CN206189455U - a corridor - Google Patents

Abstract

The utility model belongs to the field of municipal construction engineering and discloses a pipe gallery, which is formed by splicing pipe joints. The pipe joints include a bottom plate, a side plate and a top plate. An anchor is provided on the side arm of the bottom plate, and a grouting sleeve is embedded in the bottom of the side plate , the anchor piece is inserted into the grouting sleeve, and grouting material is poured into the grouting sleeve; the side walls of the outer plate, the inner plate and the bottom plate form a U-shaped mouth, the top plate includes a prefabricated top plate and a cast-in-place layer, and the prefabricated top plate is arranged on the inner plate In the upper part, the cast-in-place layer is poured on the top surface of the prefabricated roof and extends to the bottom of the U-shaped mouth. The utility model is assembled by combining prefabrication and cast-in-place. The side plate and the bottom plate are assembled through the anchor piece protruding from the bottom plate and the grouting sleeve in the side plate is grouted and connected, and at the same time, the U-shaped The cast-in-place layer is integrated in the mouth, the structure is good, the connection cost is low, the waterproof performance is excellent, the difficulty of component transportation and on-site hoisting is reduced, the construction efficiency is greatly improved, and the construction period is short.

Description

a corridor

technical field

The utility model belongs to the field of municipal construction engineering, in particular to a pipe gallery.

Background technique

The traditional underground pipe gallery construction is usually in the following two ways: one is on-site cast-in-place, and the other is factory prefabrication; all the work of the on-site cast-in-place underground pipe gallery is completed on site, so the side walls and roof must be equipped with formwork, not only A large amount of formwork is wasted, and the construction period is long. In order to ensure the operation space of the construction, the amount of earthwork excavation is large, and the amount of backfill is also large, which increases the production cost and prolongs the construction period. All raw materials are shipped in bulk. On-site, on-site production will also cause damage and pollution to the surrounding ecological environment. The method of on-site pouring requires high manual vibration, and the vibration is not solid. The possibility of micro-cracks in the later stage of the pipe gallery is high, leaving water leakage Hidden danger. The prefabricated pipe gallery is spliced on site by multiple prefabricated pipe sections. This method leads to more seams in the pipe gallery, and the waterproof requirements at the seams are high and difficult. For the urban comprehensive pipe gallery, the full prefabrication method is adopted , The weight of the prefabricated pipe gallery may reach tens of tons, which causes difficulties in factory manufacturing, logistics transportation and on-site installation, and the construction cost is high. The waterproof joints of the side wall panels of the existing prefabricated pipe gallery are sealed with waterproof materials to achieve waterproof purposes. The waterproof method is single. When the waterproof joints leak, the maintenance cost is high and difficult.

To sum up, there is an urgent need to develop a cost-saving, easy-to-construct, and excellent waterproof pipe gallery.

Utility model content

The purpose of the utility model is to provide a pipe gallery with low cost, simple construction and excellent waterproof performance.

The above purpose is achieved through the following technical solutions: a pipe gallery, which is formed by splicing a plurality of pipe joints, the pipe joints include a bottom plate, side plates and a top plate, the bottom plate is U-shaped, and the side arms of the bottom plate are provided with An anchor, the side plate includes an inner plate and an outer plate, the bottom of the inner plate and the outer plate are pre-embedded with a grouting sleeve, the inner plate and the outer plate stand on the side arm of the bottom plate, and the anchor is inserted into the In the grouting sleeve, the grouting sleeve is filled with grouting materials; the side walls of the outer plate, inner plate and bottom plate form a U-shaped opening, and the top surface of the outer plate is higher than the top of the inner plate On the surface, the roof includes a prefabricated roof and a cast-in-place layer, the prefabricated roof is arranged on the upper side of the inner plate, and the cast-in-place layer is cast on the top of the prefabricated roof and extends to the bottom of the U-shaped mouth. The utility model is assembled by combining prefabrication and cast-in-place. The side plate and the bottom plate are connected by grouting through the anchor piece protruding from the bottom plate and the grouting sleeve in the side plate. The cast-in-place layer is integrated into a whole, the structural integrity is good, and the connection cost is low. The splicing joints are waterproofed by the cast-in-place layer, which has excellent waterproof performance. On the other hand, each pipe section is assembled by multiple prefabricated panels. The transportation of components and the difficulty of on-site hoisting are reduced, the construction efficiency is greatly improved, and the construction period is short. Compared with the cast-in-place mode, the amount of concrete pouring and tamping is significantly reduced, reducing the workload of on-site construction.

Further, the side arm of the bottom plate is provided with a groove, and the outer plate and the inner plate are respectively arranged on both sides of the groove. Such setting, on the one hand, increases the bite force between the cast-in-place layer and the bottom plate; on the other hand, the cast-in-place layer extends to the bottom of the groove, and the cast-in-place layer seals the joint between the side plate and the bottom plate, enhancing the waterproof effect of the cast-in-place layer structure .

Further, the side arm of the bottom plate is provided with a first water stop plate, one side of the first water stop plate is anchored in the side arm of the bottom plate, and the other side protrudes into the U-shaped opening. In this way, installing a water-stop plate at the seam between the bottom plate and the side plate can effectively prevent the problem of cracking and water seepage in the construction joint after a long time. The synergistic waterproofing method of multi-layer structure waterproofing, the waterproofing quality is significantly improved, the waterproofing performance is excellent, and the permanent waterproofing effect can be achieved.

Further, a second water stop plate is provided in the U-shaped opening of the joint of the pipe joint, and the two sides of the second water stop plate are respectively located on both sides of the splicing seam. Such setting can increase the waterproof effect of the splicing seams between the pipe sections.

Further, the second water stop plate is a steel plate, and steel mesh sheets are welded on the second water stop plate. In this way, after the cast-in-place layer is poured, the water-stop steel plate and the steel mesh are anchored in the cast-in-place layer together, and the setting of the steel mesh greatly increases the anchoring force of the water-stop steel plate in the cast-in-place layer.

Further, the side panels are provided with truss bars, and the truss bars connect the inner panel and the outer panel and are exposed in the U-shaped opening. The inner panel and the outer panel are connected by truss bars, and the integrity between the inner panel and the outer panel is better. At the same time, the truss bars exposed in the U-shaped mouth are anchored in the cast-in-place layer after the cast-in-place layer is poured, and the integrity of the three is good. , while increasing the strength of the cast-in-place layer in the U-shaped mouth.

Further, the splicing surface of the bottom plate is provided with a waterproof coiled material. In this way, water can be effectively prevented from leaking along the seams between the base plates.

Further, the prefabricated roof is pre-embedded with structural tendons, and the structural ribs at least protrude from the top surface of the prefabricated roof and are anchored in the cast-in-place layer. With this arrangement, the integrity of the prefabricated roof and the cast-in-place layer is better, and the strength of the cast-in-place layer is greater, which can effectively increase the compressive and shear resistance of the cast-in-place layer.

Further, the inner panel and the prefabricated roof are provided with protruding steel bars, the protruding steel bars in the inner panel protrude along the top surface of the inner panel, and the protruding steel bars in the prefabricated roof protrude along the two sides of the prefabricated roof to Inner panel top. In this way, the integrity of the inner panel, the prefabricated roof panel and the cast-in-place layer can be increased.

Further, the prefabricated roof and the inner panel are connected through a template, one side of the template is connected to the bottom of the prefabricated roof, and the other side is connected to the inner side of the inner panel.

Further, the pipe gallery is longitudinally provided with prestressed reinforcement holes, and prestressed reinforcements are pierced in the prestressed reinforcement holes; in this way, before casting in place, the pipe joints are stretched by using prestressed steel strands , so that the vertically arranged multi-section pipe sections and the prefabricated intermediate plates are closely connected, and the gap between the longitudinally arranged pipe sections and the prefabricated intermediate plates is reduced as much as possible, so that the splicing surfaces are closely attached to improve the integrity of the pipe gallery and water resistance.

Further, the prestressed rib holes are provided at the inner corners of the bottom plate.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model.

Fig. 1 is a schematic structural view of a pipe gallery involved in an embodiment of the present invention;

Fig. 2 is a schematic diagram of a vertical section of a pipe joint involved in an embodiment of the present invention;

Fig. 3 is a schematic diagram of the template setting state involved in an embodiment of the present invention;

Fig. 4 is a schematic diagram of the connection node between the side plate and the bottom plate involved in an embodiment of the present invention;

Fig. 5 is a schematic diagram of the arrangement structure of the second waterproof board involved in an embodiment of the present invention.

In the picture:

1 Tube section 2 Bottom plate 3 Anchors 4 Prefabricated roof

5 U-shaped mouth 6 inner panel 7 outer panel 8 cast-in-place layer

9 Structural reinforcement 10 Truss reinforcement 11 First water stop plate 12 Reinforcement mesh

13 second waterstop 14 groove 15 splicing seam 16 template

17 Connecting sleeve 18 Bolt 19 Grouting sleeve

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model. In addition, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments according to the descriptions in this document.

Embodiments of the utility model are as follows, referring to Fig. 1 and Fig. 2, a pipe gallery is formed by splicing a plurality of pipe joints 1, the pipe joints 1 include a bottom plate 2, side plates and a top plate, and the bottom plate 2 is U-shaped , the side arm of the base plate 2 is provided with an anchor 3, the side plate includes an inner plate 6 and an outer plate 7, and the bottom of the inner plate 6 and the outer plate 7 is pre-embedded with a grouting sleeve 19, and the inner plate 6 and the outer plate 7 stand on the side arm of the base plate 2, the anchor 3 is inserted into the grouting sleeve 19, and the grouting sleeve 19 is filled with grout; the outer plate 7, the inner plate 6 and the The side wall of bottom plate 2 forms U-shaped mouth 5, and the top surface of described outer plate 7 is higher than the top surface of described inner plate 6, and described top plate comprises prefabricated top plate 4 and cast-in-place layer 8, and described prefabricated top plate 4 is arranged on On the upper part of the inner panel 6, the cast-in-place layer 8 is poured on the top surface of the prefabricated roof 4 and extends to the bottom of the U-shaped mouth 5. The utility model is assembled by combining prefabrication and cast-in-place. The side plate and the bottom plate 2 are assembled through the anchor piece 3 protruding from the bottom plate 2 and the grouting sleeve 19 in the side plate is grouted and connected. At the same time, the inner plate 6 and the outer plate The cast-in-place layer 8 is poured in the U-shaped opening 5 between 7 to form a whole, the structural integrity is good, and the connection cost is low. The pipe section 1 is assembled from multiple prefabricated panels, the difficulty of transporting components and site hoisting is reduced, the construction efficiency is greatly improved, and the construction period is short. Compared with the cast-in-place mode, the amount of concrete pouring is significantly reduced, reducing site construction workload. Preferably, the anchor 3 is an anchoring steel bar.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in Fig. 2 and Fig. 4, the side arm of the bottom plate 2 is provided with a groove 14, and the outer side plate 7 and the inner side plate 6 are respectively arranged on the Both sides of the groove 14. Such setting, on the one hand, increases the bite force between the cast-in-place layer 8 and the bottom plate 2, and on the other hand, the cast-in-place layer 8 extends to the bottom of the groove 14, and the cast-in-place layer 8 blocks the joint 15 between the side plate and the bottom plate 2, Enhance the waterproof effect of the cast-in-place layer 8 structure.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in Figure 4, the side arm of the bottom plate 2 is provided with a first water stop plate 11, and one side of the first water stop plate 11 is anchored to the bottom plate 2 In the side arm, the other side protrudes into the U-shaped mouth 5. In this way, installing a waterproof board at the seam 15 of the bottom board 2 and the side board can effectively prevent the problem of cracking and water seepage in the construction joint after a long time. Compared with the traditional method of relying on waterproof materials for waterproofing, the physical waterproofing and The synergistic waterproofing method of the structural waterproofing of the cast-in-place layer 8 significantly improves the waterproofing quality and excellent waterproofing performance, and can achieve permanent waterproofing effect.

On the basis of the above-mentioned embodiments, in another embodiment of the present utility model, as shown in Figure 5, a second water stop plate 13 is provided in the U-shaped mouth 5 at the joint of the pipe joint 1, and the second water stop plate 13 The two sides of 13 are located on the two sides of splicing seam 15 respectively. Such an arrangement can increase the waterproof effect of the seams 15 between the pipe sections 1 .

On the basis of the above-mentioned embodiments, in another embodiment of the present invention, as shown in FIG. 5 , the second water-stopping plate 13 is a steel plate, and the second water-stopping plate 13 is welded with a reinforcement mesh 12 . In this way, after the cast-in-place layer 8 is poured, the water-stop steel plate and the steel mesh 12 are anchored together in the cast-in-place layer 8 . The setting of the steel mesh 12 greatly increases the anchoring force of the water-stop steel plate in the cast-in-place layer 8 .

On the basis of the above embodiments, in another embodiment of the present invention, as shown in Figures 2 to 4, the side panels are provided with truss bars 10, and the truss bars 10 connect the inner panel 6 and the outer panel 7 and are exposed on the U-shaped Inside mouth 5. The inner panel 6 and the outer panel 7 are connected by truss ribs 10, and the integrity between the inner panel 6 and the outer panel 7 is better. At the same time, the truss ribs 10 exposed in the U-shaped opening 5 are anchored in the cast-in-place layer 8 after pouring. In the pouring layer 8, the integrity of the three is good, and at the same time, the strength of the cast-in-place layer 8 in the U-shaped mouth 5 is increased.

On the basis of the above-mentioned embodiments, in another embodiment of the present invention, the splicing surface of the bottom plate 2 is provided with a waterproof membrane. In this way, water can be effectively prevented from leaking along the seams 15 between the bottom plates 2 .

On the basis of the above embodiments, in another embodiment of the present invention, as shown in Figure 2 and Figure 3, the prefabricated roof 4 is pre-embedded with structural ribs 9, and the structural ribs 9 at least protrude from the top surface of the prefabricated roof 4 and Anchored in the cast-in-place layer 8. With this arrangement, the integrity of the prefabricated roof 4 and the cast-in-place layer 8 is better, and the strength of the cast-in-place layer 8 is greater, which can effectively increase the compressive and shear resistance of the cast-in-place layer 8 .

On the basis of the above-mentioned embodiments, in another embodiment of the present invention, as shown in Figure 3, the inner panel 6 and the prefabricated top panel 4 are provided with protruding steel bars, and the protruding reinforcing bars in the inner panel 6 are along the top of the inner panel 6. The protruding steel bars in the prefabricated roof 4 extend out to the top of the inner panel 6 along both sides of the prefabricated roof 4 . In this way, the integrity of the inner panel 6 , the prefabricated top panel 4 and the cast-in-place layer 8 can be increased.

On the basis of the above-mentioned embodiment, in another embodiment of the present invention, as shown in Fig. 2 and Fig. 3, the prefabricated roof 4 and the inner side panel 6 are connected by a template 16, and one side of the template 16 is connected to the bottom of the prefabricated roof 4 , the other side is connected to the inner side of the inner plate 6. In this way, the gaps between the prefabricated top plate 4 and the inner side plate 6 are blocked to prevent slurry leakage; preferably, the prefabricated top plate 4 and the inner side plate 6 are pre-embedded with connecting sleeves 17 during the prefabrication process, and the template 16 is connected to the connecting sleeve through bolts 18 17 is fixedly connected. In this way, not only is the connection reliable, but also the template 16 can be disassembled and reused after the pipe gallery is formed.

On the basis of the above-mentioned embodiments, in another embodiment of the present invention, the pipe gallery is provided with prestressed tendon holes in the longitudinal direction, and prestressed tendons are pierced in the prestressed tendon holes; thus, before cast-in-place, By using prestressed steel strands to stretch the pipe sections 1, the vertically arranged multi-section pipe sections 1 and the prefabricated intermediate plates are closely connected, and the longitudinally arranged pipe sections 1 and the prefabricated intermediate plates are reduced as much as possible The gap makes the splicing surfaces tightly adhered to improve the integrity and waterproofness of the pipe gallery.

On the basis of the above embodiments, in another embodiment of the present invention, the prestressed rib holes are provided at the inner corners of the bottom plate 2 .

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (10)

1. A pipe gallery is formed by splicing a plurality of pipe joints, and the pipe joints include a bottom plate, a side plate and a top plate, wherein the bottom plate is U-shaped, and the side arms of the bottom plate are provided with anchors, The side panels include an inner panel and an outer panel, the bottoms of the inner panel and the outer panel are pre-embedded with grouting sleeves, the inner panel and the outer panel stand on the side arms of the bottom panel, and the anchors are inserted into the grouting In the sleeve, the grouting sleeve is filled with grouting material; the side walls of the outer plate, inner plate and bottom plate form a U-shaped opening, and the top surface of the outer plate is higher than the top surface of the inner plate, so The roof includes a prefabricated roof and a cast-in-place layer, the prefabricated roof is arranged on the top of the inner plate, and the cast-in-place layer is poured on the top of the prefabricated roof and extends to the bottom of the U-shaped mouth. 2. The pipe gallery according to claim 1, wherein the side arm of the bottom plate is provided with a groove, and the outer plate and the inner plate are respectively arranged on both sides of the groove. 3. The pipe gallery according to claim 1 or 2, wherein the side arm of the bottom plate is provided with a first water stop plate, one side of the first water stop plate is anchored in the side arm of the bottom plate, and the other side is anchored in the side arm of the bottom plate. One side protrudes into the U-shaped mouth. 4. The pipe gallery according to claim 3, characterized in that, a second water stop plate is provided in the U-shaped opening of the joint of the pipe joint, and the two sides of the second water stop plate are respectively located at the joint seam on both sides. 5 . The pipe gallery according to claim 4 , wherein the second water stop plate is a steel plate, and steel mesh sheets are welded on the second water stop plate. 6 . 6 . The pipe gallery according to claim 3 , wherein the side panels are provided with truss bars, and the truss bars connect the inner panel and the outer panel and are exposed in the U-shaped opening. 7 . 7. The pipe gallery according to claim 6, characterized in that, the splicing surfaces of the bottom plates are provided with waterproof rolls. 8. The pipe gallery according to claim 7, wherein the prefabricated roof is pre-embedded with structural tendons, and the structural tendons at least protrude from the top surface of the prefabricated roof and are anchored in the cast-in-place layer. 9. The pipe gallery according to claim 8, wherein the inner panel and the prefabricated roof are provided with protruding steel bars, the protruding steel bars in the inner panel protrude along the top surface of the inner panel, and the prefabricated roof The protruding steel bars in the prefabricated roof protrude from the two sides of the prefabricated roof to the top of the inner plate. 10. The pipe gallery according to claim 6, wherein the prefabricated roof and the inner panel are connected by a template, one side of the template is connected to the bottom of the prefabricated roof, and the other side is connected to the inner side of the inner panel; or The pipe gallery is longitudinally provided with prestressed tendon holes, and prestressed tendons are pierced in the prestressed tendon holes; or the prestressed tendon holes are arranged at the inner corner of the bottom plate.