CN-117306600-B - Inspection well periphery reinforcing and protecting device and mounting method thereof

CN117306600BCN 117306600 BCN117306600 BCN 117306600BCN-117306600-B

Abstract

The invention provides a manhole periphery reinforcement protection device and an installation method thereof, and belongs to the technical field of manhole periphery reinforcement. The problems that the road surface around the existing inspection well is generally provided with annular cracks, pits or pits, the well cover is loose and shifts and the like are solved, and therefore the driving comfort and the driving safety are affected. It comprises a ring beam, a well cover support, a shaft protection device, an integral high-strength bolt and an inspection shaft, wherein the inspection shaft comprises a first masonry brick wall shaft and a second masonry brick wall shaft, the first masonry brick wall shaft is arranged above the second masonry brick wall shaft, the ring beam is arranged between the first masonry brick wall shaft and the second masonry brick wall shaft, the shaft protecting device is sleeved above the first masonry brick wall shaft and the ring beam, the well lid support is arranged at the top of the shaft protection device, and the integral high-strength bolt is buried in the ring beam. It is mainly used for reinforcing and protecting the periphery of the inspection well.

Inventors

YUAN XING
XU GUOBAO
Yao Laipeng
JIN QUANWEI
SHEN HONGYU
HU ZHANBO
ZHANG HONGJUN
LIN YANBING
ZHANG HONGQUAN
ZHANG YUNTAO
LI CAN
LI GUANG
YANG ZHENNING
XU PENG

Assignees

中庆建设有限责任公司

Dates

Publication Date: 20260505
Application Date: 20231024

Claims (9)

1. The method for installing the inspection well periphery reinforcing protection device is characterized in that the inspection well periphery reinforcing protection device comprises a ring beam (4), a well cover support (1), a well cover protection device (3), an integral high-strength bolt (5) and an inspection well shaft, the inspection well shaft comprises a first masonry brick wall well shaft (6) and a second masonry brick wall well shaft (7), the first masonry brick wall well shaft (6) is arranged above the second masonry brick wall well shaft (7), the ring beam (4) is arranged between the first masonry brick wall well shaft (6) and the second masonry brick wall well shaft (7), the well cover protection device (3) is sleeved on the first masonry brick wall well shaft (6) and the ring beam (4), the well cover support (1) is arranged at the top of the well cover protection device (3), the integral high-strength bolt (5) is buried in the ring beam (4), the integral high-strength bolt (5) comprises a connecting ring (8) and a plurality of high-strength bolts (9), the connecting ring (8) is arranged inside the ring beam (4) and penetrates through the ring beam (4) uniformly, and the ring beam (4) penetrates through the top of the ring beam (9) sequentially, and the ring beam (4) is uniformly penetrates through the top of the ring beam (9) and the top of the ring beam The well bore protection device (3) and the well cover support (1) are arranged; The installation method specifically comprises the following steps: step1, constructing an inspection well shaft, covering a well mouth of the inspection well by adopting a steel plate when a second masonry brick wall shaft (7) is constructed to the top surface of a roadbed (16), and performing coordinate positioning on the center of the inspection well; step 2, constructing a cement stabilized macadam lower base layer (15), locating an inspection well through total station coordinates after the construction of the cement stabilized macadam lower base layer (15) is completed, finding the inspection well in a reverse excavation mode, breaking a pavement structure layer in the construction range of an inspection well shaft, lengthening a second masonry brick wall shaft (7) to the top surface of the cement stabilized macadam lower base layer (15), covering the inspection well mouth by adopting a steel plate until maintenance and acceptance are qualified, and starting to construct and prepare for the cement stabilized macadam upper base layer (14); Constructing a cement stabilized macadam upper base layer (14), immediately reversely excavating an extension shaft to a position 1cm below the top surface of a coarse-grained asphalt surface layer (13) after paving and rolling the cement stabilized macadam upper base layer (14), placing a reinforcement cage at the top of a second masonry brick wall shaft (7), embedding an integral high-strength bolt (5) in the reinforcement cage, erecting a template, pouring concrete, curing and forming to complete the forming of a ring beam (4), and after the forming of the ring beam (4), completing the construction of a first masonry brick wall shaft (6) at the top of the ring beam (4), installing a shaft protection device (3) at the moment, immediately paving the cement stabilized macadam upper base layer (14) in the construction range of the shaft protection device (3) outside the shaft of the inspection well after the installation, covering the well mouth of the inspection well, and completing static compaction and water spraying and curing of the shaft around; And 4, after the construction of the cement stabilized macadam upper base layer (14) is finished, curing is finished, spraying penetrating oil, starting to pave the coarse-grained asphalt surface layer (13), when the temperature of the coarse-grained asphalt surface layer (13) is reduced to below 50 ℃, spraying the adhesive oil to pave the medium-grained asphalt surface layer (12), after the rolling is finished, adopting a reverse excavation mode to break and clean the medium-grained asphalt surface layer (12) in the range of the well lid support (1), starting to install the inspection well lid support (1), screwing up the screw cap (10), and finally finishing the pavement of the medium-grained asphalt surface layer (12) in the range of the well lid support (1) and the whole fine-grained asphalt surface layer (11).
2. The method for installing the reinforcing and protecting device around the manhole, as set forth in claim 1, characterized in that the reinforcing and protecting device around the manhole is arranged in a pavement structural layer, and the pavement structural layer comprises a fine-grain asphalt surface layer (11), a middle-grain asphalt surface layer (12), a coarse-grain asphalt surface layer (13), a cement stabilized macadam upper base layer (14), a cement stabilized macadam lower base layer (15) and a roadbed (16) which are arranged layer by layer from top to bottom.
3. The method for installing the well periphery reinforcing and protecting device of the inspection well according to claim 2, wherein the well cover support (1) is arranged in a fine-grain asphalt surface layer (11) and a medium-grain asphalt surface layer (12), the first masonry brick wall shaft (6) is arranged in a coarse-grain asphalt surface layer (13), the ring beam (4) is arranged in a cement stabilized macadam upper base layer (14), and the second masonry brick wall shaft (7) is arranged in a cement stabilized macadam lower base layer (15) and a roadbed (16).
4. The method for installing the manhole periphery reinforcing and protecting device according to claim 1, wherein the top of the high-strength bolt (9) is connected with a nut (10), and the bottom of the nut (10) is propped against the upper surface of the manhole cover support (1).
5. The method for installing the reinforcing and protecting device for the periphery of the inspection well, as set forth in claim 1, wherein the ring beam (4) is made of C15-grade cast-in-situ reinforced concrete, the C15-grade cast-in-situ reinforced concrete comprises a reinforcement cage and concrete, and the reinforcement cage is buried in the concrete.
6. The method for installing the manhole periphery reinforcing and protecting device according to claim 1, wherein the top of the manhole cover support (1) is provided with a manhole cover (2).
7. The method for installing a reinforcing and protecting device for the periphery of an inspection well according to claim 1, wherein the number of the high-strength bolts (9) is four.
8. The method for installing a well periphery reinforcing and protecting device for an inspection well according to claim 2, wherein the thicknesses of the cement stabilized macadam upper base layer (14) and the cement stabilized macadam lower base layer (15) are 18cm.
9. The method for installing a reinforcing and protecting device around an inspection well according to claim 2, wherein the thickness of the fine-grain asphalt surface layer (11), the medium-grain asphalt surface layer (12) and the coarse-grain asphalt surface layer (13) is 4cm, 6cm and 8cm, respectively.

Description

Inspection well periphery reinforcing and protecting device and mounting method thereof Technical Field The invention belongs to the technical field of manhole periphery reinforcement, and particularly relates to a manhole periphery reinforcement protection device and an installation method thereof. Background On a driving lane or a road on which a heavy vehicle runs, the road surface around the manhole well commonly has annular cracks, pits or pits, loose displacement of the manhole cover and other hazards, so that the driving comfort and the driving safety are affected, wherein the following two main reasons are: 1. The annular cracks appear around the inspection well and mainly reflect the severe asphalt pavement, and the main reasons are that the material around the inspection well has insufficient strength or the backfill material has a certain sedimentation and the like, and under the action of long-term running vehicles, asphalt is combined with the rigid material of the inspection well cover, so that the flexible material is finally damaged; 2. the manhole cover support is not connected with the shaft, the manhole cover has a certain displacement under the action of vehicle running, and long time, the materials around the manhole cover support produce fatigue damage, and the damage such as sinking or pit slot, loose displacement of the manhole cover and the like is produced. Disclosure of Invention In view of the above, the invention aims to provide a manhole periphery reinforcing and protecting device and an installation method thereof, so as to solve the problems that the road surface around the manhole commonly has annular cracks, pits or pits, loose displacement of a manhole cover and the like, thereby influencing the driving comfort and the driving safety. The well periphery reinforcing and protecting device for the inspection well comprises a ring beam, a well cover support, a well cover protecting device, an integral high-strength bolt and the well cover well, wherein the well cover well comprises a first masonry brick wall well and a second masonry brick wall well, the first masonry brick wall well is arranged above the second masonry brick wall well, the ring beam is arranged between the first masonry brick wall well and the second masonry brick wall well, the well cover protecting device is sleeved above the first masonry brick wall well and the ring beam, the well cover support is arranged at the top of the well cover protecting device, the integral high-strength bolt is buried in the ring beam and comprises a connecting ring and a plurality of high-strength bolts, the connecting ring is buried in the ring beam, the high-strength bolts are uniformly arranged at the top of the connecting ring in the circumferential direction, and sequentially penetrate through the top of the ring beam, the first masonry brick wall well cover, the well cover protecting device and the well cover support. Furthermore, the inspection well periphery reinforcing and protecting device is arranged in the pavement structural layer, and the pavement structural layer comprises a fine-grain asphalt surface layer, a middle-grain asphalt surface layer, a coarse-grain asphalt surface layer, a cement stabilized macadam upper base layer, a cement stabilized macadam lower base layer and a roadbed which are arranged layer by layer from top to bottom. Still further, the well lid support sets up in fine grain formula asphalt pavement and well granule formula asphalt pavement, first brickwork pit shaft sets up in coarse grain formula asphalt pavement, the ring beam sets up in cement stabilized macadam upper base layer, second brickwork pit shaft sets up in cement stabilized macadam lower base layer and road bed. Furthermore, the top of the high-strength bolt is connected with a nut, and the bottom of the nut is propped against the upper surface of the well cover support. Furthermore, the ring beam is made of C15-level cast-in-situ reinforced concrete, the C15-level cast-in-situ reinforced concrete comprises a reinforcement cage and concrete, and the reinforcement cage is buried in the concrete. Still further, the top of well lid support is provided with the well lid. Further, the number of the high-strength bolts is four. Further, the thicknesses of the cement stabilized macadam upper base layer and the cement stabilized macadam lower base layer are 18cm. Further, the thicknesses of the fine-grain asphalt pavement, the medium-grain asphalt pavement and the coarse-grain asphalt pavement are 4cm, 6cm and 8cm, respectively. The invention also provides an installation method of the inspection well periphery reinforcing and protecting device, which comprises the following steps: step1, constructing an inspection well shaft, covering a well mouth of the inspection well by adopting a steel plate when a second masonry brick wall shaft is constructed to the top surface of a roadbed, and performing coordinate positioning on the center of