of foundation ditch backfill district construction elevator basis.
Fig. 8 is the utility model discloses another section schematic diagram of the construction elevator basis of setting up the cross beam of foundation ditch backfill district construction elevator basis.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a foundation ditch backfill district construction elevator basis for bear the weight of the construction elevator. The utility model discloses a foundation ditch backfill district construction elevator basis is including setting up independent basis, the setting in the bottom of foundation ditch backfill district be in independent post, setting on the independent basis are in independent cushion cap on the independent post and backfill to the backfill soil layer in the foundation ditch backfill district for the loading capacity on construction elevator upper portion passes through independent post and independent foundation and transmits to the ground, has ensured that construction elevator basis has solid bearing capacity and structure steadiness.
The utility model discloses foundation ditch backfill district construction elevator basis explains with the attached drawing below.
Referring to fig. 1, 2, 3 and 4, in this embodiment, a foundation pit backfill area construction elevator foundation includes: the foundation pit comprises an independent foundation 2 arranged at the bottom of a foundation pit backfill area 1, an independent column 3 arranged on the independent foundation 2, and an independent bearing platform 4 arranged on the independent column 3. The independent columns 3 are located in the foundation pit backfilling area 1, backfill soil layers 7 are backfilled in the foundation pit backfilling area 1, the independent foundations 2 and the independent columns 3 are embedded and fixed in the backfill soil layers 7, and the top surfaces of the backfill soil layers 7 are flush with the top surfaces of the independent columns 3.
A pit is dug at the bottom of the foundation pit backfill area 1 corresponding to the independent foundation 2, a first cushion layer 5 is formed in the pit 2 in a pouring mode, and the independent foundation 2 is arranged on the first cushion layer 5. Further, the first cushion 5 has a sectional size larger than that of the separate base 2.
In a specific embodiment, the top surface of the backfill soil layer 7 is built to form a brick bed course, the brick bed course encloses a pouring space on the independent column 3, the second cushion layer 6 is poured and formed in the pouring space, the second cushion layer 6 is connected with the top of the independent column 3 in an anchoring manner, and the independent cushion cap 4 is poured and formed in the pouring space and located on the second cushion layer 6. Preferably, the individual caps 4 are partially placed on the backfill layer 7.
Further, as shown in fig. 5 and 6, a column main rib 31 is provided in the independent column 3, the column main rib 31 is partially embedded in the independent foundation 2, and an end portion of the column main rib 31 embedded in the independent foundation 2 is bent outward to form an anchoring end 311. Furthermore, a reinforcing steel bar cage 32 is embedded in the independent foundation 2 corresponding to the independent column 3, and part of the reinforcing steel bar cage 32 is embedded in the independent column 3. The design here makes the overall structure between the independent column 3 and the independent foundation 2 more stable.
Preferably, as shown in fig. 7 and 8, a cross beam 41 is arranged on the independent bearing platform 4, and the cross beam 41 transmits the force of the independent bearing platform 4 in each direction to the independent column 3, so that the overall stability of the foundation of the construction elevator is ensured.
The construction of the backfill layer and the independent columns will be described in detail below from the viewpoint of the construction method.
The part that backfill soil layer 7 is close to independent post 3 forms enhancement layer 71 through artifical tamp, and this enhancement layer 71 belongs to the utility model discloses foundation ditch backfill district construction elevator basis partly plays the bearing effect to the loading capacity on elevator upper portion. The stud 3 comprises a first part and a second part formed by casting. The backfill soil layer 7 is backfilled layer by layer to form a first backfill layer and a second backfill layer, the height of the first backfill layer is adapted to the height of the first part of the independent column 3, after the first part of the independent column 3 is formed by pouring, the first part of the independent column 3 is buried and fixed through the first backfill layer, and then the second part of the independent column 3 is formed by pouring.
It is following right the utility model discloses foundation ditch backfill district construction elevator foundation's construction flow explains.
1. According to the scheme, the independent foundation 2 is released for positioning, the center and the edge position of the independent foundation 2 are determined, and ink lines are popped out from the edge of the independent foundation 2 after the basic layer is cleaned.
2. And excavating the independent foundation 2 by adopting a long-arm excavator, removing soft and soaked foundation earthwork, and paying attention to protecting the bottom plate and the side wall from water in the excavation process.
3. Adopt C15 concrete to carry out first bed course 5 pouring construction, thickness is 100mm, pays attention to measuring control to first bed course 5 elevation.
4. C30 concrete is adopted to carry out pouring construction on the independent foundation 2, the position of the independent column 3 is well positioned before pouring, and the column main reinforcement 31 and the reinforcing steel bar cage 32 are checked and inserted.
5. The independent columns 3 are constructed in two sections, watering and maintenance are carried out in time after the independent columns 3 of the second part are constructed, and earth backfilling can be carried out after three days. And the backfill thickness is not more than 300mm, and the layers are tamped. The independent columns are symmetrically compacted by a manual tamping machine within a meter range, and the independent columns cannot be directly compacted by a digging machine so as to avoid being damaged.
6. Formwork support
And building the top surface of the backfill soil layer 7 by adopting a brick bed course, after the building is finished, pouring C15 concrete with the thickness of 100mm to form a second cushion layer 6, and then performing the pouring construction of the independent bearing platform 4 on the second cushion layer 6 by adopting C30 concrete.
7. The steel bars are bound according to the requirements of the scheme strictly, and the upper and lower steel bars are respectively bent and anchored by 12d at the edges of the independent foundation 2, the independent column 3 and the independent bearing platform 4 for enhancing the integrity of the foundation.
8. The concrete strength grade is C30, and when pouring, a vibrating rod is inserted for tamping. Especially, the bottom of the foundation is guaranteed to be vibrated in place, and root rot is prevented strictly. And after the pouring is finished, the surface of the concrete is smoothed, and the flatness is ensured to be less than or equal to 1/1000.
9. And after the pouring is finished, watering and maintaining the integral construction elevator foundation for at least 7 days, so that the construction elevator can be installed.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an independent post and the independent foundation that set up below construction elevator foundation for the loading capacity on construction elevator upper portion passes through independent post and independent foundation and transmits to the ground, even sink at the soil body of backfill soil, perhaps not in time carry out under the condition of backfilling to the basement side wall, can not cause the subsidence of construction elevator foundation yet, has ensured that construction elevator foundation has solid bearing capacity and structure steadiness.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. The utility model provides a foundation ditch backfill district construction elevator basis which characterized in that includes:
the independent foundation is arranged at the bottom of the foundation pit backfill area;
the independent column is arranged on the independent foundation and is positioned in the foundation pit backfill area;
backfilling to a backfill soil layer in the foundation pit backfilling area, wherein the independent foundation and the independent columns are fixedly embedded in the backfill soil layer, and the top surfaces of the backfill soil layer are flush with the top surfaces of the independent columns; and
and the independent bearing platforms are arranged on the independent columns, and the independent bearing platforms are partially arranged on the backfill soil layer.
2. The foundation pit backfill area construction elevator foundation according to claim 1, wherein a pit is dug in the bottom of the foundation pit backfill area corresponding to the independent foundation, and a first cushion layer is formed in the pit in a pouring mode;
the independent foundation is disposed on the first pad layer.
3. The foundation pit backfill area construction elevator foundation according to claim 1, wherein a second cushion layer in anchoring connection with the top of the independent columns is formed on the top surface of the backfill soil layer in a pouring mode;
the independent bearing platform is arranged on the second cushion layer.
4. The foundation pit backfill area construction elevator foundation according to claim 3, wherein the top surface of the backfill soil layer is built to form a brick moulding bed, and the brick moulding bed is enclosed to form a pouring space above the independent columns;
the second cushion layer is poured and formed in the pouring space;
the independent bearing platform is formed in the pouring space in a pouring mode and is located on the second cushion layer.
5. The foundation pit backfill area construction elevator foundation according to claim 1, wherein a column main rib is arranged in the independent column, part of the column main rib is embedded in the independent foundation, and the end part of the column main rib embedded in the independent foundation is bent outwards to form an anchoring end.
6. The foundation pit backfill area construction elevator foundation according to claim 5, wherein a reinforcing steel bar cage is embedded in a position corresponding to the independent column in the independent foundation, and the reinforcing steel bar cage is partially embedded in the independent column.
7. The foundation pit backfill area construction elevator foundation according to claim 6, wherein a cross beam is arranged on the independent bearing platform.
8. The foundation pit backfill region construction elevator foundation of claim 2, wherein the first pad layer has a cross-sectional dimension greater than a cross-sectional dimension of the isolated foundation.
9. The foundation pit backfill area construction elevator foundation according to claim 1, wherein the backfill soil layer is manually compacted to form a reinforcement layer adjacent to the independent columns.
10. The foundation pit backfill area construction elevator foundation of claim 9, wherein the independent columns include a first portion and a second portion formed by casting;
and the backfill soil layer is backfilled in a layered mode to form a first backfill layer and a second backfill layer, the height of the first backfill layer is matched with that of the first part of the independent column, and after the first part of the independent column is formed by pouring, the first part of the independent column is buried and then poured through the first backfill layer to form a second part of the independent column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822590.0U CN211447000U (en) | 2019-10-28 | 2019-10-28 | Foundation pit backfill area construction elevator foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822590.0U CN211447000U (en) | 2019-10-28 | 2019-10-28 | Foundation pit backfill area construction elevator foundation |
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| Publication Number | Publication Date |
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| CN211447000U true CN211447000U (en) | 2020-09-08 |
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| CN201921822590.0U Active CN211447000U (en) | 2019-10-28 | 2019-10-28 | Foundation pit backfill area construction elevator foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417310A (en) * | 2021-06-02 | 2021-09-21 | 中建二局第四建筑工程有限公司 | Construction method for foundation of column cap type elevator |
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2019
- 2019-10-28 CN CN201921822590.0U patent/CN211447000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417310A (en) * | 2021-06-02 | 2021-09-21 | 中建二局第四建筑工程有限公司 | Construction method for foundation of column cap type elevator |
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