CN110890736A - Small-sized cable trench and construction method thereof - Google Patents
Small-sized cable trench and construction method thereof Download PDFInfo
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- CN110890736A CN110890736A CN201911053398.4A CN201911053398A CN110890736A CN 110890736 A CN110890736 A CN 110890736A CN 201911053398 A CN201911053398 A CN 201911053398A CN 110890736 A CN110890736 A CN 110890736A
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- cable trench
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a small cable trench, comprising: the cable trench comprises a cable trench cushion layer below a ground plane and a prefabricated U-shaped cable trench formed by prefabricated U-shaped cable trench structural parts, wherein cable trench steel bars are embedded in the cable trench structural parts, the tail ends of the cable trench steel bars penetrate out of the top surfaces of the U-shaped cable trench structural parts and are embedded into ground concrete 4, the ground concrete and the prefabricated U-shaped cable trench jointly form a trench inner wall, and angle steel is arranged on the trench edge. The invention also provides a construction method of the small-sized cable trench, and the trench wall reinforcing steel bars are reserved when the prefabricated U-shaped cable trench is prefabricated; excavating and pouring a concrete cushion layer, installing and adjusting the prefabricated U-shaped cable trench, and arranging an expansion water stop strip on a horizontal construction joint before the ground concrete is poured; and fixing the angle steel on the ground steel bars, and finally pouring and molding the ground concrete. The scheme has the advantages that: the efficiency is high; the uneven settlement between the ground and the cable trench is eliminated; the use in reduction place, the shaping appearance quality of component can be guaranteed in the factory prefabrication.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a small cable trench and a construction method thereof, which can improve the construction simplicity of the small cable trench.
Background
Along with the continuous development of urban infrastructure, underground space technology has also changed a lot, and the application of cable and pipeline channel is also comparatively general, has had very big advantage than traditional direct-burried laying, can solve the requirement of using also can solve the requirement of maintenance change, but along with the change of society day by day and another day of people's requirement of aesthetic quality, the impression quality requirement to facility and detail structure is higher and higher, still need through continuous renewal and innovation, also is the difficult point of construction quality.
The traditional cable channel construction mostly adopts steel templates, wood templates and steel pipe supports to be combined for installation, and adopts the in-situ channel to pour concrete, so that the defects of large labor demand, long period, large using amount of turnover tools and complex process are caused, and after the construction is finished, the uneven ground surface is caused by the uneven settlement generated by the vertical construction joint of the cable channel and the ground surface, so that the indoor integral impression quality is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a small cable trench and a construction method thereof, so that the construction speed of the trench is improved, the process is optimized, and the appearance quality after molding is ensured.
The technical scheme adopted by the invention is as follows:
the utility model provides an easy small-size cable pit of being under construction which characterized in that includes: the cable trench comprises a cable trench cushion layer below a ground plane and a prefabricated U-shaped cable trench formed by prefabricated U-shaped cable trench structural parts, wherein cable trench steel bars are embedded in the cable trench structural parts, the tail ends of the cable trench steel bars penetrate out of the top surfaces of the U-shaped cable trench structural parts and are embedded into ground concrete, the ground concrete and the prefabricated U-shaped cable trench jointly form a trench inner wall, and angle steel is arranged on the trench edge.
Furthermore, an angle steel anchoring rib is embedded in the ground concrete to reinforce and strain the angle steel.
Furthermore, expansion water stop bars are arranged between the cable trench structural members.
Further, the thickness of the concrete layer is larger than that of the cable trench cushion layer.
Further, the prefabricated U-shaped cable trench structural member is a concrete prefabricated member.
In order to achieve the purpose, the invention also provides a construction method of the small cable trench, which comprises the following steps: firstly, prefabricating a U-shaped cable trench below ground concrete in a factory according to a preset size, wherein trench wall reinforcing steel bars are reserved when the prefabricated U-shaped cable trench is prefabricated; then, excavating and pouring a concrete cushion layer, installing the prefabricated U-shaped cable trench, and adjusting and installing the prefabricated U-shaped cable trench in a segmented manner; secondly, after the prefabricated U-shaped cable trench is installed, arranging an expansion water stop strip on the horizontal construction joint before the ground concrete is poured; and finally, before the ground concrete is poured, fixing the angle steel on ground steel bars, and pouring and molding the ground concrete.
The invention has the advantages and positive effects that: by adopting the technical scheme (1), the cable trench and the ground are divided into two parts, so that the combination of two process methods of prefabrication and cast-in-place is formed, the prefabricated and on-site component assembly type installation in advance is realized, and the integral construction speed is improved; (2) the uneven settlement between the ground and the cable trench can be eliminated; (3) the use of fields is reduced, and the molding appearance quality of the component can be ensured by factory prefabrication; (4) the cycle is short, and the use amount of labor force and turnover tools is reduced; (5) the integral construction speed is improved, and the method is suitable for the condition of short construction period.
Drawings
FIG. 1 is a cross-sectional view of a small cable trench according to an embodiment of the present invention
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
In describing the embodiments of the present invention, the perspective of fig. 1 will be defined as a cross-sectional view of the mini-channel. In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 by those of ordinary skill in the art through specific situations.
Referring to fig. 1, a sectional view of a small cable trench according to an embodiment of the present invention includes: the cable trench cushion layer 1 is positioned below the ground level, provides support and reference for the whole device, ensures the reliability of the structure, is simple and easy to operate because the cushion layer can be manufactured on a construction site, and is not limited to specific conditions; the prefabricated U-shaped cable trench 2 formed by the prefabricated U-shaped cable trench structural part adopts integral layout, so that the trench structure is not easy to damage, can be manufactured in a factory in a standardized manner and can be directly applied during construction; the inside cable pit reinforcing bar 3 that has buried underground of cable pit structure, further strengthen device's structural strength, during U type cable pit structure top surface is worn out and ground concrete 4 is buried underground to the cable pit reinforcing bar end, ground concrete and prefabricated U type cable pit form the channel inner wall jointly, and the channel is followed and is equipped with angle steel 6.
Example (b):
a small-size cable pit of easy construction includes:
the cable trench comprises a cable trench cushion layer 1 located below a ground plane, a prefabricated U-shaped cable trench 2 formed by prefabricated U-shaped cable trench structural parts, cable trench reinforcing steel bars 3 embedded in the cable trench structural parts, the tail ends of the cable trench reinforcing steel bars penetrate out of the top surfaces of the U-shaped cable trench structural parts and are embedded into ground concrete 4, the ground concrete and the prefabricated U-shaped cable trench jointly form a trench inner wall, and angle steel 6 is arranged on the trench edge.
Furthermore, an angle steel anchoring rib is embedded in the ground concrete, and the tensioning angle steel 6 is reinforced.
Furthermore, expansion water stop bars 7 are arranged between the cable trench structural members.
Further, the thickness of the concrete layer is larger than that of the cable trench cushion layer.
Further, the prefabricated U-shaped cable trench structural member is a concrete prefabricated member.
The construction method of a small cable trench according to the present invention will be described with reference to specific examples.
Firstly, prefabricating a U-shaped cable trench below ground concrete in a factory according to a preset size, wherein trench wall reinforcing steel bars are reserved when the prefabricated U-shaped cable trench is prefabricated; then, excavating and pouring a concrete cushion layer, installing the prefabricated U-shaped cable trench, and adjusting and installing the prefabricated U-shaped cable trench in a segmented manner; secondly, after the prefabricated U-shaped cable trench is installed, arranging an expansion water stop strip on the horizontal construction joint before the ground concrete is poured; and finally, before the ground concrete is poured, fixing the angle steel on ground steel bars, and pouring and molding the ground concrete.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides an easy small-size cable pit of being under construction which characterized in that includes:
the cable trench comprises a cable trench cushion layer below a ground plane and a prefabricated U-shaped cable trench formed by prefabricated U-shaped cable trench structural parts, wherein cable trench steel bars are embedded in the cable trench structural parts, the tail ends of the cable trench steel bars penetrate out of the top surfaces of the U-shaped cable trench structural parts and are embedded into ground concrete, the ground concrete and the prefabricated U-shaped cable trench jointly form a trench inner wall, and angle steel is arranged on the trench edge.
2. The easily constructed small cable trench as claimed in claim 1, wherein an angle steel anchoring rib is further embedded in the ground concrete to reinforce and tension the angle steel.
3. The small cable trench easy to construct of claim 1, wherein expansion water stop bars are further arranged between the cable trench structural members.
4. The easily constructed small cable trench as claimed in claim 1, wherein the thickness of the concrete layer is greater than that of the cable trench mat.
5. The compact cable trench of claim 1, wherein the prefabricated U-shaped trench structure is a concrete prefabricated member.
6. A method for constructing a small cable trench according to claim 1, wherein:
prefabricating a U-shaped cable trench below the ground concrete in a factory according to a preset size, and reserving trench wall reinforcing steel bars when prefabricating the U-shaped cable trench;
b, excavating and pouring a concrete cushion layer, installing the prefabricated U-shaped cable trench, and adjusting and installing the prefabricated U-shaped cable trench in a segmented manner;
c, after the prefabricated U-shaped cable trench is installed, arranging an expansion water stop strip on the horizontal construction joint before the ground concrete is poured;
and D, before the ground concrete is poured, fixing the angle steel on ground steel bars, and pouring and molding the ground concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053398.4A CN110890736A (en) | 2019-10-31 | 2019-10-31 | Small-sized cable trench and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053398.4A CN110890736A (en) | 2019-10-31 | 2019-10-31 | Small-sized cable trench and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110890736A true CN110890736A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911053398.4A Pending CN110890736A (en) | 2019-10-31 | 2019-10-31 | Small-sized cable trench and construction method thereof |
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| Country | Link |
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| CN (1) | CN110890736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202134A (en) * | 2020-08-31 | 2021-01-08 | 杭州鸿晟电力设计咨询有限公司 | Cable trench |
| CN114045872A (en) * | 2021-11-25 | 2022-02-15 | 武汉一冶建筑安装工程有限责任公司 | Cable trench U-shaped bottom plate one-time pouring system and construction method thereof |
-
2019
- 2019-10-31 CN CN201911053398.4A patent/CN110890736A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202134A (en) * | 2020-08-31 | 2021-01-08 | 杭州鸿晟电力设计咨询有限公司 | Cable trench |
| CN114045872A (en) * | 2021-11-25 | 2022-02-15 | 武汉一冶建筑安装工程有限责任公司 | Cable trench U-shaped bottom plate one-time pouring system and construction method thereof |
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