Backfill construction for periphery of road inspection well

Abstract

The utility model relates to backfill construction, belongs to the technical field of constructional engineering, and particularly relates to road inspection well periphery backfill construction which comprises an inspection well, a plurality of wall vertical ribs are fixedly mounted in the inspection well, and a plurality of wall horizontal ribs are fixedly mounted on each wall vertical rib. A throwing rib is fixedly mounted on each wall vertical rib, and one end of each throwing rib penetrates through the inspection well; the utility model achieves the effects of improving the backfill quality and having better economic benefits, and solves the problems that the existing earthwork backfill is not dense and is easy to wash by rainwater, so that the pavement around the inspection well is in an empty shell state and settles, dangerous events such as collapse occur in severe cases, and the later maintenance and repair cost is higher.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a backfilling construction method around road inspection wells. Background Technology

[0002] With the rapid development of social modernization, road construction has become an important part of urban development. For the manholes in the middle of the road, it has been found that the road around the manholes has subsided in many cases. In severe cases, much of the soil under the road around the manholes has been lost, leaving a hollow shell.

[0003] A search revealed Chinese patent CN219175317U, which discloses a road manhole construction device. The device includes a nylon bag with a rubber rib around its inner side. The bag is filled with gravel and soil. Several vent holes and grooves are located on the upper surface of the bag, within which lifting rings are connected. A steel wire rope is connected to the lower end of each lifting ring and fixed downwards to an anchor end baffle, which is fixed to the lower surface inside the nylon bag. This utility model of road manhole construction device changes the traditional construction structure and method, representing a completely new construction structure. It avoids the reverse excavation process, not only accelerating the construction process but also improving the overall project quality.

[0004] Based on the above search results combined with existing technologies;

[0005] While the aforementioned patent search can examine the implementation process, during earthwork backfilling and layered compaction, the road roller has difficulty compacting the soil in that area, resulting in loose backfill that is easily washed away by rainwater. This causes the road surface around the manhole to be in a hollow state, leading to settlement, and in severe cases, dangerous events such as landslides. In addition, the subsequent maintenance and repair costs are high, thus having certain limitations. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model proposes a backfilling construction method around road inspection wells, which improves the compaction effect of earthwork backfilling and avoids ground settlement.

[0007] The technical solution to achieve the purpose of this utility model is as follows: a backfilling construction around a road inspection well, including an inspection well, with multiple wall vertical bars fixedly installed inside the inspection well, multiple wall horizontal bars fixedly installed on each of the wall vertical bars, and a spur bar fixedly installed on each of the wall vertical bars, with one end of the spur bar penetrating through the inspection well.

[0008] Preferably, one end of the reinforcing bar is welded with a reinforcing bar, the outer peripheral wall of the inspection well is provided with a foundation trench, and the foundation trench is filled with backfill aggregate.

[0009] Compared with existing technologies, the significant advantages of this invention are:

[0010] Firstly, this utility model uses reinforcing bars, reinforcement bars, and backfill aggregate to replace and reinforce the loosely compacted soil around the inspection well, ensuring that the aggregate around the inspection well is stable and does not sink.

[0011] Secondly, this utility model reduces the risk of road subsidence or collapse around the manhole in the later stages, and reduces the maintenance and repair costs in the later stages. At the same time, this utility model is fast and simple to construct.

[0012] This solves the problem that existing backfill soil is not dense and is easily washed away by rainwater, resulting in the road surface around the manhole being in a hollow state, causing settlement, and in severe cases, dangerous events such as collapse. At the same time, the cost of subsequent maintenance and repair is also high. Attached Figure Description

[0013] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0014] Figure 1 This is a side sectional view of the structure provided by this utility model;

[0015] Figure 2 This is a top view structural diagram of the present invention.

[0016] Explanation of reference numerals in the attached figures:

[0017] 1. Inspection well; 2. Vertical reinforcement bars of the wall; 3. Horizontal reinforcement bars of the wall; 4. Reinforcing bars; 5. Reinforcing bars; 6. Foundation trench; 7. Backfill aggregate. Detailed Implementation

[0018] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0019] This utility model provides an improved method for backfilling construction around road inspection wells. The technical solution of this utility model is as follows:

[0020] like Figures 1-2 As shown, a backfilling construction method around a road manhole includes a manhole 1. Multiple vertical wall reinforcement bars 2 are fixedly installed inside the manhole 1. Multiple horizontal wall reinforcement bars 3 are fixedly installed on each vertical wall reinforcement bar 2. A spur bar 4 is fixedly installed on each vertical wall reinforcement bar 2. One end of the spur bar 4 penetrates through the manhole 1. Multiple steel bars are combined to form a reinforcement structure to ensure the stability of the area around the manhole 1 and prevent the ground surface from sinking and collapsing.

[0021] Furthermore, a reinforcing bar 5 is welded to one end of the reinforcing bar 4, and a foundation trench 6 is opened on the outer peripheral wall of the inspection well 1. Backfill aggregate 7 is placed inside the foundation trench 6 to improve the load-bearing capacity of the construction site, and the construction speed is fast and the construction quality is high.

[0022] The specific working method is as follows: Manhole 1 is a reinforced concrete structure located in the center of the road, with an inner diameter of 700mm and a wall thickness of 150mm; the vertical reinforcement 2 is φ8 threaded steel bar, vertically arranged around the manhole 1 on both sides of the wall at 150mm intervals; the horizontal reinforcement 3 is φ8 threaded steel bar, circular in shape, installed horizontally from top to bottom of the manhole at 150mm intervals, located outside the vertical reinforcement 2, serving as the structural reinforcement of manhole 1; the spur reinforcement 4 is φ12 threaded steel bar, one end is tied to the vertical reinforcement 2, and the other end extends 200mm out of the manhole 1 wall; the backfill soil spaced 300mm along the height of manhole 1 is the backfill soil used for roadbed filling. After the construction of manhole 1 is completed, the roadbed backfilling is carried out, with layered backfilling and compaction during the backfilling process, and the completed backfill serves as the roadbed; the reinforcing reinforcement 5 is φ12 threaded steel bar, with a length of not less than 800mm, one end is welded to the spur reinforcement 4, and the other end is inserted into the soil. After the roadbed filling is completed, the soil within an 800mm radius around the manhole is excavated to form a foundation trench 6. Then, one end of the reinforcing bar 5 is welded and fixed to the reinforcing bar 4, and the other end is inserted into the soil for placement. The backfill aggregate 7 is C20 concrete, which is used to backfill the newly excavated foundation trench 6 around the manhole to reinforce the stability of the soil around the manhole and prevent subsidence.

[0023] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.

Claims

1. A construction of a peripheral backfill of a road inspection well, comprising an inspection well (1), characterized in that: The inside of the inspection well (1) is fixedly installed with a plurality of wall vertical ribs (2), each of which is fixedly installed with a plurality of wall horizontal ribs (3), and each of the wall vertical ribs (2) is fixedly installed with a flange rib (4), one end of which penetrates the inspection well (1).

2. The construction of the backfilling around the inspection well of the road according to claim 1, characterized in that: One end of the flange rib (4) is welded with a reinforcing rib (5), and the outer peripheral wall of the inspection well (1) is provided with a base groove (6), and the inside of the base groove (6) is provided with a backfill aggregate (7).

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