CN209975579U - Prefabricated utility tunnel structure of swift combination formula - Google Patents
Prefabricated utility tunnel structure of swift combination formula Download PDFInfo
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- CN209975579U CN209975579U CN201920698657.8U CN201920698657U CN209975579U CN 209975579 U CN209975579 U CN 209975579U CN 201920698657 U CN201920698657 U CN 201920698657U CN 209975579 U CN209975579 U CN 209975579U
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Abstract
The utility model provides a prefabricated utility tunnel structure of swift combination formula. The structure comprises three basic components, namely a top plate, a side wall and a bottom plate; the end parts of the top plate, the side wall and the bottom plate are provided with reserved lap joint hoop steel bars and waterproof structure tenons; roof, side wall and bottom plate overlap joint become a cross-section for the utility tunnel of rectangle, and the connected node connects into a whole through cast in situ concrete. The utility model discloses in, the tip of roof, side wall and bottom plate all has reservation overlap joint hoop reinforcing bar, connects into an organic whole with the utility tunnel through cast-in-place node, can show improvement utility tunnel node position and connect the quality problem. Meanwhile, the design of the tenons at the end parts of the top plate, the side wall and the bottom plate can not only ensure the waterproof effect, but also reduce the cost of conventional waterproof construction. Roof, side wall and bottom plate are prefabricated by the mill piecemeal, go to the scene again and assemble, and contrast traditional utility tunnel adopts whole prefabricated mode, and transportation and hoist and mount are all very convenient.
Description
Technical Field
The utility model relates to a utility tunnel technical field, concretely relates to prefabricated utility tunnel structure of swift combination formula.
Background
The underground comprehensive pipe gallery is an advanced infrastructure pipe network arrangement form in the world at present, has great advantages aiming at disordered underground pipeline arrangement and high maintenance cost, is a current trend of city construction development, and can solve the problem of instability of underground pipeline arrangement for a long time.
Compared with underground comprehensive pipe gallery cast-in-place construction, the prefabricated concrete pipe gallery assembly construction has the advantages in the aspects of quality, construction period, cost, energy conservation, environmental protection and the like, is closely connected with the current theme of green energy conservation and sustainable development, and is more worthy of popularization and application.
The prefabricated overlapping type comprehensive pipe gallery has many advantages in the form of being assembled on site through factory prefabrication, but the problem of water leakage is easily caused by the fact that the prefabricated parts cannot be effectively connected, the effective service life of conventional waterproof materials is short, the construction difficulty is high, and the cost is high.
To sum up, the problem that exists in order to solve prior art is urgently needed to a swift combination formula prefabricated utility tunnel structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated utility tunnel structure of swift combination formula to solve prefabricated piping lane and hoist from the great difficult transportation, the big and too high problem of engineering cost of the waterproof construction degree of difficulty.
In order to realize the purpose, the utility model provides a quick combined type prefabricated comprehensive pipe gallery structure, which comprises three basic components, namely a top plate, a side wall and a bottom plate; the end parts of the top plate, the side wall and the bottom plate are provided with reserved lap joint hoop steel bars and waterproof structure tenons; roof, side wall and bottom plate overlap joint become a cross-section for the utility tunnel of rectangle, and the connected node connects into a whole through cast in situ concrete.
Preferably, the top plate, the side walls and the bottom plate are prefabricated in blocks in a factory and assembled on site.
Preferably, the waterproof structure tenons are all arranged at the middle positions of the end parts of the top plate, the side wall and the bottom plate, the cross sections of the tenons are trapezoidal, the height of each trapezoid is not less than 4cm, the upper bottom of each trapezoid is not less than 4cm, and the lower bottom of each trapezoid is not less than 6 cm.
Preferably, the side wall is provided with hanging points, the hanging points are in a pre-embedded hanging nail form, the back water surface is provided with 4-8 hanging points, and the top is provided with 2-4 hanging points.
Preferably, the roof has the hoisting point, and the hoisting point adopts pre-buried peg form, and the upstream surface sets up 4 ~ 8 hoisting points, and one of them tip sets up 2 ~ 4 hoisting points.
Preferably, the bottom plate is provided with lifting points, the lifting points are in a pre-embedded lifting nail form, the back water surface is provided with 4-8 lifting points, and one end of each lifting point is provided with 2-4 lifting points.
Preferably, the connecting nodes are cast in place by using 300mm long concrete.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in, the tip of roof, side wall and bottom plate all has reservation overlap joint hoop reinforcing bar, connects into an organic whole with the utility tunnel through cast-in-place node, can show improvement utility tunnel node position and connect the quality problem. Meanwhile, the design of the tenons at the end parts of the top plate, the side wall and the bottom plate can not only ensure the waterproof effect, but also reduce the cost of conventional waterproof construction.
(2) The utility model relates to a prefabricated utility tunnel structure of swift combination formula, roof, side wall and bottom plate are prefabricated by the mill piecemeal, go to the scene again and assemble, contrast traditional utility tunnel and adopt whole prefabricated mode, and transportation and hoist and mount are all very convenient.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a sectional view of a prefabricated utility tunnel of the quick connect type;
FIG. 2 is a schematic view of a connection node of a prefabricated side wall and a top plate;
FIG. 3 is a rough drawing of a vertical connecting node of the prefabricated side wall;
FIG. 4 is a schematic view of a connection node of the prefabricated side wall and the bottom plate;
fig. 5 is a rough drawing of a horizontal connecting node of a prefabricated top plate and a prefabricated bottom plate.
The steel plate comprises a top plate 1, a top plate 2, side walls 3, a bottom plate 4, connecting nodes 5, tenons 6, a water-facing surface 7 and hoop steel bars.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 5, a rapid combined type prefabricated comprehensive pipe gallery structure comprises three basic components, namely a top plate 1, side walls 2 and a bottom plate 3; the size of a single bin of the comprehensive pipe gallery which can be combined by three basic components is 2.4m multiplied by 2.4 m-3.6 m multiplied by 3.6m, the specific situation is that the comprehensive pipe gallery can be completely suitable for all pipe gallery sections on the market through free combination without increasing the cost of a mould according to the actual needs on site.
The end parts of the top plate 1, the side wall 2 and the bottom plate 3 are provided with reserved lap joint hoop steel bars 7 and waterproof structure tenons 5; the design of the hoop reinforcement 7 should fully consider the relative position of the adjacent splice bar reinforcements to avoid position conflict during installation, and the hoop reinforcement is connected with the corresponding member main reinforcement into a whole. After the installation of on-site reinforcement is finished for reserving the square hoop, the installation positions are at four corner points of the square hoop, the specification and model of the installation positions are HRB400C12 steel bars, the longitudinal connection mode is reinforcement lapping, and the lapping length is selected according to the anti-seismic design length.
The waterproof structure tenon 5 is arranged at the middle position of the end parts of the top plate 1, the side wall 2 and the bottom plate 3, the cross section of the tenon is in a trapezoid shape, the height of the trapezoid is not less than 4cm, the upper bottom of the trapezoid is not less than 4cm, and the lower bottom of the trapezoid is not less than 6 cm. The specific size can be adjusted according to the thickness of the component.
The top plate 1, the side walls 2 and the bottom plate 3 are prefabricated in blocks in a factory and assembled on site. The thickness and the size of the composite material are determined according to the structural stress and the on-site geological hydrological conditions, and the standard requirements are met. In the component mold design process, all use the adjustable steel mould of size, can compatible different specification models's component, realize the reuse of mould. The three components are transported to a construction site for installation after being prefabricated and maintained in a factory, and the components are hoisted in place after base layer treatment and positioning and paying off. And then, binding the steel bars at the node part, installing a shaping template, and fixing the shaping template and the prefabricated part through an embedded nut. And pouring cast-in-place waterproof concrete after all the procedures are finished, wherein the waterproof grade of the waterproof concrete is not lower than P8. The compression resistance is correspondingly improved by one grade compared with the precast concrete.
The side wall 2 is provided with lifting points, the lifting points are in a pre-embedded lifting nail form, the back water surface is provided with 4-8 lifting points, and the top is provided with 2-4 lifting points. The middle point of the suspension point arrangement passes through the gravity center of the component, and the number of the types of the suspension points is determined by calculation according to the size and the diameter dead weight of the component.
The design has the hoisting point on the roof 1, and the hoisting point adopts pre-buried lifting pin form, and upstream face 6 sets up 4 ~ 8 hoisting points, and one of them tip sets up 2 ~ 4 hoisting points. The middle point of the suspension point arrangement passes through the gravity center of the component, and the number of the types of the suspension points is determined by calculation according to the size and the diameter dead weight of the component.
The design has the hoisting point on the bottom plate 3, and the hoisting point adopts pre-buried hanging nail form, and the surface of a back of the body sets up 4 ~ 8 hoisting points, and one of them tip sets up 2 ~ 4 hoisting points. The middle point of the suspension point arrangement passes through the gravity center of the component, and the number of the types of the suspension points is determined by calculation according to the size and the diameter dead weight of the component.
Above-mentioned prefabricated utility tunnel structure construction process of swift combination formula: (1) the method comprises the following steps of (1) foundation pit excavation, (2) cushion layer pouring, (3) elastic line positioning, (4) bottom plate hoisting and correcting, (5) side wall hoisting and correcting, and fixing, (6) top plate supporting frame erection, (7) top plate hoisting and correcting, (8) node part reinforcing steel bar binding, (9) node part template installation, (10) sizing template erection, (11) cast-in-place concrete, (12) detail processing, (13) and backfilling.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A rapid combined type prefabricated comprehensive pipe gallery structure is characterized by comprising three basic components, namely a top plate, a side wall and a bottom plate; the end parts of the top plate, the side wall and the bottom plate are provided with reserved lap joint hoop steel bars and waterproof structure tenons; roof, side wall and bottom plate overlap joint become a cross-section for the utility tunnel of rectangle, and the connected node connects into a whole through cast in situ concrete.
2. The prefabricated utility tunnel structure of swift combination formula of claim 1, characterized in that, roof, side wall, bottom plate all assemble through the factory piecemeal prefabrication, on-the-spot.
3. The prefabricated utility tunnel structure of claim 2, characterized in that waterproof construction tenons are all arranged at the central positions of the top plate, the side wall and the bottom plate, the cross sections of the tenons are trapezoidal, the height of the trapezoid is not less than 4cm, the upper bottom is not less than 4cm, and the lower bottom is not less than 6 cm.
4. The prefabricated utility tunnel structure of claim 3, characterized in that the side wall is designed with hanging points, the hanging points are in a pre-buried hanging nail form, the back surface is provided with 4-8 hanging points, and the top is provided with 2-4 hanging points.
5. The prefabricated utility tunnel structure of claim 4, characterized in that, the design has the hoisting point on the roof, and the hoisting point adopts pre-buried peg form, and the upstream face sets up 4 ~ 8 hoisting points, and one of them tip sets up 2 ~ 4 hoisting points.
6. The prefabricated utility tunnel structure of claim 5, characterized in that, the design has the hoisting point on the bottom plate, and the hoisting point adopts pre-buried hanging nail form, and the surface of a water face sets up 4 ~ 8 hoisting points, and one of them tip sets up 2 ~ 4 hoisting points.
7. The prefabricated comprehensive pipe gallery structure of any one of claims 1 to 6, wherein the connecting nodes are cast in place by using 300mm length concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698657.8U CN209975579U (en) | 2019-05-16 | 2019-05-16 | Prefabricated utility tunnel structure of swift combination formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698657.8U CN209975579U (en) | 2019-05-16 | 2019-05-16 | Prefabricated utility tunnel structure of swift combination formula |
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| Publication Number | Publication Date |
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| CN209975579U true CN209975579U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920698657.8U Active CN209975579U (en) | 2019-05-16 | 2019-05-16 | Prefabricated utility tunnel structure of swift combination formula |
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| CN (1) | CN209975579U (en) |
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- 2019-05-16 CN CN201920698657.8U patent/CN209975579U/en active Active
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