CN209941689U - Reinforcing device - Google Patents
Reinforcing device Download PDFInfo
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- CN209941689U CN209941689U CN201920244694.1U CN201920244694U CN209941689U CN 209941689 U CN209941689 U CN 209941689U CN 201920244694 U CN201920244694 U CN 201920244694U CN 209941689 U CN209941689 U CN 209941689U
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Abstract
The utility model provides a reinforcing device, which comprises a plurality of concrete cast-in-place piles and an unsealed underground continuous wall, wherein the length of each concrete cast-in-place pile is greater than the depth of a foundation pit; reinforcing steel bars are arranged in each concrete cast-in-place pile; i-shaped steel is arranged on the unsealed side of the underground continuous wall, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit; and steel gratings are arranged between two adjacent concrete cast-in-place piles and between the concrete cast-in-place piles and the I-steel, and the steel gratings are positioned above the bottom of the foundation pit.
Description
Technical Field
The utility model belongs to the technical field of municipal works construction, especially, relate to a reinforcing apparatus.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In municipal engineering construction such as urban rail transit open cut station and accessory facility deep foundation pit excavation construction, underground space comprehensive development, often meet the problem that various pipelines are difficult to move and change, generally adopt in situ protection measure.
The inventor finds that under certain specific environmental conditions, the pipeline protected in situ can also influence the excavation construction of a deep foundation pit or the structure construction of an underground structure, so that the construction of the enclosure structure for the excavation construction of the deep foundation pit is difficult, especially in a water-rich gravel stratum, the enclosure structure cannot be closed or the enclosure structure cannot meet the excavation condition of the deep foundation pit, and a great risk of the excavation construction of the deep foundation pit is formed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the present disclosure provides a reinforcing apparatus, which can improve the stability of the deep foundation pit in the excavation process.
The technical scheme of the reinforcing device is as follows:
a reinforcement device, comprising:
the length of each concrete cast-in-place pile is greater than the depth of the foundation pit; reinforcing steel bars are arranged in each concrete cast-in-place pile;
i-shaped steel is arranged on the unsealed side of the underground continuous wall, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit;
and steel gratings are arranged between two adjacent concrete cast-in-place piles and between the concrete cast-in-place piles and the I-steel, and the steel gratings are positioned above the bottom of the foundation pit.
The I-shaped steel is a component of an underground continuous wall, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit and is a component of a station structure.
Further, the steel grids are arranged at equal intervals.
Furthermore, a first crown beam is arranged at a set elevation at the top of the cast-in-place pile, a second crown beam is arranged at the top of the underground continuous wall, and the first crown beam and the second crown beam are connected to form a crown beam integral structure.
Above-mentioned technical scheme's advantage lies in, utilizes the steel grating that sets up between two adjacent concrete bored concrete piles and between concrete bored concrete pile and the I-steel to connect into whole with bored concrete pile and underground continuous wall, and the first crown beam in bored concrete pile top forms wholly with underground continuous wall top second crown beam, improves whole reinforcing apparatus's stability.
Furthermore, the overall structure of the crown beam is provided with a military and civilian beam, a steel wire rope is suspended on the military and civilian beam, and a power pipe ditch is suspended on the steel wire rope.
Furthermore, the military beam is erected on the integral structure of the crown beams on two sides of the foundation pit.
The beneficial effects of this disclosure are:
the reinforcing device provided by the disclosure comprises a plurality of cast-in-place concrete piles and I-shaped steel on the unsealed side of the underground continuous wall, wherein the cast-in-place concrete piles extend deep to the bottom of a foundation pit; still be provided with steel grating above foundation ditch bottom, steel grating sets up between two adjacent concrete bored concrete piles and between the I-steel of concrete bored concrete pile and underground continuous wall unclosed side, has improved the stability of deep foundation ditch excavation construction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic structural diagram of a reinforcing apparatus provided in an embodiment of the present disclosure.
In the figure: 1-crown beam 2-military beam 3-steel wire rope 4-electric power pipe trench 5-I-steel 6-steel grating 7-foundation pit bottom 8-cast-in-place pile
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, a reinforcing apparatus of the present embodiment includes:
the concrete cast-in-place pile comprises a plurality of concrete cast-in-place piles 8 and an unsealed underground continuous wall, wherein the length of each concrete cast-in-place pile 8 is greater than the depth of a foundation pit; reinforcing steel bars are arranged in each concrete cast-in-place pile 8;
the unsealed side of the underground continuous wall is provided with I-shaped steel 5, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit;
all be provided with steel grating 6 between two adjacent concrete bored concrete piles 8 and between concrete bored concrete pile 8 and I-steel 5, steel grating 6 is located foundation ditch bottom 7 top.
The I-shaped steel 5 is a component of an underground continuous wall, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit and is a component of a station structure.
Wherein, the steel grating 6 is composed of a group of parallel steel grating bars.
In a specific implementation, the steel grids 6 are arranged at equal intervals.
Specifically, the pitch of the steel grating 6 may be set to 50 cm.
The optimal distance of 6 intervals of steel grating is 50cm, can save whole reinforcing apparatus's consumptive material like this on the one hand, and on the other hand can improve the purpose of reinforcing apparatus stability.
In other alternative technical schemes, the distance between the steel grids 6 can also be set to other distance values according to the specific engineering hydrogeology and the depth of the foundation pit.
Wherein, set for the elevation department at bored concrete pile 8 tops and be provided with first crown beam, underground continuous wall's top is provided with the second crown beam, first crown beam and second crown beam are connected and are formed crown beam 1 overall structure.
Specifically, the I-shaped part 5 is a structural component of the framing construction of the underground continuous wall, and a first crown beam is constructed at the top of the cast-in-place pile 8 and connected with a second crown beam at the top of the underground continuous wall to form an integral structure.
The stability of the whole reinforcing device is improved by utilizing the integral structure of the crown beam 1.
The overall structure of the crown beam 1 is provided with a military and civilian beam 2, a steel wire rope 3 is hung on the military and civilian beam 2, and a power pipe ditch 4 is hung on the steel wire rope 3.
Specifically, the military and civilian beams 2 are erected on the integral structure of the crown beams 1 on two sides of the foundation pit.
Wherein, crown beam 1 sets up the reinforced concrete continuous beam at foundation ditch peripheral support (enclosure) structure (mostly be stake and wall) top, and its effect is first link together all pile foundations (like drilling bored concrete pile, dig bored concrete pile soon etc.), prevents that foundation ditch (shaft) top edge from producing and collapsing, and it is second to undertake the crowded effort of level and the vertical shear force of steel shotcrete (or reinforced concrete support) through the bracket, must chisel the laitance etc. of pile bolck during crown beam 1 construction.
The military beam 2, also known as a military beam, is a fabricated structural steel beam comprised of a plurality of lightweight steel members. Generally, the components are connected into a whole by bolts and pins at the use place, and can also be erected in a whole group. It features light weight, strong exchangeability, quick assembling and disassembling, convenient transportation, and can be used repeatedly.
The reinforcing device provided by the embodiment comprises a plurality of cast-in-place concrete piles 8 and I-shaped steel 5 on the unsealed side of the underground continuous wall, wherein the cast-in-place concrete piles 8 penetrate into the bottom 7 of a foundation pit; still be provided with steel grating 6 above foundation ditch bottom 7, steel grating 6 sets up between two adjacent concrete bored concrete piles 8 and between concrete bored concrete pile 8 and the I-steel 5 of underground continuous wall not closed side, has improved the stability of deep foundation ditch excavation construction.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (5)
1. A reinforcement device, comprising:
the length of each concrete cast-in-place pile is greater than the depth of the foundation pit; reinforcing steel bars are arranged in each concrete cast-in-place pile;
i-shaped steel is arranged on the unsealed side of the underground continuous wall, and the underground continuous wall is arranged on the outer side of the side wall of the foundation pit;
and steel gratings are arranged between two adjacent concrete cast-in-place piles and between the concrete cast-in-place piles and the I-steel, and the steel gratings are positioned above the bottom of the foundation pit.
2. A reinforcing arrangement according to claim 1, wherein said steel grates are equally spaced.
3. The reinforcing apparatus of claim 1, wherein a first crown beam is provided at a set elevation on the top of the cast-in-place pile, and a second crown beam is provided on the top of the underground continuous wall, and the first crown beam and the second crown beam are connected to form a crown beam integral structure.
4. The reinforcing apparatus as claimed in claim 3, wherein the crown beam is integrally formed with a military beam, a steel wire rope is suspended from the military beam, and a power pipe is suspended from the steel wire rope.
5. A reinforcing apparatus according to claim 4, wherein said military beams are erected on the integral structure of the crown beams on both sides of the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244694.1U CN209941689U (en) | 2019-02-26 | 2019-02-26 | Reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244694.1U CN209941689U (en) | 2019-02-26 | 2019-02-26 | Reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209941689U true CN209941689U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920244694.1U Active CN209941689U (en) | 2019-02-26 | 2019-02-26 | Reinforcing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723065A (en) * | 2019-02-26 | 2019-05-07 | 济南轨道交通集团有限公司 | Deep basal pit freezing partly reinforced construction method in bracing means and rich water sandy pear variety |
| CN113430912A (en) * | 2021-06-18 | 2021-09-24 | 广东省建筑设计研究院有限公司 | Repairing and reinforcing device and repairing and reinforcing method for river-crossing cable trench |
-
2019
- 2019-02-26 CN CN201920244694.1U patent/CN209941689U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723065A (en) * | 2019-02-26 | 2019-05-07 | 济南轨道交通集团有限公司 | Deep basal pit freezing partly reinforced construction method in bracing means and rich water sandy pear variety |
| CN109723065B (en) * | 2019-02-26 | 2023-11-03 | 济南轨道交通集团有限公司 | Reinforcing device and deep foundation pit local freezing reinforcing construction method in water-rich gravel stratum |
| CN113430912A (en) * | 2021-06-18 | 2021-09-24 | 广东省建筑设计研究院有限公司 | Repairing and reinforcing device and repairing and reinforcing method for river-crossing cable trench |
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