CN218373936U

CN218373936U - Side slope temporary support structure combining cement micro pile and soil nailing wall

Info

Publication number: CN218373936U
Application number: CN202222429432.7U
Authority: CN
Inventors: 刘超; 袁小清; 伍腾飞; 冯溢; 吴光冰; 李友海; 张忠钦; 刘书才; 夏勇; 田茂盛; 卓中刚; 万多多; 王海; 罗飞; 席鸿官; 程运; 陈勇婵; 冯煜; 贺宏飞; 陈廷伟
Original assignee: China Southwest Architectural Design and Research Institute Co Ltd
Current assignee: China Southwest Architectural Design and Research Institute Co Ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-24
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a side slope temporary support structure combining a cement micro pile and a soil nailing wall, which comprises a side slope hardening layer, soil nails and micro piles, wherein the soil nails penetrate into a soil body on the inner side of the side slope hardening layer from a side line of the side slope hardening layer, the micro piles penetrate into the soil body on the inner side of the side slope hardening layer downwards from the top of the side slope hardening layer, and the soil nails and the micro piles are arranged in a staggered manner; miniature stake is including setting up in the pile bolck board at side slope sclerosis layer top, and pile bolck board bottom sets up the seamless steel pipe of several downwards, and the steel pipe sets up the mud jacking pipe outward, and the steel outside of tubes fills into and forms the pile body simultaneously, the utility model discloses use miniature stake, the construction is simple quick and low in cost, consolidates the back at miniature stake, excavates to the side slope again and puts the slope, carries out soil nail wall again and struts, and the slope rate of this soil nail wall can be put very steep also can satisfy the stability requirement, the utility model discloses can be under the limited circumstances of excavation condition, use minimum side slope space to consolidate to the side slope to construction period is fast, the cost is low, and the security is good.

Description

Side slope temporary support structure combining cement micro pile and soil nailing wall

Technical Field

The utility model relates to a supporting construction technical field specifically indicates a side slope temporary support structure that miniature stake of cement and soil nail wall unite.

Background

When the building side slope is constructed, various construction condition limitations are inevitable, for example, when the retaining wall is constructed, a working face needs to be excavated, the excavated slope rate needs to meet the safety of the construction period, and therefore, enough slope space is needed. However, the existing building exists on the top of the slope or construction cannot be performed outside the earth and the red line, so that the working surface of the retaining wall cannot meet the requirements, the retaining wall cannot be used as a slope support measure, and expensive support measures such as slide-resistant piles and the like can be used, so that the cost is greatly increased; for the situation, temporary support measures can be used to ensure the construction working surface of the retaining wall, and if the soil quality is better and the slope space is enough, the soil nailing wall can be used for temporary support, and belongs to the economic and reasonable temporary support measures. However, in actual construction, when the soil quality of the side slope is poor and the space for placing the side slope can only be placed at a steep slope rate, the soil nailing wall cannot ensure the safety of the side slope. However, temporary support using costly support measures is not easy, so that a temporary support measure which can satisfy harsh construction conditions and ensure safety and economy is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme does: a temporary side slope supporting structure combining a cement micro pile and a soil nailing wall comprises a side slope hardening layer, soil nails and micro piles, wherein the soil nails penetrate into soil on the inner side of the side slope hardening layer from side lines of the side slope hardening layer, the micro piles penetrate into the soil on the inner side of the side slope hardening layer downwards from the top of the side slope hardening layer, and the soil nails and the micro piles are arranged in a staggered mode; the miniature pile is including setting up in the pile bolck board at side slope sclerosis layer top, pile bolck board bottom sets up the seamless steel pipe of several downwards, the steel pipe sets up the mud jacking pipe outward, and the steel outside of tubes fills in simultaneously forms the pile body.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses use miniature stake, the construction is simple quick and low in cost, and after miniature stake is consolidated, the slope is excavated again and is put the slope, carries out soil nail wall again and struts, and the slope rate of this soil nail wall can be put very steep also can satisfy the stability requirement, the utility model discloses can use minimum slope space to consolidate the slope under the limited condition of excavation condition to construction period is fast, the cost is low, and the security is good.

Drawings

Fig. 1 is the utility model discloses a side slope temporary support structure's that cement micropile and soil nailing wall unite schematic structure.

Fig. 2 is the utility model relates to a miniature stake of side slope temporary support structure that cement miniature stake and soil nail wall unite the schematic structure drawing.

Fig. 3 is the utility model discloses a miniature stake of side slope temporary support structure of cement miniature stake and soil nail wall combination's top structure sketch map.

Fig. 4 is the internal structure schematic diagram of the micro-pile in the temporary side slope supporting structure combined by the cement micro-pile and the soil nailing wall of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example (b):

with reference to the attached drawings 1-4, the temporary slope supporting structure combining the cement micro piles and the soil nailing wall comprises a slope hardened layer 1, soil nails 2 and micro piles 3, wherein the soil nails 2 penetrate into soil on the inner side of the slope hardened layer 1 from a side line of the slope hardened layer 1, the micro piles 3 penetrate into soil on the inner side of the slope hardened layer 1 downwards from the top of the slope hardened layer 1, and the soil nails 2 and the micro piles 3 are arranged in a staggered mode; a later backfill layer 4 and a rubble concrete retaining wall layer 5 are sequentially arranged on the outer side of the slope hardening layer 1; drainage ditches 6 are respectively arranged at the top 4 of the later-stage backfill layer and the outer side bottom of the rubble concrete retaining wall layer 5

The micro pile 3 comprises a pile top plate 301 arranged at the top of the side slope hardened layer 1, a plurality of seamless steel pipes 302 are downwards arranged at the bottom of the pile top plate 301, grouting pipes 303 are arranged outside the steel pipes 302, and meanwhile, the steel pipes 302 are poured to form a pile body 304; the pile top plate 301 is long and is disposed along the longitudinal direction of the slope hardened layer 1.

Generally, under the conditions that the common soil nailing wall is poor in soil quality and the slope rate of the side slope is steep, the safety cannot be guaranteed; in the scheme, the reinforcing principle of the miniature piles is similar to that of slide-resistant piles, the diameter of the used miniature piles is about 200-250mm, drilling is carried out by using a drilling machine, steel pipes are put down, then cement slurry is injected for filling, and then the piles are embedded and fixed by using reinforced concrete top plates at the tops of the row piles, so that the construction is simple and rapid, and the manufacturing cost is low; after the miniature piles are reinforced, the side slope is excavated and supported by the soil nailing wall, and the slope rate of the soil nailing wall can be steep and can also meet the stability requirement. The soil nails are driven between the piles at certain intervals, so that the stability of the piles is prevented from being damaged in the driven piles. The measure can also be used as a permanent supporting measure under the conditions of lower slope height and better soil quality. The utility model discloses a diameter, interval and the row number of miniature stake still have soil nailing wall stock length to adjust according to side slope geological conditions, but structure and principle are unchangeable.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a side slope temporary support structure that miniature stake of cement and soil nail wall are united, a serial communication port, including side slope sclerosis layer, soil nail and miniature stake, the soil nail penetrates the inboard soil body in side slope sclerosis layer from side slope sclerosis layer sideline, miniature stake penetrates the inboard soil body in side slope sclerosis layer downwards from side slope sclerosis layer top, the setting of staggering of soil nail and miniature stake.

2. The temporary slope supporting structure combining the cement micro pile and the soil nailing wall as claimed in claim 1, wherein the micro pile comprises a pile top plate arranged at the top of the hardened layer of the slope, a plurality of seamless steel pipes are arranged downwards at the bottom of the pile top plate, a mud jacking pipe is arranged outside the steel pipes, and the steel pipes are poured outside the steel pipes to form a pile body.

3. The temporary slope supporting structure of cement micro-piles combined with soil nailing walls as claimed in claim 2, wherein the pile top plate is of a long strip shape and is arranged along the length direction of the hardened layer of the slope.

4. The temporary side slope supporting structure combining the cement micro piles and the soil nailing wall as claimed in claim 1, wherein a later-stage backfill layer and a rubble concrete retaining wall layer are sequentially arranged outside the side slope hardening layer.

5. The temporary side slope supporting structure combining the cement micro pile and the soil nailing wall as claimed in claim 4, wherein drainage ditches are respectively arranged at the top of the later-stage backfill layer and at the bottom of the outer side of the rubble concrete retaining wall layer.