CN114439039A - Light prefabricated underground comprehensive pipe gallery - Google Patents
Light prefabricated underground comprehensive pipe gallery Download PDFInfo
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- CN114439039A CN114439039A CN202210173309.5A CN202210173309A CN114439039A CN 114439039 A CN114439039 A CN 114439039A CN 202210173309 A CN202210173309 A CN 202210173309A CN 114439039 A CN114439039 A CN 114439039A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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Abstract
The invention relates to the technical field of underground pipe galleries, in particular to a light prefabricated underground comprehensive pipe gallery which comprises a pipe gallery prefabricating unit, longitudinal temporary ribs, a prestressed rib unit, a circumferential sealing rubber strip, a pipe gallery detecting unit and a pipe gallery control unit. According to the invention, the arc-shaped side wall is adopted, so that the stress on the cross section of the prefabricated comprehensive pipe gallery is more reasonable, the thickness of the side wall can be effectively reduced, and the self weight of the pipe gallery is reduced. Each pipe gallery prefabricated unit is formed by transversely abutting two cabin body units, so that construction and hoisting are facilitated; the prestressed tendons are adopted to effectively reduce the occurrence of cracks of the top flat plate and the bottom flat plate, so that the durability of the structure can be improved, and the thicknesses of the top flat plate and the bottom flat plate can be reduced; the functional concrete material is used for further effectively ensuring that the pipe gallery has the characteristics of light self weight and convenient construction.
Description
Technical Field
The invention relates to the technical field of underground pipe galleries, in particular to a light prefabricated underground comprehensive pipe gallery.
Background
At present, the construction of underground comprehensive pipe galleries in China has three construction methods: according to incomplete statistics, the three construction methods respectively occupy 88%, 10% and 1.5% of the construction of the pipe gallery. The traditional cast-in-place construction method occupies the mainstream market of domestic construction for a long time due to lower cost and low technical requirements, and the assembly type construction mode is gradually improved to an unprecedented height along with the improvement of scientific technology and the improvement of living standard of people in China. The assembly type construction mode is the inevitable requirement of green, circulation and low-carbon development, is an important mode for promoting the building industrialization, and represents the development trend of the modern advanced construction technology.
The traditional extensive cast-in-place construction method has low energy utilization efficiency, serious damage to the environment and difficult guarantee of building quality, and the cost of labor is gradually increased, so that the traditional cast-in-place method gradually loses the cost advantage; on the contrary, because assembled piping lane adopts mill's prefabrication, batch production, and degree of mechanization is high, both accorded with the national industrialization direction, the requirement of satisfying construction progress, quality that again can be fine is the development trend of utility tunnel construction. With the comprehensive spreading of underground pipe gallery construction across the country, the assembly type concrete pipe gallery is being accepted and recognized by more and more owners with irreplaceable advantages, and is a trend product for underground pipe gallery construction in China in the future.
Chinese patent publication No.: CN105256838B discloses a pipe gallery prefabricated part and a prefabricated comprehensive pipe gallery, wherein the prefabricated part comprises a groove-shaped prefabricated part, the groove-shaped prefabricated part comprises a web plate, a wing plate, internal reinforcing steel bars, a connecting and sealing structure and a longitudinal stress structure, the connecting and sealing structure and the longitudinal stress structure are arranged at two ends of the web plate and the wing plate, the height of the web plate meets the use requirement of the pipe gallery, and the transverse side of the wing plate comprises a reinforcing steel bar reserved end; the connecting and sealing structure is an inserting structure, the longitudinal stress structure is a prestressed steel cable connecting structure, or the connecting and sealing structure and the longitudinal stress structure are cast-in-place structures; the splicing structure is formed by connecting the longitudinal prefabricated parts by adopting a convex-concave splicing structure; the prestressed steel cable connecting structure is formed by connecting prestressed steel cables to longitudinally matched prefabricated members in a prestressed manner through prestressed steel cable holes; the cast-in-place structure is formed by pouring concrete after the prefabricated members are connected through the reserved ends of the reinforcing steel bars; the pipe gallery is assembled by prefabricated parts. The pipe gallery adopts the rectangular cross section, because the atress of rectangular cross section is big than arc cross section, so pipe gallery wall thickness is great, and the dead weight is great, inconvenient transportation and installation, and require highly to site work machinery, increased pipe gallery construction cost. Simultaneously, the pipe gallery that adopts rectangular cross section is relatively poor to the controllability in crack, influences pipe gallery waterproof performance and durability.
Disclosure of Invention
Therefore, the invention provides a light prefabricated underground comprehensive pipe gallery which is used for overcoming the problem of large self weight of a pipe gallery with a rectangular cross section in the prior art and optimizing a waterproof treatment mode of a joint of the pipe gallery.
To achieve the above objects, the present invention provides a light prefabricated underground utility tunnel, comprising,
the top surface and the bottom surface of the pipe gallery prefabricated unit are of flat plate structures, the outer side wall of the pipe gallery prefabricated unit is of an arc structure and is used as a pipe gallery main body, and the construction of the underground pipe gallery is completed by splicing and fixing a plurality of pipe gallery cabin body units;
the longitudinal temporary ribs are arranged in the top plate and the bottom plate tensioning sleeves of the pipe gallery prefabricated units and used for longitudinally jointing the adjacent pipe gallery prefabricated units through longitudinal splicing and tensioning;
the prestressed tendon unit comprises a prestressed tendon unit and a prestressed tendon unit,
the transverse prestressed tendons are arranged on the top plate and the bottom plate of the pipe gallery prefabricated unit and used for offsetting partial pressure born by the pipe gallery through prestress;
the longitudinal prestressed tendons are arranged in longitudinal prestressed pore passages of a top plate and a bottom plate of the pipe gallery prefabricated units and used for connecting the pipe gallery prefabricated units to form a closed pipe gallery whole and offsetting partial pressure born by the pipe gallery through prestress;
the circumferential sealing rubber strip is arranged on a sealing rubber strip mounting groove of a longitudinal connecting surface of the pipe gallery prefabricating unit, is connected with the pipe gallery prefabricating unit and is used for sealing the longitudinal connecting position of the pipe gallery prefabricating unit through circumferential sealing;
the pipe gallery detection unit is arranged at the bottom of the pipe gallery prefabricating unit, the longitudinal sealing connection position of the pipe gallery prefabricating unit and the vicinity of the longitudinal prestressed tendons and is used for detecting the environmental data of the comprehensive pipe gallery;
and the pipe gallery control unit is arranged at the pipe gallery maintenance center and connected with the detection unit for analyzing each item of data transmitted by the detection unit and judging the use performance of the pipe gallery.
Further, the pipe gallery prefabricating unit also comprises,
the prefabricated steel bar net piece is arranged inside the pipe gallery prefabricated unit and used as a framework of the pipe gallery prefabricated unit;
the U-shaped pre-buried guide groove is pre-buried in the inner wall of the pipe gallery prefabricating unit and connected with the prefabricated reinforcing steel mesh to serve as a mounting base of a line pipeline in the pipe gallery;
the concrete is poured and covers the prefabricated reinforcing mesh and the U-shaped embedded guide groove and is used as a main body of the pipe gallery prefabricated unit;
the assembly type supporting and hanging frame is arranged on the U-shaped embedded guide groove, is connected with the inner wall of the pipe gallery through the U-shaped embedded guide groove and is used as an installation support of a line pipeline in the pipe gallery, and the U-shaped embedded guide groove and the assembly type supporting and hanging frame are installed in a matched mode to fix the line pipeline in the pipe gallery;
the drainage ditch is arranged on the bottom plane in the pipe gallery prefabricating unit and used for discharging water liquid in the pipe gallery;
the end face drainage groove is arranged near the circumferential sealing rubber strip of the longitudinal connecting surface of the pipe gallery prefabricating unit, is connected with the drainage ditch and is used for draining water liquid permeating into the connecting part of the pipe gallery prefabricating unit;
and the end face sealing rubber strip mounting groove is arranged on the longitudinal connecting surface of the pipe gallery prefabricated unit and connected with the circumferential sealing rubber strip for clamping the circumferential sealing rubber strip.
Furthermore, the circumferential sealing rubber strip adopts a water-swelling rubber strip for isolating water liquid from the interior of the pipe rack through swelling when the circumferential sealing rubber strip is in water, the circumferential sealing rubber strip can be connected through adjacent pipe rack prefabricated units so as to divide the longitudinal joint of the pipe rack prefabricated units into a plurality of closed waterproof spaces, a reserved detection hole is formed in the lowest point of each waterproof space, and the circumferential sealing rubber strip can be replaced to realize a waterproof function;
the waterproof function comprises a waterproof checking function of detecting through the reserved detection holes, a drainage function of draining water liquid in the waterproof space to a drainage ditch through the reserved detection holes and a waterproof plugging function of performing pressure grouting through the reserved detection holes.
Further, the pipe gallery detection unit comprises a liquid detector, a pretightening force sensor and an image comprehensive detector, wherein the liquid detector is arranged near the longitudinal connecting surface of the adjacent pipe gallery and used for detecting the water leakage condition at the connecting part of the pipe gallery prefabricating units; the pre-tightening force sensor is arranged at the fastening position of the longitudinal prestressed tendon and is used for detecting the fastening condition of the longitudinal prestressed tendon; the image comprehensive detector adopts a movable image comprehensive detector, and the movable image comprehensive detector is arranged in each corridor body subsection of the pipe corridor and is used for carrying out image acquisition on the working condition of each line pipeline in the pipe corridor.
Further, when the pipe gallery works, a plurality of reserved detection holes located in the longitudinal connecting surface of the same pipe gallery are connected into a water liquid collecting tank of a drainage ditch through a connecting pipe, the pipe gallery control unit can control a liquid detector to periodically collect water liquid height data in the water liquid collecting tank and transmit the water liquid height data to the pipe gallery control unit, and the pipe gallery control unit judges whether water seepage risks exist in the pipe gallery or not by analyzing the water liquid height data;
the pipe gallery control unit is provided with a water seepage water liquid height standard H0, the liquid detector at the joint of the a-th pipe gallery is set to collect water liquid height data in a water liquid collecting tank as Ha, wherein a is 1,2,3, … …, H0 is more than 0, Ha is more than or equal to 0,
when Ha is less than or equal to H0, the pipe gallery control unit judges that no water leakage exists at the connection position of the a-th pipe gallery;
when Ha is larger than H0, the pipe gallery control unit judges that water leakage exists at the connection part of the a-th pipe gallery and starts the liquid detector to periodically detect the water liquid height data in the water liquid collecting tank according to the water leakage detection period;
the pipe gallery control unit is provided with a standard pipe gallery detection period T0, a water leakage detection period TL0, a first water liquid difference judgment standard delta H1 and a second water liquid difference judgment standard delta H2, wherein T0 is more than TL0 and more than 0, delta H2 is more than delta H1 and more than 0, when the pipe gallery control unit judges that water leakage occurs at the joint of the pipe gallery and starts the liquid detector to periodically detect the water liquid height data to be Ha 'according to the water leakage detection period TL0, the delta Ha-Ha' -Ha is set,
when the delta Ha is less than or equal to the delta H1, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a first water leakage standard and sends an alarm to remind of replacing a circumferential sealing rubber strip at the connection position of the a-th pipe gallery;
when the delta H1 is more than or equal to the delta Ha and less than or equal to the delta H2, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a second water leakage standard, sends information to remind the connection position of the a-th pipe gallery of water leakage, and starts the image comprehensive detector to collect image data of a reserved detection hole at the connection position of the a-th pipe gallery along the circumferential direction;
when delta Ha is larger than delta H2, the pipe gallery control unit judges that the a-th pipe gallery joint leaks water and does not conform to the water leakage standard, sends information to remind the a-th pipe gallery joint to leak water and starts the image comprehensive detector to collect the image data of the reserved detection hole at the a-th pipe gallery joint along the circumferential direction.
Furthermore, the comprehensive image detector can acquire image information according to a set detection route or a manual control route, when the control unit judges that the comprehensive image detector is started to work, the pipe gallery control unit controls the comprehensive image detector to acquire image information of each reserved detection hole at the joint of the water leakage pipe gallery in unit time and transmit the image information to the pipe gallery control unit, when the pipe gallery control unit receives the image information transmitted by the comprehensive image detector, the pipe gallery control unit can analyze a moving image in the image information to judge whether water leakage exists in a waterproof partition where the reserved detection hole is located,
setting the image comprehensive detector to acquire the image information of the ith reserved detection positioned in the ith waterproof partition at the joint of the ith pipe gallery as an image Pi, wherein i is 1,2,3 and … …, sequentially analyzing whether the image information in the image Pi has a moving image or not by the pipe gallery control unit to select a waterproof measure for the part,
if the Pi does not have the moving image, the pipe gallery control unit judges that the ith waterproof partition is watertight and transmits the detection information of the detection to a pipe gallery maintenance log of the pipe gallery control unit;
if there is removal image in the Pi, pipe gallery control unit judges that the ith waterproof subregion leaks, sends out the alarm and reminds to carry out water liquid derivation and waterproof pressure slip casting processing and transmit the detection information that this time detected to pipe gallery control unit in the pipe gallery maintenance log to the ith waterproof subregion.
Further, the pipe gallery control unit comprises a pipe gallery maintenance log module which is arranged in the pipe gallery control unit and used for storing maintenance information of a pipe gallery, wherein the pipe gallery maintenance information comprises pipe gallery use starting time, pipe gallery circumferential sealing rubber strip replacement time, pipe gallery detection information and pipe gallery maintenance operation information;
when the pipe rack control unit judges the water leakage state of the pipe rack, the detection information and the processing information aiming at the pipe rack are transmitted to a folder corresponding to the pipe rack maintenance log module, the pipe rack control unit calls the replacement time of a circumferential sealing rubber strip corresponding to the pipe rack maintenance log module and determines whether the circumferential sealing rubber strip needs to be replaced according to the time difference between the time and the current time, the previous replacement time of the circumferential sealing rubber strip of the ith pipe rack stored in the pipe rack maintenance log module is set as ti, the current time is t, and delta t is t-ti, wherein t is more than ti and more than 0, and delta t is more than 0,
if delta t is less than Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip meets the standard and does not need to replace the circumferential sealing rubber strip;
if the delta t is larger than or equal to Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip does not meet the standard, and sends an alarm to remind of replacing the circumferential sealing rubber strip.
Further, when the pipe gallery control unit judges that waterproof pressure grouting needs to be carried out on the ith waterproof partition, the control unit transmits the judgment result to the pipe gallery maintenance log module and adjusts the pipe gallery maintenance period and the pipe gallery detection period of the ith pipe gallery according to the number of the ith pipe gallery in which the waterproof partition is maintained by adopting pressure grouting;
the method comprises the steps that a pipe gallery standard maintenance period Tw0 and a pipe gallery maintenance period adjustment coefficient beta are preset in a pipe gallery control unit, wherein Tw0 is larger than T0 and is larger than 0 and smaller than beta 1, the number of pressure grouting maintenance waterproof partitions collected by the pipe gallery control unit from the ith pipe gallery is recorded as k, the adjusted pipe gallery maintenance period is recorded as Twk0, the adjusted pipe gallery detection period is recorded as Tk0, wherein k is larger than or equal to 0, Twk0 Tw0 x (1-k beta) is set, and Tk 0T 0 x (1-k beta) is set;
when the circumference joint strip reached the change cycle, pipe gallery control unit sends the alarm and reminds to change circumference joint strip and sets for the pipe gallery maintenance cycle that corresponds for standard pipe gallery maintenance cycle and will correspond the detection cycle adjustment of pipe gallery for standard pipe gallery detection cycle in order to carry out periodic maintenance and detection to the condition of leaking of this department after changing.
Further, concrete materials with different performances are adopted for the concrete materials used by the pipe gallery prefabricating unit according to the positions of the pipe gallery, the outer side wall of the pipe gallery prefabricating unit is made of ultra-high performance concrete, the strength grade of the ultra-high performance concrete meets the C150 standard, and the tensile strength of the ultra-high performance concrete is greater than 20Mpa and is used for supporting the pressure conducted by the outer wall of the pipe gallery; other positions of the pipe gallery prefabricated unit adopt light high-strength concrete, the strength grade of the light high-strength concrete accords with the C60 standard, and the volume weight of the light high-strength concrete is less than 1500kg/m3, so that the use requirement of the pipe gallery is met, and the weight of the pipe gallery prefabricated unit is reduced.
Further, the prefabricated unit of piping lane includes the prefabricated unit of monomer formula piping lane and the prefabricated unit of concatenation formula piping lane, the prefabricated unit of monomer formula piping lane includes two piping lane cabin bodies of horizontal interconnect, the lateral wall that the joint wall of two cabin bodies adopted the plane to connect and kept away from two piping lane cabin body joint walls adopts the arc lateral wall, the prefabricated unit of concatenation formula piping lane includes a plurality of concatenation formula piping lane unit monomer, the lateral wall that concatenation department lateral wall of concatenation formula piping lane unit monomer adopted the plane lateral wall and kept away from concatenation department adopts the arc lateral wall, the prefabricated unit of concatenation formula piping lane is used for forming the prefabricated unit of concatenation formula piping lane through the horizontal concatenation of the perpendicular direction with a plurality of concatenation formula piping lane unit monomer along the piping lane extending direction.
Compared with the prior art, the invention has the beneficial effects that the stress on the cross section of the prefabricated comprehensive pipe gallery is more reasonable by adopting the arc-shaped side wall, the thickness of the side wall of the prefabricated pipe gallery can be effectively reduced, the manufacturing cost is reduced, the self weight of the pipe gallery can be effectively reduced, and meanwhile, the area required for excavating in the pipe gallery construction is small, so that the construction is convenient.
Furthermore, concrete materials with different properties are used at different parts of the pipe gallery, the characteristics of functional concrete are effectively utilized, and the strength requirement of the pipe gallery is met by using less materials, so that the self weight of the pipe gallery is further effectively reduced by material selection, and the performance of the pipe gallery with lower self weight is effectively ensured.
Furthermore, the transverse prestressed tendons and the longitudinal prestressed tendons are arranged, so that the cracks of the top flat plate and the bottom flat plate can be effectively reduced, the durability of the structure can be improved, the thicknesses of the top flat plate and the bottom flat plate can be reduced, the cost is reduced, the construction and installation are convenient, and the effect of low self weight of the pipe gallery is further improved.
Furthermore, when the two adjacent cabin units are longitudinally spliced, the top longitudinal temporary ribs temporarily clamped in the top plate tensioning sleeve and the bottom longitudinal temporary ribs in the bottom plate tensioning sleeve are longitudinally assembled and tensioned to ensure that the two adjacent cabin units are longitudinally attached, the top longitudinal prestressed ribs are arranged in the top longitudinal prestressed pore channels in a penetrating mode, the bottom longitudinal prestressed ribs are arranged in the bottom longitudinal prestressed pore channels in a penetrating mode, tensioning of the longitudinal prestressed ribs is completed, the prefabricated comprehensive pipe gallery is ensured to form a whole, and the pipe gallery has the use function of convenience in installation and construction.
Furthermore, the cavity of the joint part of the pipe gallery is sealed into a plurality of waterproof partitions at the joint of the adjacent pipe gallery prefabricated units by adopting a plurality of circumferential waterproof partition sealing strips, so that the cavity of the joint part of the pipe gallery is divided into a plurality of independent waterproof partitions by the whole cavity, the waterproof partitions subjected to water seepage can be subjected to targeted grouting and plugging aiming at the water seepage condition of a single waterproof partition, and the effectiveness and the pertinence of the waterproof mode at the joint of the pipe gallery are effectively ensured.
Furthermore, the waterproof drainage structure comprising the drainage groove and the sealing rubber strip mounting groove is arranged, the circumferential sealing rubber strips are water-swelling rubber strips, a good water stopping effect can be achieved due to the compaction effect of the left pipe joint and the right pipe joint, meanwhile, leaked water can be timely drained to the drainage groove at the bottom of the pipe gallery from the drainage groove, a periodic waterproof maintenance function can be achieved by replacing the circumferential sealing rubber strips, and the effectiveness and pertinence of the waterproof treatment mode of the pipe gallery are further effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a single-body type pipe gallery prefabricating unit according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a splicing type pipe gallery prefabricating unit according to an embodiment of the invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a schematic structural view of a single unit type pipe gallery prefabricating unit according to an embodiment of the present invention, a light prefabricated underground pipe gallery includes,
the pipe gallery prefabricating unit 1 is characterized in that the top surface 11 and the bottom surface 12 of the pipe gallery prefabricating unit 1 are of flat plate structures, the outer side wall 13 of the pipe gallery prefabricating unit is of an arc-shaped structure and used as a pipe gallery main body, and construction of an underground pipe gallery is completed by splicing and fixing a plurality of pipe gallery cabin units;
the longitudinal temporary ribs 2 are arranged in the tensioning sleeves 13 of the top plate 11 and the bottom plate 12 of the pipe gallery prefabricated units and used for longitudinally jointing the adjacent pipe gallery prefabricated units through longitudinal splicing and tensioning;
the transverse prestressed tendons 31 are arranged on the top flat plate 11 and the bottom flat plate 12 of the pipe gallery prefabricated unit and are used for offsetting partial pressure born by the pipe gallery through prestress;
the longitudinal prestressed tendons 32 are arranged in the longitudinal prestressed pore channels of the top plate 11 and the bottom plate 12 of the pipe gallery prefabricated units and used for fastening the longitudinal prestressed tendons so that all the pipe gallery prefabricated units are connected to form a closed pipe gallery whole;
the circumferential sealing rubber strip 4 is arranged on a sealing rubber strip mounting groove of a longitudinal connecting surface of the pipe gallery prefabricating unit, is connected with the pipe gallery prefabricating unit, and is used for forming a closed waterproof space through circumferential sealing so as to seal the longitudinal connecting position of the pipe gallery prefabricating unit;
the pipe gallery detection unit (not shown in the figure) is arranged in the pipe gallery prefabricating unit and is used for detecting the working condition of the comprehensive pipe gallery;
the pipe gallery control unit (not drawn in the figure), its setting in pipe gallery maintenance center and with detecting element connects for each item data analysis of analysis detecting element transmission judges the performance of pipe gallery.
Particularly, the light prefabricated underground comprehensive pipe gallery is used for arranging urban comprehensive line pipelines, the line pipelines comprise a gas pipeline, a water supply pipeline, a drainage pipeline, a reclaimed water pipeline, a heat supply pipeline, a power cable and a communication cable, and the line pipelines are arranged inside the pipe gallery and are fixed and supported through a support.
According to the invention, the arc-shaped side wall 13 is adopted, so that the stress on the cross section of the prefabricated comprehensive pipe gallery is more reasonable, the thickness of the side wall of the pipe gallery can be effectively reduced, the dead weight is reduced while the manufacturing cost is reduced, the durability is better, the construction and installation are convenient, and the construction quality is easy to guarantee. All be provided with horizontal prestressing tendons on the top plate and the bed plate of the cabin body unit of each piping lane prefabricated unit, horizontal prestressing tendons can effectively reduce the crack of top plate and bed plate and take place, can improve the durability of structure and also can reduce the thickness of top plate and bed plate, also is convenient for construct the installation when reduce cost. When two adjacent cabin units are longitudinally spliced, the top plate longitudinal temporary ribs in the top plate tensioning sleeve and the bottom plate longitudinal temporary ribs in the bottom plate tensioning sleeve are longitudinally spliced and tensioned by the temporary clamping, so that the two adjacent cabin units are longitudinally attached. And the top longitudinal prestressed tendons penetrate through each top longitudinal prestressed duct and the bottom longitudinal prestressed tendons penetrate through each bottom longitudinal prestressed duct, so that the tensioning of the longitudinal prestressed tendons is completed, and each section of the pipe gallery is ensured to form a whole.
Please refer to fig. 1, the pipe gallery prefabricating unit 1 includes prefabricated steel mesh sheets and concrete, the prefabricated steel mesh sheets are arranged inside the pipe gallery prefabricating unit to serve as a framework of the pipe gallery prefabricating unit, and the specification size and the structural design of the prefabricated steel mesh sheets can be adjusted according to actual conditions, which is not described herein again.
Concrete materials with different performances are adopted by the pipe gallery prefabricating unit 1 according to positions in a pipe gallery, the outer side wall of the pipe gallery prefabricating unit is made of ultra-high performance concrete, the strength grade of the ultra-high performance concrete meets the C150 standard, and the tensile strength of the ultra-high performance concrete is greater than 20Mpa and is used for supporting the pressure conducted by the outer wall of the pipe gallery; other positions of the pipe gallery prefabricated unit adopt light high-strength concrete, the strength grade of the light high-strength concrete accords with the C60 standard, and the volume weight of the light high-strength concrete is less than 1500kg/m3, so that the use requirement of the pipe gallery is met, and the weight of the pipe gallery prefabricated unit is reduced.
Particularly, the invention utilizes the characteristics of high ductility, light weight and high durability of the functional concrete material, adopts concrete materials with different performances at different parts of the pipe gallery, and realizes that the comprehensive pipe gallery has the characteristics of light self weight, easy hoisting and difficult cracking.
Please refer to fig. 1 and fig. 2, prefabricated unit of piping lane 1 includes prefabricated unit of monomer formula piping lane and the prefabricated unit of concatenation formula piping lane, the prefabricated unit of monomer formula piping lane includes horizontal interconnect's left piping lane cabin 14 and right piping lane cabin 15, the lateral wall that the bulkhead 16 of controlling two cabins adopted the plane to connect and kept away from two piping lane cabin connecting walls adopts the arc lateral wall, the prefabricated unit of concatenation formula piping lane includes a plurality of concatenation formula piping lane unit monomer, the free concatenation department lateral wall of concatenation formula piping lane unit adopts the plane lateral wall and keeps away from the lateral wall of concatenation department and adopts the arc lateral wall, the prefabricated unit of concatenation formula piping lane is used for forming the prefabricated unit of concatenation formula piping lane through the horizontal concatenation of the vertical direction along piping lane extending direction with a plurality of concatenation formula piping lane unit monomer.
Particularly, adopt monomer formula piping lane prefabricated unit or adopt concatenation formula piping lane prefabricated unit to select according to actual conditions, just the size of the top surface, bottom surface and the lateral wall of piping lane prefabricated unit can be calculated according to the actual atress analysis of piping lane and obtains, no longer gives unnecessary details here.
With continued reference to fig. 1, the tube lane prefabricating unit further includes,
the U-shaped guide groove is pre-buried in the inner wall of the pipe gallery prefabricating unit 1 and connected with the prefabricated reinforcing mesh to serve as a mounting base of a line pipeline in a pipe gallery, the assembly type support hanger is arranged on the U-shaped guide groove and connected with the inner wall of the pipe gallery through the U-shaped guide groove to serve as a mounting support of the line pipeline in the pipe gallery, and the U-shaped guide groove is matched with the assembly type support hanger to fix the line pipeline in the pipe gallery;
the drainage ditch is arranged on the bottom plane 12 in the pipe gallery prefabricating unit 1 and used for discharging water liquid in the pipe gallery;
the end face drainage groove 16 is arranged on the longitudinal connecting surface of the 1 unit of the pipe gallery prefabricating unit and is connected with the drainage ditch to drain water liquid permeating into the connecting part of the 1 unit of the pipe gallery prefabricating unit;
and the end face sealing rubber strip mounting groove 17 is arranged on the longitudinal connecting surface of the pipe gallery prefabricated unit 1 and connected with the circumferential sealing rubber strip 4 for clamping the circumferential sealing rubber strip 4.
Please continue to refer to fig. 1, circumference joint strip 4 adopts water-swelling adhesive tape to be used for keeping apart water liquid and inside the pipe gallery through the inflation when 4 meet water of circumference joint strip, circumference joint strip 4 can be connected in order to cut apart into a plurality of confined waterproof space and be provided with the reservation inspection hole in the minimum in single waterproof space with the longitudinal joint of the prefabricated unit of pipe gallery through the prefabricated unit of adjacent pipe gallery, circumference joint strip 4 can change in order to realize waterproof function.
The reserved detection hole has the functions of water seepage inspection, water drainage and waterproof plugging; the water seepage checking function means that the detection unit judges whether the pipe gallery waterproof unit positioned in the detection hole leaks water or not by detecting the water storage condition of the reserved detection hole; the drainage function refers to draining seepage water of the waterproof unit at the joint of the pipe gallery by connecting the reserved detection hole and the pipe gallery drainage channel; the waterproof plugging function means that the water leakage part is plugged by pressure grouting through a reserved detection hole so as to play a waterproof role.
With continued reference to fig. 1, the pipe gallery detection unit includes a plurality of liquid detectors disposed near the longitudinal connecting surface of the adjacent pipe gallery, a pre-tightening force sensor disposed at the fastening position of the longitudinal pre-tightening tendon, and a movable image comprehensive detector disposed at each section of the pipe gallery;
the liquid detector is arranged near the longitudinal connecting surface of the adjacent pipe gallery and used for detecting the water leakage condition at the connecting part of the prefabricated units of the pipe gallery; the pre-tightening force sensor is arranged at the fastening position of the longitudinal prestressed tendon 32 and used for detecting the fastening condition of the longitudinal prestressed tendon; the image comprehensive detector adopts a movable image comprehensive detector, and the movable image comprehensive detector is arranged in each corridor body subsection of the pipe corridor and is used for carrying out image acquisition on the working condition of each line pipeline in the pipe corridor.
Particularly, the pipe gallery detection unit is arranged to replace manual inspection, timeliness of detection data is effectively guaranteed, and good use performance of the pipe gallery during working is effectively guaranteed through periodic detection of various data of the pipe gallery.
As shown in fig. 1, when the pipe gallery works, a plurality of reserved detection holes located on the longitudinal connecting surface of the same pipe gallery are connected to a water liquid collecting tank of a drainage ditch through a connecting pipe, the pipe gallery control unit can control the liquid detector to periodically collect water liquid height data in the water liquid collecting tank and transmit the water liquid height data to the pipe gallery control unit, and the pipe gallery control unit judges whether the pipe gallery has a water seepage risk by analyzing the water liquid height data;
the pipe gallery control unit is provided with a water seepage water liquid height standard H0, a liquid detector positioned at the joint of the a-th pipe gallery is set to collect water liquid height data in a water liquid collecting tank to be Ha, wherein a is 1,2,3, … …, H0 is more than 0, Ha is more than or equal to 0,
when Ha is less than or equal to H0, the pipe gallery control unit judges that no water leakage exists at the connection position of the a-th pipe gallery;
when Ha is larger than H0, the pipe gallery control unit judges that water leakage exists at the connection part of the a-th pipe gallery and starts the liquid detector to periodically detect the water liquid height data in the water liquid collecting tank according to the water leakage detection period;
the pipe gallery control unit is provided with a standard pipe gallery detection period T0, a water leakage detection period TL0, a first water liquid difference judgment standard delta H1 and a second water liquid difference judgment standard delta H2, wherein T0 is more than TL0 and more than 0, delta H2 is more than delta H1 and more than 0, when the pipe gallery control unit judges that water leakage occurs at the joint of the pipe gallery and starts the liquid detector to periodically detect the water liquid height data to be Ha 'according to the water leakage detection period TL0, the delta Ha-Ha' -Ha is set,
when the delta Ha is less than or equal to the delta H1, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a first water leakage standard and sends an alarm to remind of replacing a circumferential sealing rubber strip at the connection position of the a-th pipe gallery;
when the delta H1 is more than or equal to the delta Ha and less than or equal to the delta H2, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a second water leakage standard, sends information to remind the connection position of the a-th pipe gallery of water leakage, and starts the image comprehensive detector to collect image data of a reserved detection hole at the connection position of the a-th pipe gallery along the circumferential direction;
when delta Ha is larger than delta H2, the pipe gallery control unit judges that the a-th pipe gallery joint leaks water and does not conform to the water leakage standard, sends information to remind the a-th pipe gallery joint to leak water and starts the image comprehensive detector to collect the image data of the reserved detection hole at the a-th pipe gallery joint along the circumferential direction.
Particularly, the waterproof treatment method provided by the invention can be used for timely performing waterproof treatment by adopting a corresponding treatment mode through detecting the water leakage condition at the joint of the adjacent pipe gallery, so that the effective waterproofing of the waterproof treatment mode provided by the invention is effectively ensured, and the problems of singleness and non-reversibility of the traditional grouting plugging waterproof mode are effectively avoided.
Continuing to refer to fig. 1, the comprehensive image detector can collect image information according to a set detection route or a manual control route, when the pipe gallery control unit determines to start the comprehensive image detector, the pipe gallery control unit controls the comprehensive image detector to collect image information of each reserved detection hole at the joint of the water leakage pipe gallery in unit time and transmits the image information to the pipe gallery control unit, when the pipe gallery control unit receives the image information transmitted by the comprehensive image detector, the pipe gallery control unit can analyze a moving image in the image information to judge whether water leakage exists in a waterproof partition where the reserved detection hole is located,
setting the image comprehensive detector to acquire the image information of the ith reserved detection positioned in the ith waterproof subarea at the joint of the ith pipe gallery as an image Pi, wherein i is 1,2,3 and … …, analyzing moving images in the image Pi in sequence by the pipe gallery control unit,
if the Pi does not have a moving image, the pipe gallery control unit judges that the ith waterproof partition is watertight and transmits the detection information of the detection to a pipe gallery maintenance log of the pipe gallery control unit;
if there is the removal image in the Pi, pipe gallery control unit judges that the waterproof subregion of ith leaks, sends out the warning and reminds to carry out water liquid derivation and waterproof pressure slip casting processing and transmit this time the detection information that detects to pipe gallery control unit in the pipe gallery maintenance log.
Specifically, the water liquid detection is carried out on the reserved detection hole at the joint of the pipe gallery by arranging the movable image comprehensive detector so as to judge whether the water leakage condition exists in the waterproof partition where the reserved detection hole is located, and the water leakage plugging treatment is carried out on the waterproof partition where the water leakage exists in a pressure grouting mode, so that the practicability and the effectiveness of the waterproof mode of the joint of the pipe gallery are effectively guaranteed.
Continuing to refer to fig. 1, the pipe rack control unit comprises a pipe rack maintenance log module which is arranged in the pipe rack control unit and used for storing maintenance information of a pipe rack, wherein the pipe rack maintenance information comprises pipe rack use starting time, pipe rack circumferential sealing rubber strip replacement time, pipe rack detection information and pipe rack maintenance operation information;
when the pipe gallery control unit judges the water leakage state of the pipe gallery, the detection information and the processing information aiming at the pipe gallery are transmitted to a folder corresponding to the pipe gallery maintenance log module, the pipe gallery control unit calls the replacement time of the circumferential sealing rubber strip corresponding to the pipe gallery maintenance log module and determines whether the circumferential sealing rubber strip needs to be replaced according to the time difference between the time and the current time, the previous replacement time of the circumferential sealing rubber strip of the ith pipe gallery stored in the pipe gallery maintenance log module is set as ti, the current time is t, and delta t is t-ti, wherein t is more than ti and more than 0, and delta t is more than 0,
if delta t is less than Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip meets the standard and does not need to replace the circumferential sealing rubber strip;
if the delta t is larger than or equal to Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip does not meet the standard, and sends an alarm to remind of replacing the circumferential sealing rubber strip.
Continuing to refer to fig. 1, when the pipe gallery control unit determines that waterproof pressure grouting needs to be performed on the ith waterproof partition, the control unit transmits the determination result to the pipe gallery maintenance log module and adjusts the pipe gallery maintenance period and the pipe gallery detection period of the ith pipe gallery according to the number of the waterproof partitions maintained by pressure grouting adopted by the ith pipe gallery;
the method comprises the steps that a pipe gallery standard maintenance period Tw0 and a pipe gallery maintenance period adjustment coefficient beta are preset in a pipe gallery control unit, wherein Tw0 is larger than T0 and is larger than 0 and smaller than beta 1, the number of pressure grouting maintenance waterproof partitions collected by the pipe gallery control unit from the ith pipe gallery is recorded as k, the adjusted pipe gallery maintenance period is recorded as Twk0, the adjusted pipe gallery detection period is recorded as Tk0, wherein k is larger than or equal to 0, Twk0 Tw0 x (1-k beta) is set, and Tk 0T 0 x (1-k beta) is set;
when the circumference joint strip reached the change cycle, pipe gallery control unit sends the alarm and reminds to change circumference joint strip and sets for the pipe gallery maintenance cycle that corresponds for standard pipe gallery maintenance cycle and will correspond the detection cycle adjustment of pipe gallery for standard pipe gallery detection cycle in order to carry out periodic maintenance and detection to the condition of leaking of this department after changing.
Particularly, the daily detection and maintenance processing of the pipe gallery are recorded by arranging the pipe gallery maintenance log module, so that the pipe gallery is effectively ensured to have stable working capacity, and the waterproof capacity of the joint of the pipe gallery is further effectively ensured by setting the maintenance period.
Continuing to refer to fig. 1, concrete materials with different properties are adopted for the concrete materials used by the pipe gallery prefabricating unit according to the positions of the pipe gallery, ultra-high performance concrete is adopted for the outer side wall of the pipe gallery prefabricating unit, the strength grade of the ultra-high performance concrete meets the C150 standard, and the tensile strength of the ultra-high performance concrete is greater than 20Mpa, so that the pressure transmitted by the outer wall of the pipe gallery is supported; other positions of the pipe gallery prefabricated unit adopt light high-strength concrete, the strength grade of the light high-strength concrete accords with the C60 standard, and the volume weight of the light high-strength concrete is less than 1500kg/m3, so that the use requirement of the pipe gallery is met, and the weight of the pipe gallery prefabricated unit is reduced.
Particularly, concrete materials with different properties are used at different parts of the pipe gallery, the characteristics of functional concrete are effectively utilized, and the strength requirement of the pipe gallery is met by using less materials, so that the self weight of the pipe gallery is further effectively reduced through material selection, and the performance that the pipe gallery has lower self weight is effectively ensured.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to 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 (10)
1. A light prefabricated underground comprehensive pipe gallery comprises,
the top surface and the bottom surface of the pipe gallery prefabricated unit are of flat plate structures, the outer side wall of the pipe gallery prefabricated unit is of an arc structure and is used as a pipe gallery main body, and the construction of the underground pipe gallery is completed by splicing and fixing a plurality of pipe gallery cabin body units;
the longitudinal temporary ribs are arranged in the top plate and the bottom plate tensioning sleeves of the pipe gallery prefabricated units and used for longitudinally jointing the adjacent pipe gallery prefabricated units through longitudinal splicing and tensioning;
the prestressed tendon units are arranged on the top plate and the bottom plate of the pipe gallery prefabricated unit, comprise transverse prestressed tendons and longitudinal prestressed tendons and are used for offsetting partial pressure borne by the pipe gallery through prestress and connecting the pipe gallery prefabricated unit to form a closed pipe gallery whole body;
the circumferential sealing rubber strip is arranged on a sealing rubber strip mounting groove of a longitudinal connecting surface of the pipe gallery prefabricating unit, is connected with the pipe gallery prefabricating unit and is used for forming a closed waterproof space through circumferential sealing so as to seal the longitudinal connecting position of the pipe gallery prefabricating unit;
the pipe gallery detection unit is arranged at the bottom of the pipe gallery prefabricating unit, the longitudinal sealing connection position of the pipe gallery prefabricating unit and the vicinity of the longitudinal prestressed tendons and is used for detecting the environmental data of the comprehensive pipe gallery;
and the pipe gallery control unit is arranged at the pipe gallery maintenance center and connected with the detection unit for analyzing each item of data transmitted by the detection unit and judging the use performance of the pipe gallery.
2. The light-duty prefabricated utility tunnel of claim 1, wherein said circumferential sealant strip employs a water-swellable adhesive tape for isolating water from the interior of the duct by swelling when said circumferential sealant strip is in water, said circumferential sealant strip can be connected by adjacent duct prefabricated units to divide the longitudinal joints of the duct prefabricated units into a plurality of closed waterproof spaces and a reserved detection hole is provided at the lowest point of a single waterproof space, said circumferential sealant strip can be replaced to achieve a waterproof function;
the waterproof function comprises a waterproof checking function of detecting through the reserved detection holes, a drainage function of draining water liquid in the waterproof space to a drainage ditch through the reserved detection holes and a waterproof plugging function of performing pressure grouting through the reserved detection holes.
3. The lightweight prefabricated underground utility tunnel according to claim 1, wherein the pipe tunnel detection unit comprises a liquid detector, a pretension sensor and an image utility detector;
the liquid detector is arranged near the longitudinal connecting surface of the adjacent pipe gallery and used for detecting the water leakage condition at the connecting part of the prefabricated units of the pipe gallery; the pre-tightening force sensor is arranged at the fastening position of the longitudinal prestressed tendon and used for detecting the fastening condition of the longitudinal prestressed tendon; the image comprehensive detector adopts a movable image comprehensive detector, and the movable image comprehensive detector is arranged in each corridor body subsection of the pipe corridor and is used for carrying out image acquisition on the working condition of each line pipeline in the pipe corridor.
4. The light prefabricated underground comprehensive pipe gallery according to claim 3, wherein when the pipe gallery works, a plurality of reserved detection holes located on the longitudinal connecting surface of the same pipe gallery are connected into a water liquid collecting tank of a drainage ditch through a connecting pipe, the pipe gallery control unit can control the liquid detector to periodically collect water liquid height data in the water liquid collecting tank and transmit the water liquid height data to the pipe gallery control unit, and the pipe gallery control unit judges whether the pipe gallery has water seepage risks by analyzing the water liquid height data;
the pipe gallery control unit is provided with a water seepage water liquid height standard H0, a liquid detector positioned at the joint of the a-th pipe gallery is set to collect water liquid height data in a water liquid collecting tank to be Ha, wherein a is 1,2,3, … …, H0 is more than 0, Ha is more than or equal to 0,
when Ha is less than or equal to H0, the pipe gallery control unit judges that no water leakage exists at the connection position of the a-th pipe gallery;
when Ha is larger than H0, the pipe gallery control unit judges that water leakage exists at the connection part of the a-th pipe gallery and starts the liquid detector to periodically detect the water liquid height data in the water liquid collecting tank according to the water leakage detection period;
the pipe gallery control unit is provided with a standard pipe gallery detection period T0, a water leakage detection period TL0, a first water liquid difference judgment standard delta H1 and a second water liquid difference judgment standard delta H2, wherein T0 is more than TL0 and more than 0, delta H2 is more than delta H1 and more than 0, when the pipe gallery control unit judges that water leakage occurs at the joint of the pipe gallery and starts the liquid detector to periodically detect the water liquid height data to be Ha 'according to the water leakage detection period TL0, the delta Ha-Ha' -Ha is set,
when the delta Ha is less than or equal to the delta H1, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a first water leakage standard and sends an alarm to remind of replacing a circumferential sealing rubber strip at the connection position of the a-th pipe gallery;
when the delta H1 is more than or equal to the delta Ha and less than or equal to the delta H2, the pipe gallery control unit judges that the water leakage at the connection position of the a-th pipe gallery meets a second water leakage standard, sends information to remind the connection position of the a-th pipe gallery of water leakage, and starts the image comprehensive detector to collect image data of a reserved detection hole at the connection position of the a-th pipe gallery along the circumferential direction;
when delta Ha is larger than delta H2, the pipe gallery control unit judges that the a-th pipe gallery joint leaks water and does not conform to the water leakage standard, sends information to remind the a-th pipe gallery joint to leak water and starts the image comprehensive detector to collect the image data of the reserved detection hole at the a-th pipe gallery joint along the circumferential direction.
5. The light prefabricated underground comprehensive pipe rack according to claim 4, wherein the image comprehensive detector can collect image information according to a set detection route or a manual control route, when the control unit judges that the image comprehensive detector is started to work, the pipe rack control unit controls the image comprehensive detector to collect image information of each reserved detection hole at the joint of the water leakage pipe rack in unit time and transmit the image information to the pipe rack control unit, when the pipe rack control unit receives the image information transmitted by the image comprehensive detector, the pipe rack control unit can analyze a moving image in the image information to judge whether water leakage exists in a waterproof partition where the reserved detection hole is located,
setting the image comprehensive detector to acquire the image information of the ith reserved detection positioned in the ith waterproof subarea at the joint of the ith pipe gallery as an image Pi, wherein i is 1,2,3 and … …, analyzing moving images in the image Pi in sequence by the pipe gallery control unit,
if the Pi does not have a moving image, the pipe gallery control unit judges that the ith waterproof partition is watertight and transmits the detection information of the detection to a pipe gallery maintenance log of the pipe gallery control unit;
if there is the removal image in the Pi, pipe gallery control unit judges that the waterproof subregion of ith leaks, sends out the warning and reminds to carry out water liquid derivation and waterproof pressure slip casting processing and transmit this time the detection information that detects to pipe gallery control unit in the pipe gallery maintenance log.
6. The light-duty prefabricated utility tunnel of claim 5, wherein the pipe gallery control unit includes a pipe gallery maintenance log module, which is disposed in the pipe gallery control unit for storing maintenance information of a pipe gallery, the pipe gallery maintenance information including pipe gallery use start time, pipe gallery circumferential sealing rubber strip replacement time, pipe gallery detection information and pipe gallery maintenance operation information;
when the pipe rack control unit judges the water leakage state of the pipe rack, the detection information and the processing information aiming at the pipe rack are transmitted to a folder corresponding to the pipe rack maintenance log module, the pipe rack control unit calls the replacement time of a circumferential sealing rubber strip corresponding to the pipe rack maintenance log module and determines whether the circumferential sealing rubber strip needs to be replaced according to the time difference between the time and the current time, the previous replacement time of the circumferential sealing rubber strip of the ith pipe rack stored in the pipe rack maintenance log module is set as ti, the current time is t, and delta t is t-ti, wherein t is more than ti and more than 0, and delta t is more than 0,
if delta t is less than Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip meets the standard and does not need to replace the circumferential sealing rubber strip;
if the delta t is larger than or equal to Tw0, the pipe gallery control unit judges that the replacement time of the circumferential sealing rubber strip does not meet the standard, and sends an alarm to remind of replacing the circumferential sealing rubber strip.
7. The light-duty prefabricated utility tunnel of claim 5, wherein when the pipe gallery control unit determines that waterproof pressure grouting is required for the ith waterproof partition, the control unit transmits the determination result to the pipe gallery maintenance log module and adjusts the pipe gallery maintenance period and the pipe gallery detection period of the ith pipe gallery according to the number of pressure grouting maintenance waterproof partitions adopted by the ith pipe gallery;
the method comprises the steps that a pipe gallery standard maintenance period Tw0 and a pipe gallery maintenance period adjustment coefficient beta are preset in a pipe gallery control unit, wherein Tw0 is larger than T0 and is larger than 0 and smaller than beta 1, the number of pressure grouting maintenance waterproof partitions collected by the pipe gallery control unit from the ith pipe gallery is recorded as k, the adjusted pipe gallery maintenance period is recorded as Twk0, the adjusted pipe gallery detection period is recorded as Tk0, wherein k is larger than or equal to 0, Twk0 Tw0 x (1-k beta) is set, and Tk 0T 0 x (1-k beta) is set;
when the circumference joint strip reached the change cycle, pipe gallery control unit sends the alarm and reminds to change circumference joint strip and sets for the pipe gallery maintenance cycle that corresponds for standard pipe gallery maintenance cycle and will correspond the detection cycle adjustment of pipe gallery for standard pipe gallery detection cycle in order to carry out periodic maintenance and detection to the condition of leaking of this department after changing.
8. The light-duty prefabricated utility tunnel of claim 1, characterized in that, the concrete material that the said pipe gallery prefabricated unit used adopts different performance concrete material according to the position in the pipe gallery, the said pipe gallery prefabricated unit lateral wall adopts the ultra-high performance concrete, the strength grade of the said ultra-high performance concrete accords with C150 standard and the tensile strength of the said ultra-high performance concrete is greater than 20Mpa, in order to support the pressure that the outer wall of pipe gallery conducts; light high strength concrete is adopted at other positions of the prefabricated unit of pipe gallery, the strength grade of the light high strength concrete accords with the C60 standard just the volume weight of the light high strength concrete is less than 1500kg/m3 for satisfy the use requirement of the pipe gallery and lighten the weight of the prefabricated unit of the pipe gallery.
9. The light-duty prefabricated utility tunnel of claim 1, characterized in that, the prefabricated unit of piping lane includes monomer formula piping lane prefabricated unit and concatenation formula piping lane prefabricated unit, monomer formula piping lane prefabricated unit includes two piping lane cabin bodies of horizontal interconnect, the lateral wall that the joint wall of two cabin bodies adopted plane connection and kept away from two piping lane cabin body joint walls adopts the arc lateral wall, concatenation formula piping lane prefabricated unit includes a plurality of concatenation formula piping lane unit monomer, the free concatenation department lateral wall of concatenation formula piping lane unit adopts the plane lateral wall and keeps away from the lateral wall of concatenation department and adopts the arc lateral wall, concatenation formula piping lane prefabricated unit is used for forming concatenation formula piping lane prefabricated unit through transversely splicing a plurality of concatenation formula piping lane unit monomer along the vertical direction of piping lane extending direction.
10. The lightweight prefabricated underground utility tunnel of claim 1, wherein the pipe gallery prefabrication units further comprise,
the prefabricated steel bar net piece is arranged inside the pipe gallery prefabricated unit and used as a framework of the pipe gallery prefabricated unit;
the U-shaped pre-buried guide groove is pre-buried in the inner wall of the pipe gallery prefabricating unit and connected with the prefabricated reinforcing steel mesh to serve as a mounting base of a line pipeline in the pipe gallery;
the concrete is poured and covers the prefabricated reinforcing mesh and the U-shaped embedded guide groove and is used as a main body of the pipe gallery prefabricated unit;
the assembly type supporting and hanging frame is arranged on the U-shaped embedded guide groove, is connected with the inner wall of the pipe gallery through the U-shaped embedded guide groove and is used as an installation support of a line pipeline in the pipe gallery, and the U-shaped embedded guide groove and the assembly type supporting and hanging frame are installed in a matched mode to fix the line pipeline in the pipe gallery;
the drainage ditch is arranged on the bottom plane in the pipe gallery prefabricating unit and used for discharging water liquid in the pipe gallery;
the end face drainage groove is arranged near the circumferential sealing rubber strip of the longitudinal connecting surface of the pipe gallery prefabricating unit, is connected with the drainage ditch and is used for draining water liquid permeating into the connecting part of the pipe gallery prefabricating unit;
and the end face sealing rubber strip mounting groove is arranged on the longitudinal connecting surface of the pipe gallery prefabricated unit and connected with the circumferential sealing rubber strip for clamping the circumferential sealing rubber strip.
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| CN114439039B (en) | 2022-09-02 |
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