Elliptical section Urban Underground Complex
Technical field
The invention belongs to Impacts Evaluation of Urban Tunnel engineering field and urban operating mechanism technical field, particularly relate to a kind of elliptical section Urban Underground Complex.
Background technology
Urban transportation is built like a raging fire at present, along with country is pushed further into pipe gallery, sponge Urban strategy, China big and medium-sized cities will start the new round climax of underground engineering construction, due to the scarcity of the underground space, huge to the demand of the Urban Underground Complex of collection " Urban Underground pipe gallery, Urban Underground expressway, urban underground construction space ".
Japan and the exploitation of the American-European underground space and construction maintain the leading position, advocate and propose city, underground and the synthesization of urban underground space and three-dimensional utility strategies at first, nineteen ninety proposition Tokyo Declaration: the Devoting Major Efforts To Developing underground space, starting the mankind's new cave period, International Tunnelling Association in 2010 expands to tunnel and underground space association and declares: 21 century is the century of the underground space.
To mark international metropolis, change extensive style, stand large flat bread urban development pattern are intensive, solid mode, want space to underground;Break through the resource environment total amount constraints such as urban land, air, water source, greenery patches, per capita city space, the energy, environment;Traffic congestion, air dirt, noise pollution, visual pollution, city see sea, greening be not enough, real estate finance transition, degradation causes the urban disease of life and carries out comprehensive improvement under the vigor of old town;Change made in China is Created in China, cultivates high-end industry cluster leading in the world.
Cities of Foreign Countries underground space development is with a long history, how combines commercial facility with Large Underground transport hub and parking lot, the multiple traffic form of appearance present in the underground space synthesis type of one.In the world, Japan and American-European exploitation and construction in the underground space maintain the leading position, and advocate and propose city, underground and the synthesization of urban underground space and three-dimensional utility strategies at first.Totally seeing, the underground space synthesis many countries including multiple transportation modes or several functions occur now and then, and there is not yet collection " Urban Underground pipe gallery, Urban Underground expressway, urban underground construction space " Urban Underground Complex type.Therefore, in the urgent need to exploitation underground space synthesis, adapt to national green building and the strategy of sustainable development.
Summary of the invention
It is an object of the invention to solve the World Cities development problem of " traffic congestion, sponge city, pipe gallery " integration, save construction investment and the green ecological ideal city offer technical scheme of " on the ground, thing and car are in underground for people " is provided.
To achieve these goals, the technical solution used in the present invention is:
A kind of elliptical section Urban Underground Complex, its composition includes elliptical section concrete shell, vertical load-bearing segmentation wall and cavity;The transverse section of described elliptical section concrete shell is oval water-proof concrete shell, and level is long axis direction, is vertically short-axis direction, arranges antiseepage protective layer in elliptical section concrete-shell external body;Arranging that in the vertical axis of elliptical section concrete shell transverse section wall is split in vertical load-bearing, elliptical section concrete shell is separated into two symmetrical cavitys by vertical load-bearing segmentation wall;Two inside cavity layouts are arranged with vertical load-bearing segmentation wall for axial symmetry;
In the cavity of left and right, elliptical section concrete shell transverse section horizontal axis arranges upper strata underground traffic bearing soleplate respectively, the symmetrical cavity in two, left and right is separated into about two symmetrical cavitys by upper strata underground traffic bearing soleplate respectively, and left and right inside cavity layout is arranged with upper strata underground traffic bearing soleplate for axial symmetry;In the cavity of described left and right, the top of upper strata underground traffic bearing soleplate is respectively provided with upper strata underground traffic top board, upper strata underground traffic bearing soleplate be respectively arranged below underlying earth traffic bearing soleplate;
Described elliptical section concrete shell, vertical load-bearing segmentation wall, underlying earth traffic bearing soleplate, upper strata underground traffic top board, upper strata underground traffic bearing soleplate collectively form the cancelled structure of the staggered space-load of transverse and longitudinal;
Cavity is divided into four layers by described underlying earth traffic bearing soleplate, upper strata underground traffic top board, upper strata underground traffic bearing soleplate, be followed successively by from down to up ground floor, the second layer, third layer, the 4th layer;Described ground floor and the 4th layer be pipe gallery layer, the second layer and third layer be underground traffic layer;
Described ground floor pipe gallery layer preferentially arranges 4 ~ 6 cabins, pipe gallery partition wall separate, and has water tank and is preferentially arranged in ground floor without electricity cabin;
Described second layer underground traffic layer arranges 4 cabins;Lower floor's station wagon dedicated bay one, lower floor's station wagon dedicated bay two and lower floor's traffic emergent evacuation cabin one, lower floor's traffic emergent evacuation cabin two lay respectively at vertical load-bearing segmentation wall both sides and all with vertical load-bearing segmentation wall as axial symmetry, being respectively lower floor's station wagon dedicated bay one, lower floor's station wagon dedicated bay two near two cabins of vertical load-bearing segmentation wall, two cabins away from vertical load-bearing segmentation wall are respectively lower floor's traffic emergent evacuation cabin one, lower floor's traffic emergent evacuation cabin two;Between lower floor's station wagon dedicated bay one and lower floor's traffic emergent evacuation cabin one, between lower floor's station wagon dedicated bay two and lower floor's traffic emergent evacuation cabin two, it is respectively provided with security isolation wall, security isolation wall is provided with multiple safety door, and security isolation wall and safety door thereof all have fire-proof function;
Described third layer underground traffic layer is arranged the most identical with second layer underground traffic layer, is correspondingly arranged on upper strata station wagon dedicated bay one, upper strata station wagon dedicated bay two, traffic emergent evacuation cabin, upper strata one, traffic emergent evacuation cabin, upper strata two;The layout of described 4th layer of pipe gallery layer is the most identical with ground floor pipe gallery layer, and the 4th layer of pipe gallery layer preferentially arranges 4 ~ 6 cabins, pipe gallery partition wall separate;
The bottom of described lower floor station wagon dedicated bay one, lower floor's station wagon dedicated bay two, upper strata station wagon dedicated bay one, the vertical load-bearing segmentation wall of station wagon dedicated bay two both sides, upper strata and security isolation wall arranges continuous print anti-collision wall respectively;
Vertical load-bearing segmentation wall in described second layer underground traffic layer and third layer underground traffic layer preferentially uses subsection setup, transverse section as shown in Figure 1, along the trend i.e. direction in tunnel at hole, conveniently detachable vertical load-bearing segmentation wall is preferentially being set in the range of 1000 meters ~ 3000 meters of the direction in tunnel;
Described underlying earth traffic bearing soleplate one end is connected with vertical load-bearing segmentation wall, and one end is connected with elliptical section concrete shell, preferentially uses housing pier at elliptical section concrete shell connecting portion;
Each cabin of described ground floor pipe gallery layer, lower floor's traffic emergent evacuation cabin one, lower floor's traffic emergent evacuation cabin two, traffic emergent evacuation cabin, upper strata one, each cabin of the two, the 4th layer of pipe gallery layer in traffic emergent evacuation cabin, upper strata all have multiple escape way to be directly connected with ground;
Between described lower floor's traffic emergent evacuation cabin one and traffic emergent evacuation cabin, upper strata one, multiple escape way being interconnected the most preferentially is set between lower floor's traffic emergent evacuation cabin two and traffic emergent evacuation cabin, upper strata two;
Described elliptical section concrete shell uses water-proof concrete, long shaft external diameter preferentially uses 15 ~ 25m, and its thickness is preferably the 5 ~ 10% of long shaft external diameter, preferentially uses assembly flow shop, assembling seam preferentially uses the hoop fissure of displacement and longitudinal fissure of displacement, and seam carries out water-proofing treatment.
Described antiseepage protective layer can use cement mortar waterproof layer, coil waterproof layer, coating waterproof layer, drainage systems waterproof layer, bentonite waterproof material waterproofing layer one or more, when using single waterproof layer, preferential use two-layer and above waterproof type.
Described underlying earth traffic bearing soleplate, upper strata underground traffic top board, upper strata underground traffic bearing soleplate preferentially use assembly concrete component assembly;Assembly concrete component uses beam channel, tee girder, Horse hoof ellbeam or box beam, preferential employing lattice beam channel;One end of described underlying earth traffic bearing soleplate, upper strata underground traffic top board and upper strata underground traffic bearing soleplate is all connected with vertical load-bearing segmentation wall, and the other end is all connected with elliptical section concrete shell.
The cross section of described housing pier is right-angled trapezium, its composition includes narrow end pier base, wide end pier top face, pier body is faced directly, pier body installs inclined-plane, the top of housing pier is wide end pier top face, and bottom is narrow end pier base, and wide end pier top face width degree is 2 ~ 3 times of narrow end pier base width;Housing pier preferentially uses prefabricated assembled concrete structure.
The composition of described lattice beam channel includes web, flange plate, circumferential rib, class rectangular enclosure, trough plate connecting bolt, some circumferential ribs are set between two webs, circumferential rib-3 is preferentially uniformly distributed, and the height of circumferential rib is less than the height of web, and circumferential rib top and flange plate integrated connection;Offering class rectangular enclosure on circumferential rib, cavity is rectangle, and uses arc transition in the corner of rectangle;Two lattice beam channel adjacent web use trough plate connecting bolt to connect.
When pipe gallery cabin is as natural gas cabin, the disconnectable natural gas blast resistance construction of preferential employing adds layer, natural gas blast resistance construction adds layer and is positioned on the inwall of pipe gallery cabin, disconnectable natural gas blast resistance construction adds layer and preferentially uses reinforced concrete structure, and preferentially adding fiber, fiber preferentially uses carbon fiber, steel fibre, glass fibre and polypropylene fibre.
Described anti-collision wall preferentially uses prefabricated assembled assembly.
The invention has the beneficial effects as follows pool all kinds of municipal pipelines planning, build and manage, solve repeatedly the problem such as excavated pavement, built on stilts intensive, the pipeline Frequent Accidents of gauze, be conducive to ensureing urban safety, improve city function, beautifying city view, promote that city is intensive efficiently and Transformation Development, be conducive to improving urban carrying capacity and urbanization quality, be conducive to increasing public product effective investment, pulling social capital to put into, make the new power of economic development.Become extensive style, stand large flat bread urban development pattern is intensive, solid mode, wants space to underground;Break through the resource environment total amount constraints such as urban land, air, water source, greenery patches, per capita city space, the energy, environment;Traffic congestion, air dirt, noise pollution, visual pollution, city see sea, greening be not enough, real estate finance transition, degradation causes the urban disease of life and carries out comprehensive improvement under the vigor of old town;Change made in China is Created in China, cultivates high-end industry cluster leading in the world.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the elliptical section Urban Underground Complex in the present invention is described further:
Fig. 1 is elliptical section Urban Underground Complex schematic cross-sectional view of the present invention;
Fig. 2 is lattice beam channel schematic cross-sectional view;
Fig. 3 is housing pier schematic cross-sectional view.
In figure: 1 is pipe gallery cabin one;2 is pipe gallery cabin two;3 is pipe gallery cabin three;4 is pipe gallery cabin four;5 is lower floor's station wagon dedicated bay one;6 is lower floor's station wagon dedicated bay two;7 is upper strata station wagon dedicated bay one;8 is upper strata station wagon dedicated bay two;9 is lower floor's traffic emergent evacuation cabin one;10 is lower floor's traffic emergent evacuation cabin two;11 is traffic emergent evacuation cabin, upper strata one;12 is traffic emergent evacuation cabin, upper strata two;13 is pipe gallery cabin five;14 is pipe gallery cabin six;15 is pipe gallery cabin seven;16 is pipe gallery cabin eight;17 is elliptical section concrete shell;18 is antiseepage protective layer;19 is that wall is split in vertical load-bearing;20 is underlying earth traffic bearing soleplate;21 is upper strata underground traffic top board;22 is upper strata underground traffic bearing soleplate;23 is security isolation wall;24 is pipe gallery partition wall;25 is anti-collision wall;26 is housing pier;20-1 is web;20-2 is flange plate;20-3 is circumferential rib;20-4 is class rectangular enclosure;20-5 is trough plate connecting bolt;26-1 is narrow end pier base;26-2 is wide end pier top face;26-3 is that pier body is faced directly;26-4 is that pier body installs inclined-plane.
Detailed description of the invention
In order to further illustrate the present invention, below in conjunction with the accompanying drawings and the present invention is described in detail by embodiment, but they can not be interpreted as limiting the scope of the present invention.
A kind of elliptical section Urban Underground Complex, as it is shown in figure 1, its composition includes elliptical section concrete shell 17, vertical load-bearing segmentation wall 19 and cavity;The transverse section of described elliptical section concrete shell 17 is oval water-proof concrete shell, and level is long axis direction, is vertically short-axis direction, arranges antiseepage protective layer 18 outside elliptical section concrete shell 17;Arranging that in the vertical axis of elliptical section concrete shell 17 transverse section wall 19 is split in vertical load-bearing, elliptical section concrete shell 17 is separated into two symmetrical cavitys by vertical load-bearing segmentation wall 19;Two inside cavity layouts are arranged with vertical load-bearing segmentation wall 19 for axial symmetry;
In the cavity of left and right, elliptical section concrete shell 17 transverse section horizontal axis arranges upper strata underground traffic bearing soleplate 22 respectively, the symmetrical cavity in two, left and right is separated into about two symmetrical cavitys by upper strata underground traffic bearing soleplate 22 respectively, and left and right inside cavity layout is arranged with upper strata underground traffic bearing soleplate 22 for axial symmetry;In the cavity of described left and right, the top of upper strata underground traffic bearing soleplate 22 is respectively provided with upper strata underground traffic top board 21, upper strata underground traffic bearing soleplate 22 be respectively arranged below underlying earth traffic bearing soleplate 20;
Described elliptical section concrete shell 17, vertical load-bearing segmentation wall 19, underlying earth traffic bearing soleplate 20, upper strata underground traffic top board 21, upper strata underground traffic bearing soleplate 22 collectively form the cancelled structure of the staggered space-load of transverse and longitudinal;
Cavity is divided into four layers by described underlying earth traffic bearing soleplate 20, upper strata underground traffic top board 21, upper strata underground traffic bearing soleplate 22, be followed successively by from down to up ground floor, the second layer, third layer, the 4th layer;Described ground floor and the 4th layer be pipe gallery layer, the second layer and third layer be underground traffic layer;
Described ground floor pipe gallery layer preferentially arranges 4 ~ 6 cabins, pipe gallery partition wall 24 separate, and has water tank and is preferentially arranged in ground floor without electricity cabin;
Described second layer underground traffic layer arranges 4 cabins;Lower floor's station wagon dedicated bay 1, lower floor's station wagon dedicated bay 26 and lower floor's traffic emergent evacuation cabin 1, lower floor's traffic emergent evacuation cabin 2 10 lay respectively at vertical load-bearing segmentation wall 19 both sides and all with vertical load-bearing segmentation wall 19 as axial symmetry, being respectively lower floor's station wagon dedicated bay 1, lower floor's station wagon dedicated bay 26 near two cabins of vertical load-bearing segmentation wall 19, two cabins away from vertical load-bearing segmentation wall 19 are respectively lower floor's traffic emergent evacuation cabin 1, lower floor's traffic emergent evacuation cabin 2 10;Between lower floor's station wagon dedicated bay 1 and lower floor's traffic emergent evacuation cabin 1, between lower floor's station wagon dedicated bay 26 and lower floor's traffic emergent evacuation cabin 2 10, it is respectively provided with security isolation wall 23, security isolation wall 23 is provided with multiple safety door, and security isolation wall 23 and safety door thereof all have fire-proof function;
Described third layer underground traffic layer is arranged the most identical with second layer underground traffic layer, is correspondingly arranged on upper strata station wagon dedicated bay 1, upper strata station wagon dedicated bay 28, traffic emergent evacuation cabin, upper strata 1, traffic emergent evacuation cabin, upper strata 2 12;The layout of described 4th layer of pipe gallery layer is the most identical with ground floor pipe gallery layer, and the 4th layer of pipe gallery layer preferentially arranges 4 ~ 6 cabins, pipe gallery partition wall 24 separate;
The bottom of described lower floor station wagon dedicated bay 1, lower floor's station wagon dedicated bay 26, upper strata station wagon dedicated bay 1, the vertical load-bearing segmentation wall 19 of station wagon dedicated bay 28 both sides, upper strata and security isolation wall 23 arranges continuous print anti-collision wall 25 respectively;
Vertical load-bearing segmentation wall 19 in described second layer underground traffic layer and third layer underground traffic layer preferentially uses subsection setup, is preferentially arranging conveniently detachable vertical load-bearing segmentation wall 19 in the range of 1000 meters ~ 3000 meters of direction, tunnel;
Described underlying earth traffic bearing soleplate 20 one end is connected with vertical load-bearing segmentation wall 19, and one end is connected with elliptical section concrete shell 17, preferentially uses housing pier 26 at elliptical section concrete shell 17 connecting portion;
Each cabin of described ground floor pipe gallery layer, lower floor's traffic emergent evacuation cabin 1, lower floor's traffic emergent evacuation cabin 2 10, traffic emergent evacuation cabin, upper strata 1, each cabin of the 2 12, the 4th layer of pipe gallery layer in traffic emergent evacuation cabin, upper strata all have multiple escape way to be directly connected with ground;
Between described lower floor's traffic emergent evacuation cabin 1 and traffic emergent evacuation cabin, upper strata 1, multiple escape way being interconnected the most preferentially is set between lower floor's traffic emergent evacuation cabin 2 10 and traffic emergent evacuation cabin, upper strata 2 12;
Described elliptical section concrete shell 17 uses water-proof concrete, long shaft external diameter preferentially uses 15 ~ 25m, and its thickness is preferably the 5 ~ 10% of long shaft external diameter, preferentially uses assembly flow shop, assembling seam preferentially uses the hoop fissure of displacement and longitudinal fissure of displacement, and seam carries out water-proofing treatment.
Described antiseepage protective layer 18 can use cement mortar waterproof layer, coil waterproof layer, coating waterproof layer, drainage systems waterproof layer, bentonite waterproof material waterproofing layer one or more; when using single waterproof layer, preferential employing two-layer and above waterproof type.
Described underlying earth traffic bearing soleplate 20, upper strata underground traffic top board 21, upper strata underground traffic bearing soleplate 22 preferentially use assembly concrete component assembly;Assembly concrete component uses beam channel, tee girder, Horse hoof ellbeam or box beam, preferential employing lattice beam channel;One end of described underlying earth traffic bearing soleplate 20, upper strata underground traffic top board 21 and upper strata underground traffic bearing soleplate 22 is all connected with vertical load-bearing segmentation wall 19, and the other end is all connected with elliptical section concrete shell 17.
The cross section of described housing pier 26 is right-angled trapezium, as shown in Figure 3, its composition includes that narrow end pier base 26-1, wide end pier top face 26-2, pier body face 26-3 directly, pier body installs inclined-plane 26-4, the top of housing pier 26 is wide end pier top face 26-2, bottom is narrow end pier base 26-1, and wide end pier top face 26-2 width is 2 ~ 3 times of narrow end pier base 26-1 width;Housing pier 26 preferentially uses prefabricated assembled concrete structure.
As shown in Figure 2, the composition of described lattice beam channel includes web 20-1, flange plate 20-2, circumferential rib 20-3, class rectangular enclosure 20-4, trough plate connecting bolt 20-5, some circumferential rib 20-3 are set between two web 20-1, circumferential rib 20-3 is preferentially uniformly distributed, the height of circumferential rib 20-3 is less than the height of web 20-1, and circumferential rib 20-3 top and flange plate 20-2 integrated connection;Offering class rectangular enclosure 20-4 on circumferential rib 20-3, cavity is rectangle, and uses arc transition in the corner of rectangle;Two lattice beam channel adjacent web 20-1 use trough plate connecting bolt 20-5 to connect.
When pipe gallery cabin is as natural gas cabin, the disconnectable natural gas blast resistance construction of preferential employing adds layer, disconnectable natural gas blast resistance construction adds layer and preferentially uses reinforced concrete structure, and preferentially adds fiber, and fiber preferentially uses carbon fiber, steel fibre, glass fibre and polypropylene fibre.
Described anti-collision wall 25 preferentially uses prefabricated assembled assembly.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.