CN215367405U - Lamp pole foundation structure built together with underground comprehensive pipe gallery - Google Patents
Lamp pole foundation structure built together with underground comprehensive pipe gallery Download PDFInfo
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- CN215367405U CN215367405U CN202121792379.6U CN202121792379U CN215367405U CN 215367405 U CN215367405 U CN 215367405U CN 202121792379 U CN202121792379 U CN 202121792379U CN 215367405 U CN215367405 U CN 215367405U
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Abstract
The utility model provides a lamp post foundation structure co-built with an underground comprehensive pipe gallery, and relates to the technical field of street lamp engineering. The lamp pole foundation structure co-constructed with the underground comprehensive pipe gallery combines the lamp pole foundation with the comprehensive pipe gallery so as to solve the problem of conflict between the lamp pole foundation and the top plate of the comprehensive pipe gallery.
Description
Technical Field
The utility model relates to the technical field of street lamp engineering, in particular to a lamp post foundation structure co-constructed with an underground comprehensive pipe gallery.
Background
The lamp post of street lamp passes through the lamp post basis and installs in road both sides, and the lamp post basis is the bearing member that is located the lamp post bottom and ground contact and transmits upper portion load and self dead weight to the ground.
In recent years, with the continuous development of urban underground spaces, the construction of underground comprehensive pipe galleries is vigorous. The utility tunnel is a structure and accessory facilities built under the city for accommodating two or more types of city engineering pipelines. The utility tunnel is often built below urban roads, is more convenient for the pipeline to draw out the user, and the road section is arranged more rationally, the urban landscape effect is more beautified, and utility tunnel plane line position generally selects below road both sides greenbelt. Meanwhile, as shown in fig. 1, road street lamps are also often arranged in green belts 2 on both sides, and the street lamps are generally provided with lamp posts 8 and a lamp post foundation 6 for mounting the street lamps. 1 nodal arrangement of utility tunnel needs to satisfy requirements such as ventilation (vent 4), fire control, hoist and mount (hoist and mount mouth 7) and personnel flee (manhole 3), and street lamp interval arranges and also to satisfy the road lighting requirement, so, overlap can inevitably appear in lamp pole basis 6 and 1 nodal arrangement of utility tunnel on the plane position. And then, in the longitudinal section, in order to save investment cost and reduce earthwork excavation, the burying depth of the comprehensive pipe gallery needs to be controlled, and the requirement of the required clear height of personnel movement in the node interlayer of the comprehensive pipe gallery is met, so that the soil covering above the interlayer top plate of the comprehensive pipe gallery is about 1 meter. And the lamp post base of the conventional road street lamp is also positioned about 1 meter below the earth surface.
At present, please refer to patent CN210658423U for a conventional lamp post foundation structure of a street lamp, which provides an independent and single lamp post foundation structure, the main body of which is a reinforced concrete base arranged in a reserved pit, the base steel bars are welded with the top and bottom base plates of the reserved pit, and the part of the base steel bars extending out of the top (top) base plate is provided with threads. The grounding polar plate is positioned on the outer side of the lamp pole foundation structure and is connected with the lamp pole through flat steel, so that the aim of grounding the lamp pole is fulfilled. The concrete base middle part is equipped with vertical reservation hole, and reservation hole both sides are equipped with the line hole for the cable is walked the line. The lamp post foundation structure can only be used as a lamp post foundation of an independent street lamp, is suitable for the situation that the space at the lower part of the lamp post foundation is large and no barrier exists, and does not provide a scheme for co-building with other underground buildings. When underground structures exist at the lower part of the foundation and the vertical space is insufficient, the method cannot be applied. This lamp pole basis is located standard frozen depth within range generally, and corresponding reduction frost heaving force measure is not taken to this technical scheme, and the basis is easily influenced by the freeze injury. The base steel bar of the lamp pole foundation extends out of the thread part of the upper base plate, and no rust removal and corrosion prevention measures are adopted, so that the steel bar is exposed and buried in soil for a long time, and the use is influenced.
In addition, according to the conventional lamp post foundation structure of the street lamp, after the construction of the comprehensive pipe gallery is completed, the construction and installation of the lamp post foundation are very troublesome. As shown in fig. 2, when lamp pole foundation 6 of street lamp can't avoid 1 node intermediate layer of utility tunnel, the soil layer thickness between 6 bottoms of lamp pole foundation and 1 intermediate layer roof of utility tunnel is less, invades even to occupy utility tunnel intermediate layer roof space.
In view of the above, the inventor designs a lamp post foundation structure co-built with an underground comprehensive pipe gallery through repeated experiments according to production design experiences in the field and related fields for many years, so as to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lamp pole foundation structure co-constructed with an underground comprehensive pipe gallery, which combines a lamp pole foundation with the comprehensive pipe gallery to solve the problem of conflict between the lamp pole foundation and a top plate of the comprehensive pipe gallery.
The utility model provides a lamp post foundation structure co-constructed with an underground comprehensive pipe gallery, which comprises a lamp post foundation, a connecting plate, foundation bolts and a top plate of the underground comprehensive pipe gallery, wherein the bottom end of the lamp post foundation is fixedly connected with the top plate of the underground comprehensive pipe gallery, the connecting plate is provided with a connecting surface, the connecting surface is fixedly connected with the top end of the lamp post foundation, the foundation bolts are embedded in the lamp post foundation, and the top ends of the foundation bolts upwards penetrate through the connecting plate.
As above with the lamp pole foundation structure of utility tunnel building together, wherein, the lamp pole basis is concrete lamp pole basis, just the lamp pole basis with utility tunnel's roof an organic whole is pour and is formed.
The lamp post foundation structure co-constructed with the underground comprehensive pipe gallery is characterized in that the lamp post foundation is internally provided with the buttress inner stirrup, the foundation bolt is fixedly connected with the buttress inner stirrup,
and the stirrups in the buttresses and the steel bars of the top plate of the underground comprehensive pipe gallery are bound to form a network structure.
Lamp pole foundation structure as above that builds altogether with utility tunnel, wherein, utility tunnel's roof is utility tunnel node interbedded roof.
As above-mentioned lamp pole foundation structure with utility tunnel built altogether, wherein, the lower part on lamp pole basis is the fixed part, the upper portion on lamp pole basis is the installation department, the installation department is the columnar body of vertical setting, the installation department is the frustum body of reducing gradually from bottom to top.
Lamp pole foundation structure of building altogether with utility tunnel as above, wherein, the lateral wall of installation department and vertical plane's contained angle is greater than or equal to 9 degrees.
As above lamp pole foundation structure with utility tunnel builds altogether, wherein, be equipped with first threading pipe in the lamp pole basis, the top of first threading pipe upwards runs through the connecting plate, the bottom of first threading pipe downwards runs through utility tunnel's roof.
As above-mentioned lamp pole foundation structure who builds jointly with utility tunnel, wherein, be equipped with the second threading pipe in the lamp pole basis, the top of second threading pipe upwards runs through the connecting plate, the bottom of second threading pipe runs through the lateral wall on lamp pole basis.
As above, the lamp post foundation structure co-constructed with the utility tunnel, wherein the connecting plate is a flange plate horizontally arranged, the connecting plate is provided with a central hole and a plurality of mounting holes, the central hole is arranged at the center of the connecting plate, the mounting holes are uniformly distributed on the periphery of the central hole along the circumferential direction of the connecting plate, the central hole and the mounting holes are vertically communicated, the top end of the first threading pipe and the top end of the second threading pipe respectively penetrate through the central hole, and the top end of the foundation bolt penetrates through the mounting holes.
Compared with the prior art, the utility model has the following characteristics and advantages:
according to the lamp post foundation structure co-constructed with the underground comprehensive pipe gallery, the lamp post foundation is fixedly connected with the top plate of the underground comprehensive pipe gallery, the lamp post foundation and the top plate of the underground comprehensive pipe gallery are constructed together, and the problems of collision conflict and insufficient space between the lamp post foundation and the top plate of the underground comprehensive pipe gallery are effectively solved under the condition that the soil covering of the comprehensive pipe gallery is not changed; and because the roof of lamp pole basis and utility tunnel constructs the construction jointly, reduced the construction step, it is economic reasonable, construction convenience.
The lamp post foundation of the lamp post foundation structure co-constructed with the underground comprehensive pipe gallery can be used for installing the lamp post of the street lamp, and the whole underground comprehensive pipe gallery is changed into the foundation for installing the lamp post due to the fixed connection of the lamp post foundation and the top plate of the underground comprehensive pipe gallery, so that the bearing capacity is high.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the utility model as a matter of case.
Fig. 1 is a schematic diagram of a positional relationship between a lamp post and a utility tunnel in the prior art;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of a lamp post base structure according to the present invention;
FIG. 4 is a cross-sectional view taken along line a-a of FIG. 3;
FIG. 5 is a schematic view of an inner stirrup of a buttress in a lamp post foundation according to the present invention;
fig. 6 is a sectional view taken along the line b-b in fig. 5.
Description of reference numerals:
100. a lamp pole base structure; 10. A lamp post foundation;
11. a fixed part; 12. An installation part;
20. a connecting plate; 21. A central bore;
22. mounting holes; 30. Anchor bolts;
40. a roof of the utility tunnel; 50. Hooping in the buttress;
60. a first threading tube; 70. A second threading tube;
80. packaging with a felt; 90. A welding point;
1. a comprehensive pipe gallery; 2. A green belt;
3. a manhole; 4. A vent;
6. a lamp post foundation; 7. Hoisting ports;
8. a lamp post.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the utility model in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may be present.
Referring to fig. 3 to 6, the present invention provides a lamp post base structure 100 co-constructed with an underground utility tunnel, the lamp post base structure 100 includes a lamp post base 10, a connecting plate 20, a foundation bolt 30 and a top plate 40 of the underground utility tunnel, a bottom end of the lamp post base 10 is fixedly connected with the top plate 40 of the underground utility tunnel, the connecting plate 20 has a connecting surface, the connecting surface is fixedly connected with a top end of the lamp post base 10, the foundation bolt 30 is pre-embedded in the lamp post base 10, and a top end of the foundation bolt 30 upwardly penetrates through the connecting plate 20.
According to the lamp post foundation structure 100 co-constructed with the underground comprehensive pipe gallery, the lamp post foundation 10 is fixedly connected with the top plate 40 of the underground comprehensive pipe gallery, the lamp post foundation 10 and the top plate 40 of the underground comprehensive pipe gallery are constructed together, and the problems of collision conflict and insufficient space between the lamp post foundation 10 and the top plate 40 of the underground comprehensive pipe gallery are effectively solved under the condition that the soil covering of the comprehensive pipe gallery is not changed; and because the common construction of lamp pole basis 10 and utility tunnel's roof 40 has reduced the construction step, and is economical reasonable, construction convenience.
The lamp post foundation 10 of the lamp post foundation structure 100 co-constructed with the underground comprehensive pipe gallery can be used for installing the lamp post of the street lamp, and the whole underground comprehensive pipe gallery is changed into the foundation for installing the lamp post due to the fixed connection of the lamp post foundation 10 and the top plate 40 of the underground comprehensive pipe gallery, so that the bearing capacity is high.
In an alternative embodiment of the present invention, the lamp post base 10 is a concrete lamp post base, and the lamp post base 10 is integrally cast with the ceiling 40 of the utility tunnel. The lamp pole foundation 10 and the underground comprehensive pipe gallery are integrally designed and built together, repeated design and repeated construction are avoided, design and construction are facilitated, and resources are further saved.
In an alternative example of this embodiment, the lamp post base 10 is in the form of a reinforced concrete buttress, and a buttress inner stirrup 50 is provided in the lamp post base 10, and the anchor bolt 30 is fixedly connected to the buttress inner stirrup 50.
In an alternative example, the anchor bolt 30 is welded to the inner stirrup 50 of the buttress, as shown in fig. 6, the anchor bolt 30 is vertically disposed, the inner stirrup 50 of the buttress is horizontally disposed, and the intersection point of the anchor bolt 30 and the inner stirrup 50 of the buttress is the welding point 90.
In an optional example, the stirrups 50 in the buttress and the steel bars of the top plate 40 of the underground utility tunnel are bound to form a network structure, so that the grounding measure of the underground utility tunnel is utilized to achieve the aim of grounding the lamp post.
In an alternative embodiment of the present invention, the ceiling 40 of the utility tunnel is the ceiling of the utility tunnel node interlayer.
In an alternative embodiment of the present invention, the lower portion of the lamp base 10 is a fixing portion 11, the upper portion of the lamp base 10 is a mounting portion 12, the fixing portion 11 is a vertically disposed columnar body, and the mounting portion 12 is a frustum body gradually reducing in diameter from bottom to top. Adopt above-mentioned structure, the lateral wall of installation department 12 is the inclined plane, and the form on this inclined plane has reduced the frozen expansive force of foundation soil, has further ensured the safety of lamp pole basis 10.
In an alternative example of this embodiment, the outer side wall of the mounting portion 12 is at an angle β greater than or equal to 9 degrees to the vertical. In order to further guarantee can be in the below ground standard depth range that freezes, reduced ground frost heaving force influence, guaranteed the safety and stability of lamp pole basis 10.
In another alternative embodiment of the present invention, the frost heaving force of the light pole foundation 10 is reduced or eliminated by the method of base side sand filling. The frost heaving force generated by the foundation soil during freezing expansion is transmitted through the shear surface where the soil and the foundation are firmly frozen together, the water holding capacity of the sand soil is very small, when the sand soil is above the underground water level, the sand soil is not only unsaturated soil but also has very small water content, the mechanical property of the sand soil is close to loose soil, so the freezing strength of the sand soil and the side surface of the lamp pole foundation 10 frozen together is very small, and the transmittable frost heaving force is also very small.
In another alternative embodiment of the present invention, the frost heaving force is eliminated by taking heat preservation measures outside the lamp pole foundation 10. The composite material can be used in a foundation with strong frost heaving property and high ground water level, can eliminate frost heaving force, can reduce ground heat loss, and can realize shallow foundation burying.
In addition, other frost heaving force prevention methods can be used according to engineering characteristics, local materials and experience.
In an alternative embodiment of the present invention, the lamp pole foundation 10 further includes a first conduit 60, a top end of the first conduit 60 extends upward through the connection plate 20, and a bottom end of the first conduit 60 extends downward through the ceiling 40 of the underground utility tunnel. The cable can pass through the first threading pipe 60 and enter the lamp pole from the underground comprehensive pipe gallery. It should be noted that the cable may be a power supply cable or a data transmission cable.
In an optional example of the embodiment, the cable is a data transmission cable, the street lamp is connected to the intelligent cloud platform of the underground comprehensive pipe gallery, the street lamp becomes a 5G micro base station intelligent street lamp, and functions of data monitoring, information issuing, real-time alarming and the like are achieved.
Further, the lamp pole foundation 10 further comprises a second threading pipe 70, the top end of the second threading pipe 70 upwards penetrates through the connecting plate 20, and the bottom end of the second threading pipe 70 penetrates through the outer side wall of the lamp pole foundation 10. With the above structure, the power supply cable can be inserted into the second threading pipe 70 to supply power to the street lamp.
In an optional example, the connecting plate 20 is a flange plate horizontally disposed, specifically, a central hole 21 and a plurality of mounting holes 22 are formed in the connecting plate 20, the central hole 21 is disposed in the center of the connecting plate 20, the plurality of mounting holes 22 are uniformly distributed on the periphery of the central hole 21 along the circumferential direction of the connecting plate 20, the central hole 21 and each mounting hole 22 are vertically through, the top end of the first threading pipe 60 and the top end of the second threading pipe 70 respectively penetrate through the central hole 21, and the top end of the anchor bolt 30 penetrates through the mounting holes 22.
In an alternative example, the anchor bolt 30 has an external thread formed at a portion thereof protruding upward from the connecting plate 20.
Preferably, the external thread section is rust-free and oil-free and then brushed with an anticorrosive paint and has a linoleum coating 80.
Preferably, the foundation bolt 30 is welded with the inner wall of the mounting hole 22, so that the foundation bolt 30 is accurately positioned and convenient to construct.
Preferably, the lamp pole foundation structure 100 comprises 4 anchor bolts 30, and the 4 anchor bolts 30 are uniformly distributed along the circumference of the connecting plate 20.
Referring to fig. 3 to fig. 6, a detailed construction procedure of the lamp post foundation structure 100 co-constructed with the utility tunnel according to the present invention will be described in detail with reference to an embodiment:
the method comprises the following steps: the pouring template of the lamp post foundation 10 is manufactured and installed and fixed on the pouring template of the interlayer top plate of the comprehensive pipe gallery node, so that the top plate 40 of the underground comprehensive pipe gallery and the lamp post foundation 10 can be integrally poured and formed, and in the standard freezing depth range below the ground surface, the lamp post foundation 10 is in the form of an inclined plane foundation, and the beta angle of the inclined plane is required to be more than or equal to 9 degrees, as shown in fig. 3.
Step two: binding stirrups 50 in the buttress, and installing foundation bolts 30 and a connecting plate 20; the foundation bolt 30 is welded with the connecting plate 20, the foundation bolt 30 is required to be adjusted vertically before welding, the whole threads of the connecting plate 20 are exposed out of the foundation bolt 30, and a central hole 21 is reserved in the middle of the connecting plate 20 in a whole embedded mode during construction and used for the first threading pipe 60 and the second threading pipe 70 to pass through. The stirrup 50 in the buttress in the lamp pole foundation 10 is firmly welded with the foundation bolt 30 and is used for grounding. As shown in fig. 3 to 6.
Step three: installing a first threading pipe 60 and a second threading pipe 70; first threading pipe 60 uses for reserving the wisdom street lamp, can insert utility tunnel wisdom cloud platform with the wisdom street lamp, realizes wisdom street lamp function, and the position is confirmed according to street lamp hand hole well to second threading pipe 70, and convenient follow-up cable is through threading pipe in getting into the lamp pole from hand hole well, for the street lamp power supply, as shown in fig. 3, fig. 4.
Step four: pouring concrete of the support pier of the lamp post foundation 10; the concrete casting grade, the protective layer thickness, the frost resistance and the like in the standard freezing depth range need to meet related requirements.
Step five: after the part of the foundation bolt 30 exposed out of the connecting plate 20 is derusted and oilless, brushing an anticorrosive paint and encapsulating by using a felt;
step six: and backfilling to the elevation of the green belt filling according to the requirements of the green belt filling.
For the collision problem that other ground equipment foundations, such as monitoring, identification, marker bar foundation and the like which are often in a road green belt, are similar to underground building structures, the scheme of the utility model can also provide reference.
The present invention is not limited to the above embodiments, and in particular, various features described in different embodiments can be arbitrarily combined with each other to form other embodiments, and the features are understood to be applicable to any embodiment except the explicitly opposite descriptions, and are not limited to the described embodiments.
Claims (9)
1. The utility model provides a lamp pole foundation structure with utility tunnel is built altogether, a serial communication port, lamp pole foundation structure includes lamp pole basis, connecting plate, rag bolt and utility tunnel's roof, the bottom on lamp pole basis with utility tunnel's roof fixed connection, the connecting plate has a connection face, connect the face with the top fixed connection on lamp pole basis, rag bolt is pre-buried in the lamp pole basis, just rag bolt's top upwards runs through the connecting plate.
2. The lamp pole foundation structure co-constructed with the utility tunnel of claim 1, wherein the lamp pole foundation is a concrete lamp pole foundation and the lamp pole foundation is integrally cast with the ceiling of the utility tunnel.
3. A lamp post foundation structure built together with an underground comprehensive pipe gallery according to claim 2, wherein a buttress inner stirrup is arranged in the lamp post foundation, the foundation bolt is fixedly connected with the buttress inner stirrup, and the buttress inner stirrup and a steel bar of a top plate of the underground comprehensive pipe gallery are bound to form a network structure.
4. The lamp pole foundation structure of claim 1, wherein the top plate of the utility tunnel is the top plate of the utility tunnel node interlayer.
5. A lamp post foundation structure built together with an underground comprehensive pipe gallery according to claim 1, wherein the lower part of the lamp post foundation is a fixed part, the upper part of the lamp post foundation is an installation part, the installation part is a vertically arranged columnar body, and the installation part is a frustum body gradually reducing the diameter from bottom to top.
6. A lamppost foundation structure co-constructed with an underground utility tunnel according to claim 5, characterized in that the included angle of the outer side wall of the mounting portion and the vertical plane is greater than or equal to 9 degrees.
7. A lamp pole foundation structure co-constructed with an underground utility tunnel according to claim 1, wherein a first threading pipe is arranged in the lamp pole foundation, the top end of the first threading pipe penetrates the connecting plate upwards, and the bottom end of the first threading pipe penetrates the top plate of the underground utility tunnel downwards.
8. A lamp pole foundation structure built together with an underground comprehensive pipe gallery according to claim 7, wherein a second threading pipe is arranged in the lamp pole foundation, the top end of the second threading pipe penetrates through the connecting plate upwards, and the bottom end of the second threading pipe penetrates through the outer side wall of the lamp pole foundation.
9. The lamp post foundation structure jointly built with the underground comprehensive pipe gallery as claimed in claim 8, wherein the connecting plate is a flange plate horizontally arranged, a central hole and a plurality of mounting holes are formed in the connecting plate, the central hole is formed in the center of the connecting plate, the mounting holes are uniformly distributed on the periphery of the central hole along the circumferential direction of the connecting plate, the central hole and the mounting holes are vertically communicated, the top end of the first threading pipe and the top end of the second threading pipe respectively penetrate through the central hole, and the top end of the foundation bolt penetrates through the mounting holes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113585335A (en) * | 2021-08-03 | 2021-11-02 | 中冶京诚工程技术有限公司 | Lamp pole foundation structure built together with underground comprehensive pipe gallery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585335A (en) * | 2021-08-03 | 2021-11-02 | 中冶京诚工程技术有限公司 | Lamp pole foundation structure built together with underground comprehensive pipe gallery |
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