CN216973641U - Positioning prefabricated base - Google Patents
Positioning prefabricated base Download PDFInfo
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- CN216973641U CN216973641U CN202120467004.6U CN202120467004U CN216973641U CN 216973641 U CN216973641 U CN 216973641U CN 202120467004 U CN202120467004 U CN 202120467004U CN 216973641 U CN216973641 U CN 216973641U
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Abstract
The utility model relates to the technical field of underground sewage pipelines, in particular to a positioning prefabricated base which comprises a base main body, wherein a semi-circular arc curved surface is arranged at the upper part of the base main body, circular arc bulges are arranged at two sides of the semi-circular arc curved surface, the semi-circular arc curved surface and the circular arc bulges are matched with concrete sewage pipes, corrosion-resistant FRP (fiber reinforced Plastic) ribs are arranged in a rectangular pedestal at the lower part of the prefabricated base main body, and lifting points are arranged at two sides of the rectangular pedestal. The prefabricated base has the characteristics of high strength, moisture resistance, water resistance, corrosion resistance and the like after being formed, and has the advantage of quick construction and the application prospect of building industrialization.
Description
Technical Field
The utility model relates to the technical field of underground sewage pipelines, in particular to a positioning prefabricated base.
Background
The problem of rural sewage discharge is concerned under the current rural happy background, and the concrete sewage pipe is most widely applied at present and mainly comprises a rainwater pipeline and a sewage pipeline. The rainwater pipeline is a pipeline for collecting natural rainwater on the ground and conveying the natural rainwater to a natural water body; the sewage pipeline is used for collecting and conveying sewage used by people. However, the silt stratum has high water content and large volume weight, becomes fluid slurry after being liquefied when meeting water, has low bearing capacity, is very easy to be disturbed and is positioned below the underground water level, and the excavating equipment and the transportation equipment cannot be directly operated on the soil layer according to the conventional excavating method during excavation, so that the excavating equipment is easy to sink deeply into the silt stratum, therefore, the excavation is generally carried out after the stone ballast is backfilled as a cushion layer to improve the bearing capacity of the foundation. Because silt texture layer bearing capacity is low, need do the bed course when so concrete sewer pipe installation and handle, however the disturbance to the soil layer is great during the construction, easily destroys secret rivers, and this makes concrete sewer pipe have the difficult problem of location when transferring the installation.
Therefore, whether the positioning bearing prefabricated base special for the concrete sewage pipe can be provided or not can reduce disturbance to soil of a trench base, accelerate positioning installation and backfilling speed, realize rapid recovery of traffic interruption caused by road excavation and reduce influence on normal production and living order.
Disclosure of Invention
The utility model provides a positioning prefabricated base aiming at the difficulty in construction operation of a muddy stratum and facilitating installation and positioning of a concrete sewage pipe, wherein the base comprises a prefabricated base main body, a semi-circular arc curved surface is arranged at the top of the prefabricated base main body, circular arc bulges for preventing a cement mortar cushion layer from leaking are arranged on two sides of the semi-circular arc curved surface, and the semi-circular arc curved surface and the circular arc bulges are matched with the pipe diameter of the concrete sewage pipe, so that the concrete sewage pipe is convenient to position and install; when the prefabricated base with the structure is used, the prefabricated base is hoisted to the elevation part of the substrate of the muddy trench where the concrete sewage pipeline needs to be laid by utilizing hoisting points preset on the base according to the length of the concrete sewage pipeline according to a design drawing at intervals, then cement mortar is laid on the top of the prefabricated base, and a single concrete sewage pipeline is hoisted between the prefabricated bases, so that the rapid positioning and installation of the concrete sewage pipeline are realized; the base is reasonable in structural design, good in bearing capacity, the semi-circular arc curved surface at the top of the base and the circular arc-shaped convex design can realize that the connection between concrete sewage pipes is quicker, the connection performance between pipe joints is better, the base has the characteristics of high strength, moisture resistance, water resistance, corrosion resistance and the like after being formed, and the base has the advantages of quick construction and the application prospect in building industrialization.
The innovation of the utility model is that: the method for treating the cushion layer when the concrete sewage pipe is laid in the existing sludge texture layer is changed, the rapid installation and positioning are realized, the disturbance to the trench foundation soil is reduced, and the rectangular pedestal is arranged on the lower portion of the prefabricated base and can provide a convenient construction platform for constructors. After cement mortar is laid on the semi-arc curved surface, the contact part between the concrete sewage pipe joint and the prefabricated base is plugged, quick backfilling is realized, the construction speed is greatly improved, and the field wet operation is reduced.
The specific technical scheme of the utility model is as follows:
the utility model provides a prefabricated base in location, this prefabricated base includes the base main part, is provided with the semicircle curved surface on the upper portion of base main part, and semicircle curved surface both sides are provided with the convex arch that prevents the seepage of cement mortar bed course, semicircle curved surface and convex arch and concrete sewer looks adaptation are conveniently pour the shaping for prefabricated base, adopt the mould and the top down, bottom plane pour up.
The prefabricated base adopting the structure can be made of concrete of various types, and considering that the sludge texture layer has high environmental humidity and high corrosion resistance requirement on the material, the seawater and seawater sand concrete is preferably combined with the FRP rib material, and the seawater sand is used for replacing or partially replacing river sand, so that the phenomenon of river sand deficiency can be relieved, the waste is changed into valuable, the national and civilian benefits are realized, and the FRP rib material has the advantages of light weight, high strength, strong corrosion resistance and the like. Compared with the common plain concrete, the seawater sea sand concrete can better exert the performance advantages by combining with the FRP rib material. The sea water sea sand concrete that adopts is prior art, and the inventor no longer gives unnecessary details, only needs the mould that the structural design corresponds according to this application prefabricated base can carry out the production of base.
When the prefabricated base adopting the structure is used, the prefabricated base is lifted to the elevation part of the substrate of the silt ditch groove needing to lay the concrete sewage pipeline according to the preset lifting points on the two sides of the base according to the design drawing and the length of the concrete sewage pipeline in sequence, a laser level can be used for ensuring that the centers of the prefabricated bases are positioned on the same central line, a rectangular pedestal is arranged at the lower part of the prefabricated base, constructors can construct on the rectangular pedestal, cement mortar is laid on the semi-circular curved surface at the top of the prefabricated base, then a single concrete sewage pipeline is lifted to two adjacent prefabricated bases, the splicing between pipes is completed according to the structure of the concrete sewage pipeline joint, when the concrete sewage pipeline is lowered, because of the existence of the arc-shaped bulges on the two sides of the semi-circular curved surface, the laid cement mortar cannot flow out, and after the semi-circular curved surface is laid with the cement mortar, the plugging to the contact part of the concrete sewage pipe joint and the prefabricated base is saved, and only the exposed residual pipe joint part needs to be plugged. After the pipe joints above the base are plugged, the pipe joints can be tightly connected, and a more stable underground concrete sewage pipeline system is formed.
In order to enable the prefabricated base to be suitable for concrete sewage pipes of various models, moulds of different specifications can be designed according to the sizes of different concrete sewage pipes, and the prefabricated base is produced in a quantized mode.
Furthermore, the cross section of the circular arc-shaped bulge is formed by adding an arc to two vertical line segments, and the circular arc-shaped cambered surface faces the inner side of the prefabricated base.
Because the prefabricated base of this application has realized the standardization, can realize standardized production, and the semicircle curved surface that corresponds is unified with convex protruding structure, the better standardized construction of being convenient for, when being applied to silt texture stratum or other special geology soil layer constructions, can improve the connection quality of efficiency of construction and tube coupling.
In conclusion, the prefabricated base provided by the utility model has the advantages of reasonable structural design, good bearing performance, tighter connection among concrete sewage pipes and good overall connectivity, has multiple characteristics of high strength, moisture resistance, water resistance, corrosion resistance and the like after being poured and molded by using seawater sea sand concrete and FEP (fluorinated ethylene propylene) reinforcement materials, realizes quick positioning and installation of the concrete sewage pipes, and has better application prospect in building industrialization.
Drawings
FIG. 1 is a schematic view of a positioning prefabricated base according to the present invention;
FIG. 2 is a front view of the positioning preform base of the present invention;
FIG. 3 is a top view of the positioning preform base of the present invention;
FIG. 4 is a side view of the positioning preform base of the present invention;
FIG. 5 is a central cross-sectional view of the positioning preform base of the present invention;
FIG. 6 is a schematic diagram of the assembly of pipe joints of the positioning prefabricated base according to the present invention;
in the figure, 1 is a prefabricated base main body, 2 is an arc-shaped bulge, 3 is a top semicircular arc curved surface, 4 is a lifting point, 5 is an FRP rib material, 6 is laid cement mortar, and 7 is a concrete sewage pipe.
Detailed Description
A positioning prefabricated base comprises a base main body 1, wherein a semi-circular curved surface 3 is arranged at the upper part of the base main body 1, a cement mortar cushion layer 6 is laid on the semi-circular curved surface, circular arc-shaped protrusions 2 are arranged on two sides of the semi-circular curved surface, the semi-circular curved surface 3 and the circular arc-shaped protrusions 2 are matched with a concrete sewage pipe 7, corrosion-resistant FRP (fiber reinforced plastic) reinforcing materials 5 are arranged in a rectangular pedestal at the lower part of the prefabricated base main body 1, and lifting points 4 are symmetrically arranged on two sides of the upper surface of the rectangular pedestal at the lower part in order to facilitate lifting;
the cross section of the circular arc-shaped bulge is formed by adding a circular arc to two vertical line segments, and the circular arc-shaped curved surface faces the inner side of the prefabricated base;
When hoisting the prefabricated bases in the excavated muddy stratum, the preset hoisting points on the two sides of the bases are utilized according to a design drawing, the prefabricated bases are sequentially hoisted to the level positions of the muddy trench bases where the concrete sewage pipelines need to be paved according to the length of the concrete sewage pipes, a laser level can be used for ensuring that the centers of the prefabricated bases are positioned on the same central line, a rectangular pedestal is arranged at the lower part of each prefabricated base, a constructor can construct on the rectangular pedestal, then cement mortar is paved on the semi-circular curved surface at the top of each prefabricated base, then a single concrete sewage pipe is hoisted to two adjacent prefabricated bases, and the splicing between pipes is completed according to the structure of the concrete sewage pipe joint, when the concrete sewage pipe is lowered, the paved cement mortar cushion layer does not flow outwards due to the existence of the circular arc bulges on the two sides of the semi-circular curved surface, after the cement mortar cushion layer is laid on the semi-circular curved surface, the effect of automatic plugging can be provided for the lower pipe joint of the concrete sewage pipe, the plugging for the contact part of the concrete sewage pipe and the prefabricated base is saved, and only the upper pipe joint part of the exposed concrete sewage pipe needs to be plugged. After the pipe joints above the base are plugged, the pipe joints can be tightly connected, so that a more stable underground concrete sewage pipeline system is formed;
The bearing prefabricated base is preferably made of seawater sea sand concrete and FRP reinforcement materials.
Claims (4)
1. The utility model provides a prefabricated base in location, includes prefabricated base main part (1), its characterized in that: the upper portion of the prefabricated base main body (1) is provided with a semicircular arc curved surface (3) for laying a cement mortar cushion layer (6), the two sides of the semicircular arc curved surface are provided with arc-shaped protrusions (2) for preventing the cement mortar cushion layer (6) from leaking, the semicircular arc curved surface (3) and the arc-shaped protrusions (2) are matched with a concrete sewage pipe (7), and a corrosion-resistant FRP rib material (5) is arranged in a rectangular pedestal on the lower portion of the prefabricated base main body (1).
2. The positioning preform base of claim 1, wherein: the prefabricated base main body (1) is prefabricated by adopting seawater and sea sand concrete and is prefabricated by adopting a mold, and the top of the base faces downwards and the plane of the bottom faces upwards during prefabrication.
3. The positioning preform base of claim 1, wherein: hoisting points (4) are symmetrically arranged on two sides of the upper surface of the lower rectangular pedestal.
4. The positioning preform base of claim 1, wherein: the semi-circular arc curved surface is a smooth curved surface, the cross section of the circular arc bulge is formed by adding an arc to two vertical segments, and the circular arc curved surface faces the inner side of the prefabricated base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120467004.6U CN216973641U (en) | 2021-03-04 | 2021-03-04 | Positioning prefabricated base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120467004.6U CN216973641U (en) | 2021-03-04 | 2021-03-04 | Positioning prefabricated base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216973641U true CN216973641U (en) | 2022-07-15 |
Family
ID=82338848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120467004.6U Active CN216973641U (en) | 2021-03-04 | 2021-03-04 | Positioning prefabricated base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216973641U (en) |
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2021
- 2021-03-04 CN CN202120467004.6U patent/CN216973641U/en active Active
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