CN213597021U - Construction elevator installation basis in foundation ditch - Google Patents

Construction elevator installation basis in foundation ditch Download PDF

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Publication number
CN213597021U
CN213597021U CN202021811248.3U CN202021811248U CN213597021U CN 213597021 U CN213597021 U CN 213597021U CN 202021811248 U CN202021811248 U CN 202021811248U CN 213597021 U CN213597021 U CN 213597021U
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foundation
top plate
construction elevator
pit
wall
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CN202021811248.3U
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何湘锋
刘磊
张双
李继越
党成凯
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Abstract

The utility model relates to a construction technical field especially relates to a construction elevator installation basis in foundation ditch. The construction elevator is installed on the foundation top plate; the foundation bottom plate is arranged at the bottom of the foundation pit, and a concrete layer is arranged between the foundation bottom plate and an original soil layer at the bottom of the foundation pit; the foundation roof passes through the pillar and supports to upper surface parallel and level with foundation ditch backfill, and the foundation roof passes through tie-beam fixed connection with the building outer wall, and the construction elevator is still including connecting the bridge, and connect bridge one end demountable installation on the foundation roof, and the other end is taken up and is established the upper edge at the foundation ditch. Through the foundation scheme, a stable installation foundation is provided for the construction elevator before the foundation pit is backfilled, and meanwhile, the normal foundation pit backfilling operation is not influenced.

Description

Construction elevator installation basis in foundation ditch
Technical Field
The utility model relates to a construction technical field especially relates to a construction elevator installation basis in foundation ditch.
Background
The construction elevator is a tool used for carrying workers and materials up and down in the building construction process and is generally positioned on the outer side of the building outer wall. The position of the elevator is thus inevitably coincident with the pit. For a deep foundation pit needing to be backfilled, an elevator is arranged on backfill soil of the foundation pit after the foundation pit is backfilled in a common construction elevator, but according to construction specifications, an outer wall of a building basement needs to be maintained before the foundation pit is backfilled, then waterproof measures are taken, and finally the foundation pit can be backfilled. The waiting time is longer, and the installation and construction progress of the elevator is influenced.
There is also the direct arrangement of external construction elevator on the basement roof, but this kind of elevator need carry out the back-lifting to the loading capacity receives the restriction, can't satisfy a large amount of transportation building material's requirement, has the risk of basement roof fracture moreover. Or the installation foundation of the elevator is directly arranged at the bottom of the foundation pit, so that although the elevator is stably and firmly installed, the foundation pit near the foundation pit at least constructed elevator can be backfilled after the construction elevator is dismantled. The site arrangement and the construction organization work on the construction site are seriously affected, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses construction elevator installation basis in foundation ditch.
The technical problem to be solved is that: the existing foundation can influence the backfill of the foundation pit by installing a construction elevator in the foundation pit, or the construction elevator is installed after the foundation pit is backfilled to influence the construction period.
For solving the technical problem, the utility model discloses construction elevator installation basis adopts following scheme in the foundation ditch. The construction elevator installation foundation in the foundation pit comprises a foundation bottom plate, a strut and a foundation top plate, wherein the foundation bottom plate and the foundation top plate are horizontally arranged, the foundation top plate is positioned right above the foundation bottom plate and connected through a vertical strut, and the construction elevator is installed on the foundation top plate;
the foundation bottom plate is arranged at the bottom of the foundation pit, and a concrete layer is arranged between the foundation bottom plate and an original soil layer at the bottom of the foundation pit;
the foundation top plate is supported to be flush with the upper surface of the backfill soil of the foundation pit through the support columns, the foundation top plate is fixedly connected with the building outer wall through the connecting beam, and the connecting beam extends from the side surface of the foundation top plate to the building outer wall and is integrated with the building outer wall;
the construction elevator further comprises a connecting bridge, one end of the connecting bridge is detachably mounted on the foundation top plate, and the other end of the connecting bridge is erected on the upper edge of the foundation pit.
Furthermore, a ceiling is installed on the connecting bridge.
Furthermore, the foundation bottom plate, the pillars, the foundation top plate and the connecting beams are made of reinforced concrete.
Furthermore, the foundation top plate, the connecting beam and the steel bars of the building outer wall are bound into a whole.
Furthermore, the tie-beam includes a plurality ofly, and a plurality of tie-beams are at the equidistant interval setting in gap department of basic roof and building outer wall.
Furthermore, the area of the foundation top plate is larger than the projection area of the construction elevator, and a space which is not smaller than 50cm is reserved outside the projection of the construction elevator by the foundation top plate.
Furthermore, the foundation bottom plate is larger than the foundation top plate, and the foundation bottom plate is connected with the foundation top plate through a plurality of supporting columns; the area of the concrete layer under the foundation slab is larger than that of the foundation slab, and the foundation slab and the concrete layer are built simultaneously.
Furthermore, foundation bolts are pre-embedded in the foundation top plate and used for installing the construction elevator.
Furthermore, the standard knot of construction elevator is installed in the top surface of basis near the one side of building outer wall, and the car setting of construction elevator is in the middle part of basis top surface.
Furthermore, the pillars are divided into two rows, the pillars in the first row are arranged on one side, close to the building outer wall, of the foundation top plate at intervals, and the pillars in the second row are arranged on one side, far away from the building outer wall, of the foundation top plate at intervals; the number of the first row of pillars close to the outer wall of the building is larger than that of the second row of pillars far away from the outer wall of the building.
The utility model discloses construction elevator installation basis is compared with prior art in the foundation ditch, has following beneficial effect:
the utility model discloses an install the construction elevator on elevator installation basis, the installation basis sets up in the foundation ditch, through the installation basis with the elevator raise to with the position of the high parallel and level of foundation ditch backfill. Therefore, a stable installation foundation is provided for the construction elevator when the foundation pit is not backfilled, and the problem that the construction elevator can be installed after long-time waiting for foundation pit backfilling is avoided. When the foundation pit is backfilled, the mounting foundation of the ladder can be directly buried in the foundation pit without dismantling, and the foundation pit backfilling operation cannot be carried out. Meanwhile, the bottom surface of the installation foundation of the ladder is arranged on an original soil layer at the bottom of the foundation pit instead of backfill soil, a stable installation foundation can be provided, the problem of settlement is effectively avoided, and the safety of the construction elevator is improved.
For further improvement of the stability of the installation foundation, a concrete layer is arranged between the bottom of the foundation pit and the foundation slab of the installation foundation at first, concrete is poured on the bottom and the side wall of the foundation pit under many conditions to prevent water seepage, and the concrete layer can be concrete which needs to be poured on the bottom of the foundation pit. Then connect the mode that the building outer wall other end is connected the basis roof through tie-beam one end, be connected installation basis and building subject, the structural stability of effectual utilization building itself keeps the stability of installation basis. The connecting beam, the foundation top plate of the installation foundation and the building outer wall are constructed simultaneously and are directly connected into a whole when concrete is poured.
When the foundation pit is not backfilled, the construction elevator and the outer side of the foundation pit are communicated through the connecting bridge, so that the problem that a constructor can take the elevator when the constructor needs to go into the foundation pit is solved. The connecting bridge is detachably connected and can be detached after the foundation pit is backfilled, and due to the fact that the mounting top plate for mounting the construction elevator is flush with the surface of the backfilled foundation pit, personnel can directly walk on the construction elevator after the foundation pit is backfilled.
Drawings
Fig. 1 is a sectional view of the technical construction elevator of the present invention after the installation foundation is set;
FIG. 2 is a top view of the mounting base body portion of the present invention;
fig. 3 is a front view of the mounting base body portion of the present invention.
Description of reference numerals: 1-foundation bottom plate, 2-support column, 3-foundation top plate, 4-connecting bridge, 5-construction elevator, 6-connecting beam, 7-building outer wall, 8-concrete layer and 9-foundation pit.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to fig. 1; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
In order to solve the problem that a construction elevator 5 is inconvenient to arrange after a foundation pit 9 is excavated around a building main body, the utility model provides an installation foundation of the construction elevator in the foundation pit, as shown in figures 1-3, the installation foundation of the construction elevator in the foundation pit comprises a foundation bottom plate 1, a support column 2 and a foundation top plate 3, the foundation bottom plate 1 and the foundation top plate 3 are horizontally arranged, the foundation top plate 3 is positioned right above the foundation bottom plate 1 and is connected through the vertical support column 2, and the construction elevator 5 is arranged on the foundation top plate 3;
the foundation bottom plate 1 is arranged at the bottom of the foundation pit 9, and a concrete layer 8 is arranged between the foundation bottom plate 1 and an original soil layer at the bottom of the foundation pit 9;
basic roof 3 supports to upper surface parallel and level with foundation ditch 9 backfill through pillar 2, and basic roof 3 passes through tie-beam 6 fixed connection with building outer wall 7, and tie-beam 6 closes as an organic whole to building outer wall 7 extension and with building outer wall 7 from basic roof 3 side.
Construction elevator 5 is still including connecting bridge 4, and 4 one ends demountable installation of connecting bridge are on basic roof 3, and the other end sets up the top edge at foundation ditch 9.
The foundation slab 1 is stably placed at the bottom of the foundation pit 9, so that the foundation slab 1 is horizontally arranged at the bottom of the foundation pit 9, the foundation slab 1 is arranged on an undisturbed soil layer which is not disturbed at the bottom of the foundation pit 9, and for further improving the stability of the foundation slab 1, a concrete layer 8 is further arranged between the foundation slab 1 and the soil layer at the bottom of the foundation pit 9, and the foundation slab 1 is arranged on the concrete layer 8. The concrete layer 8 can be concrete poured for waterproofing and reinforcing the foundation pit 9 and belongs to a part of the foundation pit 9; like this on the one hand the concrete layer 8 area that has in the bottom of foundation ditch 9 is big, covers whole foundation ditch 9 bottoms and foundation ditch 9 lateral walls, and foundation bottom plate 1 sets up more stably, and on the other hand utilizes the inherent part of foundation ditch 9 bottom self to reduce the cost. Preferably, the foundation slab 1 and the concrete layer 8 at the bottom of the foundation pit 9 are constructed synchronously.
The foundation top plate 3 is a platform for installing a construction elevator 5, and the foundation top plate 3 is lifted up in a mode of connecting the foundation top plate 3 with the foundation bottom plate 1 through the support columns 2 to reach a position which is level with the backfill height of the foundation pit 9 after backfilling. The horizontal arrangement of the foundation roof 3 keeps the upper surface of the foundation roof 3 horizontal to install the construction elevator 5, the support legs are located between the foundation roof 3 and the foundation bedplate 1, and the support legs are vertically arranged. The number of the legs is plural according to the circumstances, and the plurality of legs are provided at intervals between the foundation bottom plate 1 and the foundation top plate 3. During construction, the foundation bottom plate 1 and the concrete layer 8 at the bottom of the foundation pit 9 are constructed synchronously, the foundation top plate 3 and the connecting beam 6 are constructed synchronously with the building outer wall 7, and the support column 2 is selected to be constructed between two times or is constructed synchronously with one of the two times.
Before the foundation pit 9 is backfilled, in order to communicate the foundation top plate 3 provided with the construction elevator 5 with the outside of the foundation pit 9, a connecting bridge 4 is arranged between the foundation top plate 3 and the outer edge of the foundation pit 9. Connect bridge 4 demountable installation on basic roof 3, can demolish after foundation ditch 9 backfills the completion, connect the other end of bridge 4 and set up at the edge of foundation ditch 9, personnel can reach on the basic roof 3 through connecting bridge 4. The connecting bridge 4 is made of steel.
Preferably, a ceiling is arranged above the connecting bridge 4 in order to prevent a falling object from injuring a person on the connecting bridge 4.
The installation base of the elevator needs to remain sufficiently strong and durable, while from a cost point of view it is preferred that the base bottom plate 1, the pillars 2, the base top plate 3 and the connecting beams 6 of the installation base are of reinforced concrete. The same material as the building body, and preferably,
the foundation top plate 3, the connecting beam 6 and the outer wall of the building main body are synchronously constructed, the reinforcing steel bars of the foundation top plate 3, the connecting beam 6 and the building outer wall 7 are bound together, and then concrete is uniformly poured. The connecting beam 6 comprises a plurality of connecting beams 6, and the plurality of connecting beams 6 are arranged at the gaps of the foundation roof 3 and the building outer wall 7 at equal intervals.
Preferably, in order to improve the stability of the installation foundation, the foundation bedplate 1 needs to be arranged to be large enough, and the foundation top plate 3 is arranged right above the foundation bedplate 1. Therefore, the area of the foundation top plate 3 is larger than the projection area of the construction elevator 5, and a space which is not smaller than 50cm is reserved outside the projection of the construction elevator 5 by the foundation top plate 3. The foundation bottom plate 1 is larger than the foundation top plate 3, and the foundation bottom plate 1 and the foundation top plate 3 are connected through the multi-heel supporting columns 2; the area of the concrete layer 8 under the foundation slab 1 is larger than that of the foundation slab 1, and the foundation slab 1 and the concrete layer 8 are built simultaneously.
Foundation bolts are embedded in the foundation top plate 3 and used for installing the construction elevator 5. While anchor bolts can also be used for mounting the connecting bridge 4.
The utility model discloses a construction flow: after the foundation pit 9 is excavated, the foundation slab 1 is constructed when the concrete layer 8 is poured at the bottom of the foundation pit 9 and the side wall of the foundation pit 9, and then when the building outer wall 7 is constructed, the foundation roof 3 and the connecting bridge 4 are simultaneously bound by reinforcing steel bars and poured by concrete, so that the foundation roof 3, the connecting bridge 4 and the building outer wall 7 are connected into a whole. The supporting column 2 is constructed between two constructions, and can be constructed synchronously with the foundation bedplate 1 or the foundation top plate 3. The elevator and the installation of the connecting bridge 4 are arranged after the strength of the reinforced concrete of the installation base reaches the standard.
The doors of the construction elevator 5, which are arranged outside the building outer wall 7, are typically arranged on the side remote from the building outer wall 7, and the standard knots for load bearing are located closer to the building outer wall 7 than the cars, for example. Therefore, as shown in fig. 1, the standard knot of the construction elevator 5 is installed on the side of the foundation ceiling surface near the building outer wall 7, and the cage of the construction elevator 5 is disposed in the middle of the foundation ceiling surface. A certain space is reserved in front of the car for constructors to get on and off the elevator. This arrangement then results in the installation foundation being more stressed on the side adjacent the outer wall, so that more columns 2 need to be provided on the side adjacent the building outer wall 7 to support the weight of the standard knot.
As shown in fig. 2 in particular, the pillars 2 include a plurality of pillars 2, the pillars 2 are divided into two rows, the pillars 2 in the first row are arranged on the foundation roof 3 at intervals on one side close to the building outer wall 7, and the pillars 2 in the second row are arranged on the foundation roof 3 at intervals on one side far from the building outer wall 7; the number of the first row of pillars 2 near the building outer wall 7 is greater than that of the second row of pillars 2 far from the building outer wall 7.
According to the use type and the position of the construction elevator 5, the specific specification of the foundation of the construction elevator 5 is designed, the size of the load transmitted to the surface of the foundation by the construction elevator 5 is calculated, the cross section sizes and the number of the top plate 3, the bottom plate 1 and the support column 2 of the foundation, the reinforcing bars of the installation foundation and the concrete marks are checked to confirm whether the design requirements are met, and the nodes of the support column 2 and the connecting beam 6 are reinforced if necessary. The foundation top plate 3, the support column 2 and the foundation bottom plate 1 of the installation foundation of the construction elevator 5 are connected by adopting steel bar anchoring.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not limited to the scope of the present invention, and the ordinary skilled person in the art can modify and improve the technical solution of the present invention without departing from the design spirit of the present invention, including using the present invention in old house decoration, and all should fall into the protection scope defined by the claims of the present invention.

Claims (8)

1. A construction elevator installation foundation in a foundation pit is characterized by comprising a foundation slab (1), pillars (2) and a foundation top plate (3), wherein the foundation slab (1) and the foundation top plate (3) are horizontally arranged, the foundation top plate (3) is positioned right above the foundation slab (1) and connected through the vertical pillars (2), and a construction elevator (5) is installed on the foundation top plate (3);
the foundation slab (1) is arranged at the bottom of the foundation pit (9), and a concrete layer (8) is arranged between the foundation slab (1) and an original soil layer at the bottom of the foundation pit (9);
the foundation top plate (3) is supported to be flush with the upper surface of backfill soil of the foundation pit (9) through the support column (2), the foundation top plate (3) is fixedly connected with the building outer wall (7) through the connecting beam (6), and the connecting beam (6) extends from the side surface of the foundation top plate (3) to the building outer wall (7) and is integrated with the building outer wall (7);
construction elevator (5) are still including connecting bridge (4), connect bridge (4) one end demountable installation on basic roof (3), and the other end is set up at the top edge of foundation ditch (9).
2. The foundation pit internal construction elevator installation foundation according to claim 1, characterized in that a ceiling is installed on the connecting bridge (4).
3. The foundation pit internal construction elevator installation foundation of claim 1, characterized in that, the foundation bottom plate (1), the support pillar (2), the foundation top plate (3) and the connecting beam (6) are made of reinforced concrete.
4. The foundation pit internal construction elevator installation foundation of claim 3, wherein the foundation top plate (3), the connecting beam (6) and the steel bars of the building outer wall (7) are bound into a whole.
5. The in-pit construction elevator installation foundation according to claim 4, characterized in that the connection beam (6) comprises a plurality of connection beams (6) which are arranged at equal intervals at the gap between the foundation top plate (3) and the building outer wall (7).
6. The construction elevator installation foundation in the foundation pit as claimed in claim 1, wherein the area of the foundation top plate (3) is larger than the projected area of the construction elevator (5), and a space not smaller than 50cm is reserved outside the projection of the construction elevator (5) for the foundation top plate (3).
7. The foundation pit internal construction elevator installation foundation is characterized in that a foundation bottom plate (1) is larger than a foundation top plate (3), and the foundation bottom plate (1) and the foundation top plate (3) are connected through a plurality of supporting columns (2);
the area of the concrete layer (8) under the foundation slab (1) is larger than that of the foundation slab (1).
8. The foundation pit internal construction elevator installation foundation according to claim 1, characterized in that foundation bolts are embedded on the foundation top plate (3) for installing the construction elevator (5).
CN202021811248.3U 2020-08-26 2020-08-26 Construction elevator installation basis in foundation ditch Active CN213597021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021811248.3U CN213597021U (en) 2020-08-26 2020-08-26 Construction elevator installation basis in foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021811248.3U CN213597021U (en) 2020-08-26 2020-08-26 Construction elevator installation basis in foundation ditch

Publications (1)

Publication Number Publication Date
CN213597021U true CN213597021U (en) 2021-07-02

Family

ID=76585637

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021811248.3U Active CN213597021U (en) 2020-08-26 2020-08-26 Construction elevator installation basis in foundation ditch

Country Status (1)

Country Link
CN (1) CN213597021U (en)

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