Rectangular pipe jacking channel side wall drainage ditch structure

Abstract

The utility model discloses a rectangular pipe jacking channel side wall drainage ditch structure, which relates to the technical field of underground structure engineering and comprises a prefabricated main body pipe joint, a suspended ceiling is arranged in the main body pipe joint, two symmetrically distributed haunch corners are arranged at the bottom end of the main body pipe joint, and a floor is arranged at one end, far away from the suspended ceiling, in the main body pipe joint. Two symmetrically-distributed off-wall walls are arranged between the suspended ceiling and the floor, the first ends of the off-wall walls are connected with the suspended ceiling, the second ends of the off-wall walls are connected with the floor, drainage assemblies are arranged between the off-wall walls and the side faces in the main body pipe joints, and the drainage assemblies are connected with the haunch corners. The embedded steel sleeve is prefabricated together with the main body pipe joint in a factory, site drilling is not needed, construction quality is guaranteed, site construction time is saved, construction efficiency is improved, the steel sleeve is embedded in advance, construction precision is improved, the structure of the main body pipe joint is not damaged, safety is achieved, site construction technology is simplified, and construction cost is reduced. And dust pollution is avoided, and energy conservation and environmental protection are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground structure engineering technical field especially relates to a rectangular top pipe channel side wall drainage ditch structure. BACKGROUND

[0002] With the continuous advancement of urbanization process, underground infrastructure construction, such as rectangular top pipe channel tunnel engineering, becomes an important part of modern engineering construction. As a kind of non-open excavation technology, top pipe technology is widely used in the construction of urban underground pipeline and tunnel. This technology not only can effectively avoid ground traffic, building and other obstacles, but also can reduce the influence of construction on the surrounding environment. However, in the construction process of top pipe channel, there are certain technical problems in the conventional method, especially in the construction of side wall drainage ditch in pipe joint structure.

[0003] The conventional rectangular top pipe channel construction method usually adopts the method of first jacking the main pipe joint, and then drilling, planting reinforcement and subsequent construction on the pipe joint structure surface after the pipeline is connected. This process faces multiple challenges in construction. First, the on-site drilling operation often relies on manual operation, and the drilling precision is low, which can easily damage the structure of the pipe joint, especially the main reinforcement or cause damage to the concrete protective layer, affecting the overall strength and safety of the pipe joint. Secondly, drilling, hole cleaning and subsequent steel bar binding, formwork, cast-in-place and a series of operations not only have large workload and long construction period, but also produce a large amount of dust pollution, causing environmental pollution and energy waste. Therefore, the utility model provides a rectangular top pipe channel side wall drainage ditch structure. UTILITY MODEL CONTENT

[0004] In view of the above technical problems, the utility model discloses a rectangular top pipe channel side wall drainage ditch structure, which comprises a prefabricated main pipe joint, a ceiling is arranged in the main pipe joint, two symmetrically distributed axillary angles are arranged on the bottom end of the main pipe joint, a floor is arranged at the end of the main pipe joint away from the ceiling, two symmetrically distributed off-wall walls are arranged between the ceiling and the floor, the first end of the off-wall wall is connected with the ceiling, and the second end of the off-wall wall is connected with the floor, a drainage assembly is arranged between the off-wall wall and the side surface in the main pipe joint, and the drainage assembly is connected with the axillary angle.

[0005] Further, the drainage assembly comprises a pre-buried mechanism and a drainage ditch mechanism connected with the pre-buried mechanism, the pre-buried mechanism comprises a pre-buried steel sleeve, the pre-buried steel sleeve is pre-buried into the main pipe joint in the prefabrication process of the main pipe joint, one end of the pre-buried steel sleeve is inserted into the inserted reinforcement, and a post-poured water retaining sill is arranged on the other end of the inserted reinforcement, and the post-poured water retaining sill is connected with the axillary angle.

[0006] Further, the drainage ditch mechanism comprises a cushion layer, which is applied after the application of the post-cast water retaining sill, a waterproof layer is applied above the cushion layer, the waterproof layer is applied on the side of the main pipe section and the side and top end of the post-cast water retaining sill, and the side of the post-cast water retaining sill and the side of the main pipe section form a side wall drainage ditch after the waterproof layer is applied.

[0007] Further, one side of the reinforcing bar is provided with two symmetrically distributed distribution bars, which are used in cooperation with the post-cast water retaining sill.

[0008] Further, the pre-embedded steel sleeve is uniformly provided along the length direction of the main pipe section, and the pre-embedded steel sleeve is made of steel.

[0009] Further, the width of the side wall drainage ditch is 100 mm, and the depth is 120 mm.

[0010] Further, the cushion layer is applied by using M waterproof layer cement mortar.

[0011] Further, the waterproof layer is waterproofed by using polymer cement mortar, and the thickness of the waterproof layer is 20 mm.

[0012] The utility model discloses compared with prior art has beneficial effects, the utility model discloses the pre-embedded steel sleeve is prefabricated main pipe section in factory, need not on -the -spot drilling, guarantees the construction quality and saves on -the -spot construction time, improves construction efficiency, and, through early pre-embedded steel pipe cover, improves construction precision, does not damage the structure of main pipe section, is more safe, simplifies on -the -spot construction technology, and prevents dust pollution, energy -conserving and environment -friendly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic view of the utility model.

[0014] Figure 2 It is Figure 1 It is the structure enlarged schematic view of A place in the utility model.

[0015] Figure 3 It is the overhead structure schematic view of the utility model.

[0016] Figure 4 It is the pre-embedded mechanism structure schematic view of the utility model.

[0017] Drawing reference: 1-main pipe section;2-suspended ceiling;3-off -wall wall;4-floor;5-post-cast water retaining sill;6-reinforcing bar;7-axillary angle;8-pre-embedded steel sleeve;9-side wall drainage ditch;10-waterproof layer;11-cushion layer;12-distribution bar. DETAILED DESCRIPTION

[0018] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other in the case of no conflict.

[0019] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] Embodiment: as Figures 1-4 shown, a rectangular top pipe channel side wall drainage ditch structure, including prefabricated main body pipe section 1, the main body pipe section 1 is provided with a ceiling 2, the bottom end of main body pipe section 1 is provided with two symmetrically distributed axillary angles 7, the end of main body pipe section 1 away from the ceiling 2 is provided with a floor 4, two symmetrically distributed off-wall walls 3 are arranged between the ceiling 2 and the floor 4, the first end of off-wall wall 3 is connected with the ceiling 2, the second end of off-wall wall 3 is connected with the floor 4, the off-wall wall 3 and the side surface in the main body pipe section 1 are provided with a drainage assembly, and the drainage assembly is connected with the axillary angle 7.

[0022] The drainage assembly comprises a pre-burying mechanism and a drainage ditch mechanism connected with the pre-burying mechanism, the pre-burying mechanism comprises a pre-burying steel sleeve 8, the pre-burying steel sleeve 8 is pre-buried into the main pipe section 1 during prefabrication of the main pipe section 1, the pre-burying steel sleeve 8 is pre-buried, without the need of drilling on site, thereby ensuring construction quality and saving time for on-site construction, secondly, the pre-burying steel sleeve 8 is processed during prefabrication of the main pipe section 1 in the factory, with better precision, the pre-burying steel sleeve 8 is integrally processed with the main pipe section 1, without damaging the structure, more safe, simplifying on-site technology, without dust pollution, energy saving and environmental protection, the pre-burying steel sleeve 8 is filled with a post-installed bar adhesive or a high-performance adhesive, then one end of a post-installed bar 6 is inserted into the pre-burying steel sleeve 8, the post-installed bar 6 is a first-class reinforcing steel bar with a diameter of 10 mm and a length of 400 mm, after the post-installed bar adhesive or the high-performance adhesive in the pre-burying steel sleeve 8 adheres the post-installed bar 6, two rows of distribution bars 12 are bound on the post-installed bar 6, then formwork is erected, a post-poured water retaining baffle 5 is constructed on the other end of the post-installed bar 6, C30 concrete is used when the post-poured water retaining baffle 5 is constructed, the post-poured water retaining baffle 5 has a height of 220 mm and a thickness of 60 mm, the post-poured water retaining baffle 5 is connected with the armpit 7, a plurality of pre-burying steel sleeves 8 are evenly arranged along the length direction of the main pipe section 1, and the pre-burying steel sleeve 8 is made of steel.

[0023] The drainage ditch mechanism comprises a cushion layer 11, the cushion layer 11 is constructed by using M waterproof layer 10 cement mortar, the cushion layer 11 needs to be constructed after the post-poured water retaining baffle 5 is constructed, a waterproof layer 10 is constructed on the cushion layer 11, the waterproof layer 10 is constructed on the side surface of the main pipe section 1 and the side surface and the top end of the post-poured water retaining baffle 5, after the waterproof layer 10 is constructed on the side surface of the post-poured water retaining baffle 5 and the side surface of the main pipe section 1, a side wall drainage ditch 9 is formed, the width of the side wall drainage ditch 9 is 100 mm, and the depth is 120 mm, the waterproof layer 10 is waterproofed by using polymer cement mortar, the thickness of the waterproof layer 10 is 20 mm, then a layer of waterproof paint is sprayed after the waterproof layer 10 is constructed and reaches the design strength.

[0024] In addition, it should be noted that the specific embodiments described in the specification, the shape of the parts, the name taken, etc. can be different. Any equivalent or simple change made in accordance with the structure, features and principles of the utility model patent concept is included in the protection scope of the utility model patent. Those skilled in the art of the utility model can make various modifications or supplements to the described specific embodiments or use similar ways to replace, as long as it does not deviate from the structure of the utility model or exceed the range defined by the claims, which should belong to the protection scope of the utility model.

Claims

1. A rectangular jacking pipe tunnel side wall gutter structure, characterized by: The utility model relates to a prefabricated main body pipe section (1) is provided with a ceiling (2) in the main body pipe section (1), the bottom end of the main body pipe section (1) is provided with two symmetrically distributed armpit angle (7), the one end away from the ceiling (2) in the main body pipe section (1) is provided with a floor (4), the ceiling (2) and floor (4) between are provided with two symmetrically distributed off -wall wall (3), the first end of off -wall wall (3) is connected with the ceiling (2), and the second end of off -wall wall (3) is connected with the floor (4), and off -wall wall (3) is provided with drainage assembly between the side surface in the main body pipe section (1), and the drainage assembly is connected with armpit angle (7).

2. A rectangular jacking pipe tunnel side wall gutter structure as claimed in claim 1, characterized in that: The drainage assembly includes a pre-buried mechanism and a drainage ditch mechanism connected to the pre-buried mechanism. The pre-buried mechanism includes a pre-buried steel sleeve (8) that is pre-buried into the main body pipe section (1) during the prefabrication of the main body pipe section (1). One end of the pre-buried steel sleeve (8) is inserted into the other end of the inserted bar (6). The other end of the inserted bar (6) is provided with a post-cast water retaining sill (5) connected to the armpit angle (7).

3. A rectangular jacking pipe tunnel side wall gutter structure as claimed in claim 2, characterized in that: The drainage ditch mechanism includes a cushion layer (11) that needs to be applied after the post-cast water retaining sill (5) is applied. A waterproof layer (10) is applied above the cushion layer (11). The waterproof layer (10) is applied to the side surface of the main body pipe section (1) and the side surface and top end of the post-cast water retaining sill (5). The side surface of the post-cast water retaining sill (5) and the side surface of the main body pipe section (1) form a side wall drainage ditch (9) after the waterproof layer (10) is applied.

4. A rectangular jacking pipe tunnel side wall gutter structure as claimed in claim 3, characterized in that: One side of the inserted bar (6) is provided with two symmetrically distributed distribution bars (12) that are used in cooperation with the post-cast water retaining sill (5).

5. A rectangular jacking pipe tunnel side wall gutter structure as claimed in claim 4, characterized in that: The pre-buried steel sleeve (8) is uniformly provided with multiple along the length direction of the main body pipe section (1). The material of the pre-buried steel sleeve (8) is steel.

6. A rectangular jacking pipe access side wall gutter structure as claimed in claim 3, characterised in that: The width of the side wall drainage ditch (9) is 100mm, and the depth is 120mm.

7. A rectangular jacking pipe access side wall gutter structure as claimed in claim 3, characterised in that: The cushion layer (11) is applied using M waterproof layer (10) cement mortar.

8. A rectangular jacking pipe access side wall gutter structure as claimed in claim 3, characterized in that: The waterproof layer (10) is waterproofed using polymer cement mortar. The thickness of the waterproof layer (10) is 20mm.

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