CN206956773U - A kind of four layers of class stairstepping Urban Underground Complex - Google Patents

Abstract

The utility model provides a kind of four layers of class stairstepping Urban Underground Complex, mainly include all-purpose road dedicated bay, station wagon dedicated bay, lower floor's traffic emergent evacuation cabin, upper strata traffic emergent evacuation cabin, sponge city cabin, electric compartment, telecommunications cabin, combustion gas cabin, without electric pipe gallery cabin, people's row cabin and underground parking.The beneficial effects of the utility model be under synthesis one or two layers be arranged as stairstepping, make structure stress more stable, the stairstepping of setting can make soil pressure, concentrated stress etc. reaches a more preferable state relative to rectangle etc., stairstepping provides a symmetrical reliable fulcrum to overall structure, makes the internal force of endothecium structure significantly reduce.Because using ladder configuration, industrialization fractionation is very convenient, and is easy to produce, and is easily installed, and is advantageous to promote process of industrialization.Bottom is fully used, and safer, proposes contribution to building sponge city, the discharge for optimizing sewage is collected.

Description

A kind of four layers of class stairstepping Urban Underground Complex

Technical field

The utility model belongs to Impacts Evaluation of Urban Tunnel engineering and urban operating mechanism technical field, more particularly to a kind of four layers of class Stairstepping Urban Underground Complex.

Background technology

Urban transportation is built like a raging fire at present, as 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, and due to the scarcity of the underground space, to collection, " Urban Underground is comprehensive The demand of the Urban Underground Complex in conjunction piping lane, Urban Underground expressway, urban underground construction space " is huge.

The exploitation and construction of the Japanese and American-European underground space maintain the leading position, and advocate at first and propose underground city and city The synthesization of city's underground space and three-dimensional utility strategies, nineteen ninety propose Tokyo Declaration：The Devoting Major Efforts To Developing underground space, start people Class new cave period, International Tunnelling Association in 2010 expand to tunnel and underground space association and declared：21 century is underground The century in space.

To marking international metropolis, become extensive style, stand large flat bread urban development pattern as intensive, solid mode, to underground Want space；Break through urban land, air, water source, per capita greenery patches, the constraint of the resource environment such as city space, the energy, environment total amount； Sea, greening deficiency, real estate finance transition, old town are seen to traffic congestion, air dirt, noise pollution, visual pollution, city The urban disease that the tricks such as vigor decline cause life carries out comprehensive improvement；Change made in China cultivates height leading in the world into Created in China Hold industry cluster.

Cities of Foreign Countries underground space development is with a long history, combines commercial facility with Large Underground transport hub more and stops Parking lot, hold underground space synthesis type presentation of a variety of traffic forms in one.In the world, Japan and America and Europe are empty in underground Between exploitation and construction maintain the leading position, advocate at first and propose synthesization and the solid in underground city and urban underground space Change utility strategies.Totally see, include multiple transportation modes or multiple functions underground space synthesis it is many national when have It is existing, there is not yet collection " Urban Underground pipe gallery, Urban Underground expressway, urban underground construction space " Urban Underground synthesis Body type.Among the existing Underground Urban Complex in China, however it remains it is integrated with it is integrated the problem of, constructional difficulties, many ground Lower engineering all so carries out industrialization without reasonably fractionation can encounter bottleneck, reduce the efficiency of our constructions, extend the duration, give People's life is made troubles.For the existing technology in China, step-like and rectangle concrete-shell body technique has been manufactured Quite ripe, splicing is very convenient.Do not have the construction in very perfect sponge city cabin in the existing underground engineering in China, it is dirty The planning of the pipelines such as water, rainwater, running water is mixed and disorderly, and the life to people is made troubles, and the construction of new building will also consider water Problem, built without water.And the utility model can integrate sponge city cabin, for the utilization of water, sponge is incorporated The construction in city.In the existing Underground Urban Complex in China, there are the stressing conditions of many synthesises less desirable, some meetings cause The sedimentation of large area, destroying etc., this is all class step type Underground Urban Complex of the present utility model caused by unbalance stress, by Power is uniform, structure is reached more stable state.Therefore, there is an urgent need to develop underground space synthesis, adapt to national green and build Build and the strategy of sustainable development.

The content of the invention

In view of the above-mentioned problems, the utility model provides a kind of four layers of class stairstepping Urban Underground Complex.

A kind of four layers of class stairstepping Urban Underground Complex, including all-purpose road dedicated bay, station wagon cabin, people's row cabin, Underground parking, sponge city cabin, telecommunications cabin, combustion gas cabin, electric compartment, without electric pipe gallery cabin, class stepped section coagulation Soil cursting body, antiseepage protective layer, vertical load-bearing ddividing wall, underground traffic bearing soleplate, pipe gallery bearing soleplate, natural gas are explosion-proof Cofferdam, horizontal load-bearing ddividing wall, pipe gallery partition wall, anti-collision wall and security isolation wall；The class stepped section coagulation The cross section of soil cursting body is that class is inverted stairstepping, and class stepped section concrete shell is coated with continuous antiseepage protective layer； Vertical load-bearing ddividing wall is located at the vertical center line of class stepped section concrete shell, perpendicular to vertical load-bearing ddividing wall by upper Underground traffic bearing soleplate, horizontal load-bearing ddividing wall and pipe gallery bearing soleplate are respectively equipped with, class stairstepping is broken It is a ladder that surface concrete housing is divided into four layers, the 4th layer and third layer from the bottom to top, is traffic layer；The second layer and first layer It is respectively a ladder；Sponge city cabin is respectively provided with first layer in the both sides of vertical load-bearing ddividing wall；In the second layer Vertical load-bearing ddividing wall or so is set to combustion gas cabin and electric compartment, and telecommunications cabin is adjacent with combustion gas cabin, and centre is separated with synthesis Piping lane partition wall, and extend to the 4th layer；Natural gas explosiveproof isolation cabin is added inside combustion gas cabin；Without electric pipe gallery cabin and electric compartment It is adjacent, between be equally separated with pipe gallery partition wall, and extend to the 4th layer；It is each in the both sides of vertical load-bearing ddividing wall in third layer Provided with a station wagon cabin, the intersection of vertical load-bearing ddividing wall and horizontal load-bearing ddividing wall is provided with anticollision in station wagon cabin Wall, adjacent with station wagon cabin is people's row cabin；In 4th layer a hybrid vehicle is respectively provided with the both sides of vertical load-bearing ddividing wall Road dedicated bay, vertical load-bearing ddividing wall and the intersection of underground traffic bearing soleplate are provided with anti-collision wall in all-purpose road dedicated bay, Adjacent with all-purpose road dedicated bay is underground parking；Between adjacent people's row cabin and all-purpose road dedicated bay be provided with safety every From wall and third layer is extended to, security isolation wall is again provided between adjacent underground parking and station wagon cabin and is extended to Third layer.

A kind of four layers of class stairstepping Urban Underground Complex is made as：Vertical load-bearing ddividing wall and horizontal load-bearing ddividing wall Whole synthesis is divided into four parts, one or two layers of part for being divided into two stairsteppings in left and right by vertical load-bearing ddividing wall, three or four Layer is divided into the part of two rectangular shapes in left and right by vertical load-bearing ddividing wall；During making, left rectangle, right square are carried out successively respectively Shape, left stairstepping, right step-like making, the making of the every part of easy carry out synthesis are simultaneously bolted together.

As a kind of perferred technical scheme：The sponge city can carry out sewage with waterproof layer is provided with inside cabin Discharge and collection, and can use the storage and release of water, water collected useless when；Sponge city is set with cabin Storm sewer is equipped with, can also use nacelle as storm sewer.

As a kind of perferred technical scheme：The vertical load-bearing ddividing wall of the traffic layer uses subsection setup, The vertical load-bearing ddividing wall that can manually dismount is set in the range of 1000m-3000m；The underground parking and people's row cabin of the homonymy Between be provided with multiple communication passages；Multiple egress doors are opened up on the security isolation wall, egress door has fire-proof function；It is described Sponge city with cabin, electric compartment, telecommunications cabin, combustion gas cabin and without being equipped with electric pipe gallery cabin multiple leads to people's row cabin and ground The escape way in lower parking lot；The underground parking, people's row cabin and without be all uniformly provided with electric pipe gallery it is multiple directly Towards the emergency evacuation passage of earth's surface；Also it is lower floor's traffic emergent evacuation in the underground parking of emergency evacuation passage proximate homonymy Cabin, people's row cabin are also upper strata traffic emergent evacuation cabins.

As a kind of perferred technical scheme：The class stepped section concrete shell uses water-proof concrete, uses Assembly flow shop, seam the ring fissure of displacement and longitudinal fissure of displacement are assembled, and seam carries out water-proofing treatment.

As a kind of perferred technical scheme：The antiseepage protective layer can use cement mortar waterproof layer, coil waterproof layer, One or more in coating waterproof layer, drainage systems waterproof layer, bentonite waterproof material waterproofing layer；When using a kind of waterproof During layer material, using two layers and the waterproof layer of the above.

As a kind of perferred technical scheme：The natural gas explosiveproof isolation cabin uses concrete structure, and adds fiber, Fiber can use carbon fiber, steel fibre, glass fibre or polypropylene fibre；The anti-collision wall uses prefabricated assembled assembly.

As a kind of perferred technical scheme：The underground traffic bearing soleplate, pipe gallery bearing soleplate and transverse direction Load-bearing ddividing wall uses assembly concrete component assembly；Beam channel, tee girder, horseshoe ellbeam or box beam can be used, and it is excellent First use lattice beam channel.

As a kind of perferred technical scheme：The lattice beam channel includes web, flange plate, circumferential rib, class rectangle Cavity and trough plate connecting bolt；Two webs form three side sealing with flange plate and close a face hatch frame, and inside configuration is uniformly set Some circumferential ribs are equipped with, circumferential rib top is connected with flange plate；Class rectangle cavity is opened up on circumferential rib, cavity is rectangle, And use arc transition in the corner of rectangle；The adjacent web of two lattice beam channels is carried out vertical using trough plate connecting bolt Connection.

The beneficial effects of the utility model are：（1）One or two layers are arranged as stairstepping under synthesis, make structure stress more Add stabilization, the stairstepping of setting can make soil pressure, concentrated stress etc. reach a more preferable state relative to rectangle etc.；（2） Stairstepping provides a symmetrical reliable fulcrum to overall structure, makes the internal force of endothecium structure significantly reduce；Industrialization splits ten Divide facility, and be easy to produce, be easily installed, be advantageous to promote process of industrialization；（4）Bottom is fully used, and more Safety, contribution is proposed to building sponge city, the discharge for optimizing sewage is collected.（5）Nacelle location arrangements are more reasonable, make underground The function of synthesis is fully used, and has good social benefit.（6）Four layers of underground is while traffic layer is set, both sides Set as people's row cabin, the people can be facilitated to go on a journey, either walking or the vehicles, improve people and go out line efficiency, mitigate ground The pressure of face upper track passerby's row.（7）For F3/B3 while traffic layer is set, both sides are arranged to underground parking, and vehicle can To be directly entered traffic layer by underground parking, convenient trip, the travel time is saved, mitigate road vehicle traveling on ground Pressure.

Brief description of the drawings

Fig. 1 is a kind of schematic cross-sectional view of four layers of class stairstepping Urban Underground Complex；

Fig. 2 is motorized traffic layer bottom plate schematic cross-sectional view；

In figure：1 all-purpose road dedicated bay, 2 station wagon cabins, 3 people's row cabins, 4 underground parkings, 5 sponge city cabins, 6 Telecommunications cabin, 7 combustion gas cabins, 8 electric compartments, 9 without electric pipe gallery cabin, 10 class stepped section concrete shells, 11 antiseepage protective layers, 12 vertical load-bearing ddividing walls, 13 underground traffic bearing soleplates, 13-1 webs, 13-2 flange plates, 13-3 circumferential ribs, 13-4 class rectangles Cavity, 13-5 trough plates connecting bolt, 14 pipe gallery bearing soleplates, 15 natural gas explosiveproof isolation cabins, 16 horizontal load-bearing segmentations Wall, 17 pipe gallery partition walls, 18 anti-collision walls, 19 security isolation walls.

Embodiment

In order to further illustrate the utility model, below in conjunction with the accompanying drawings and embodiment is retouched in detail to the utility model State, but they can not be interpreted as to the restriction to scope of protection of the utility model.

Refer to the attached drawing, a kind of four layers of class stairstepping Urban Underground Complex, including all-purpose road dedicated bay 1, station wagon Cabin 2, people's row cabin 3, underground parking 4, sponge city cabin 5, telecommunications cabin 6, combustion gas cabin 7, electric compartment 8, without electric pipe gallery cabin 9th, class stepped section concrete shell 10, antiseepage protective layer 11, vertical load-bearing ddividing wall 12, underground traffic bearing soleplate 13, Pipe gallery bearing soleplate 14, natural gas explosiveproof isolation cabin 15, horizontal load-bearing ddividing wall 16, pipe gallery partition wall 17, anti-collision wall 18 and security isolation wall 19；The cross section of the class stepped section concrete shell 10 is that class is inverted stairstepping, class ladder Shape section concrete shell 10 is coated with continuous antiseepage protective layer 11；Vertical load-bearing ddividing wall 12 is located at class stepped section At the vertical center line of concrete shell 10, underground traffic load-bearing bottom is from top to bottom respectively equipped with perpendicular to vertical load-bearing ddividing wall 12 Plate 13, horizontal load-bearing ddividing wall 16 and pipe gallery bearing soleplate 14, by class stepped section concrete shell 10 by it is lower extremely On be divided into four layers, the 4th layer and third layer are a ladder, are traffic layer；The second layer and first layer are respectively a ladder；First Sponge city cabin 5 is respectively provided with the both sides of vertical load-bearing ddividing wall 12 in layer；In vertical load-bearing ddividing wall in the second layer 12 or so are set to combustion gas cabin 7 and electric compartment 8, and telecommunications cabin 6 is adjacent with combustion gas cabin 7, and centre is separated with pipe gallery partition wall 17, and extend to the 4th layer；Natural gas explosiveproof isolation cabin 15 is added inside combustion gas cabin 7；Without electric pipe gallery cabin 9 and electric compartment 8 It is adjacent, between be equally separated with pipe gallery partition wall 17, and extend to the 4th layer；The two of vertical load-bearing ddividing wall 12 in third layer Side is respectively provided with a station wagon cabin 2, and vertical load-bearing ddividing wall 12 and horizontal load-bearing ddividing wall 16 crosses in station wagon cabin 2 Place is provided with anti-collision wall 18, and adjacent with station wagon cabin 2 is people's row cabin 3；In the both sides of vertical load-bearing ddividing wall 12 in 4th layer It is respectively provided with an all-purpose road dedicated bay 1, vertical load-bearing ddividing wall 12 and underground traffic bearing soleplate in all-purpose road dedicated bay 1 13 intersection is provided with anti-collision wall 18, and adjacent with all-purpose road dedicated bay 1 is underground parking 4；Adjacent people's row cabin 3 and mixed Security isolation wall 19 is provided between conjunction track dedicated bay 1 and extends to third layer, adjacent underground parking 4 and station wagon cabin Security isolation wall 19 is again provided between 2 and extends to third layer.

A kind of four layers of class stairstepping Urban Underground Complex is made as：Vertical load-bearing ddividing wall 12 and horizontal load-bearing segmentation Whole synthesis is divided into four parts by wall 16, and one or two layers are divided to for the portion of two stairsteppings in left and right by vertical load-bearing ddividing wall 12 Point, three or four layers are divided to for the part of two rectangular shapes in left and right by vertical load-bearing ddividing wall 12；During making, left square is carried out successively respectively Shape, right rectangle, left stairstepping, right step-like making, the often making of part of easy carries out synthesis are simultaneously assembled in one Rise.

As a kind of perferred technical scheme：The sponge city can carry out sewage with waterproof layer is provided with inside cabin 5 Discharge and collection, and can use the storage and release of water, water collected useless when；Sponge city cabin 5 Storm sewer is provided with, can also use nacelle as storm sewer.

As a kind of perferred technical scheme：The vertical load-bearing ddividing wall 12 of the traffic layer uses subsection setup, The vertical load-bearing ddividing wall 12 that can manually dismount is set in the range of 1000m-3000m；The underground parking 4 of the homonymy and people's row Multiple communication passages are provided between cabin 3；Multiple egress doors are opened up on the security isolation wall 19, egress door has fire prevention work( Energy；The sponge city is with cabin 5, electric compartment 8, telecommunications cabin 6, combustion gas cabin 7 and multiple logical without being equipped with electric pipe gallery cabin 9 Toward the escape way in people's row cabin 3 and underground parking 4；The underground parking 4, people's row cabin 3 and without in electric pipe gallery 17 All it is uniformly provided with multiple emergency evacuation passages for leading directly to earth's surface；In the underground parking 4 of emergency evacuation passage proximate homonymy Also it is lower floor's traffic emergent evacuation cabin, people's row cabin 3 is also upper strata traffic emergent evacuation cabin.

As a kind of perferred technical scheme：The class stepped section concrete shell 10 uses water-proof concrete, adopts With assembly flow shop, seam the ring fissure of displacement and longitudinal fissure of displacement are assembled, and seam carries out water-proofing treatment.

As a kind of perferred technical scheme：The antiseepage protective layer 11 can use cement mortar waterproof layer, waterproof coiled material One or more in layer, coating waterproof layer, drainage systems waterproof layer, bentonite waterproof material waterproofing layer；When using a kind of During waterproof layer material, using two layers and the waterproof layer of the above.

As a kind of perferred technical scheme：The natural gas explosiveproof isolation cabin 15 uses concrete structure, and adds fine Dimension, fiber can use carbon fiber, steel fibre, glass fibre or polypropylene fibre；The anti-collision wall 18 uses prefabricated assembled spelling Dress.

As a kind of perferred technical scheme：The underground traffic bearing soleplate 13, pipe gallery bearing soleplate 14 and Horizontal load-bearing ddividing wall 16 uses assembly concrete component assembly；Beam channel, tee girder, horseshoe ellbeam or box beam can be used, And preferentially use lattice beam channel.

As a kind of perferred technical scheme：The lattice beam channel includes web 13-1, flange plate 13-2, circumferential rib 13-3, class rectangle cavity 13-4 and trough plate connecting bolt 13-5；Two web 13-1 and flange plate 13-2 forms three side sealing and closed One face hatch frame, inside configuration are evenly arranged with some circumferential rib 13-3, and circumferential rib 13-3 tops are overall with flange plate 13-2 Connection；Class rectangle cavity 13-4 is opened up on circumferential rib 13-3, cavity is rectangle, and uses arc transition in the corner of rectangle；Two The adjacent web 13-1 of lattice beam channel carries out vertical connection using trough plate connecting bolt 13-5.

It should be noted last that above example only explains the technical solution of the utility model rather than limit to supplement System.Although the utility model is described in detail with reference to embodiment, this area vast is it will be appreciated by the skilled person that to this The technical scheme of utility model is modified or replaced on an equal basis, without departure from the spirit and model of technical solutions of the utility model Enclose, it all should cover among right of the present utility model.

Claims (7)

1. A kind of 1. four layers of class stairstepping Urban Underground Complex, it is characterised in that：Including all-purpose road dedicated bay (1), small-sized visitor Cabin (2), people's row cabin (3), underground parking (4), sponge city cabin (5), telecommunications cabin (6), combustion gas cabin (7), electric compartment (8), without electric pipe gallery cabin (9), class stepped section concrete shell (10), antiseepage protective layer (11), vertical load-bearing segmentation Wall (12), underground traffic bearing soleplate (13), pipe gallery bearing soleplate (14), natural gas explosiveproof isolation cabin (15), transverse direction are held Weight ddividing wall (16), pipe gallery partition wall (17), anti-collision wall（18）And security isolation wall（19）；The class stepped section mixes Stairstepping is inverted in the cross section of solidifying soil cursting body (10) for class, and class stepped section concrete shell (10) is coated with continuous anti- Ooze protective layer（11）；Vertical load-bearing ddividing wall (12) is located at the vertical center line of class stepped section concrete shell (10), hangs down Directly underground traffic bearing soleplate (13), horizontal load-bearing ddividing wall (16) are from top to bottom respectively equipped with vertical load-bearing ddividing wall (12) And pipe gallery bearing soleplate (14), class stepped section concrete shell (10) is divided into four layers, the 4th layer from the bottom to top It is a ladder with third layer, is traffic layer；The second layer and first layer are respectively a ladder；Split in first layer in vertical load-bearing The both sides of wall (12) are respectively provided with sponge city cabin (5)；Set respectively in vertical load-bearing ddividing wall (12) left and right in the second layer For combustion gas cabin (7) and electric compartment (8), telecommunications cabin (6) are adjacent with combustion gas cabin (7), and centre is separated with pipe gallery partition wall (17), And extend to the 4th layer；Combustion gas cabin（7）Inside adds natural gas explosiveproof isolation cabin (15)；Without electric pipe gallery cabin (9) and electric power Cabin (8) is adjacent, between be equally separated with pipe gallery partition wall (17), and extend to the 4th layer；Split in third layer in vertical load-bearing The both sides of wall (12) are respectively provided with a station wagon cabin (2), and vertical load-bearing ddividing wall (12) is with laterally holding in station wagon cabin (2) The intersection of weight ddividing wall (16) is provided with anti-collision wall（18）, adjacent with station wagon cabin (2) is people's row cabin (3)；In 4th layer It is respectively provided with an all-purpose road dedicated bay (1) in the both sides of vertical load-bearing ddividing wall (12), it is vertical in all-purpose road dedicated bay (1) Load-bearing ddividing wall (12) and the intersection of underground traffic bearing soleplate (13) are provided with anti-collision wall（18）, with all-purpose road dedicated bay (1) adjacent is underground parking (4)；Security isolation wall is provided between adjacent people's row cabin (3) and all-purpose road dedicated bay (1) （19）And third layer is extended to, it is again provided with security isolation wall between adjacent underground parking (4) and station wagon cabin (2) （19）And extend to third layer；The vertical load-bearing ddividing wall (12) of the traffic layer uses subsection setup, in 1000m-3000m models Enclose the vertical load-bearing ddividing wall (12) that interior setting can be dismounted manually；Between the underground parking (4) and people's row cabin (3) of the homonymy It is provided with multiple communication passages；Multiple egress doors are opened up on the security isolation wall (19), egress door has fire-proof function；It is described Sponge city cabin (5), electric compartment (8), telecommunications cabin (6), combustion gas cabin (7) and more without being equipped with electric pipe gallery cabin (9) It is individual to lead to people's row cabin (3) and underground parking（4）Escape way；The underground parking (4), people's row cabin (3) and without electricity Pipe gallery（17）Inside all it is uniformly provided with multiple emergency evacuation passages for leading directly to earth's surface；In emergency evacuation passage proximate homonymy Underground parking（4）Also it is lower floor's traffic emergent evacuation cabin, people's row cabin（3）Also it is upper strata traffic emergent evacuation cabin.
2. A kind of 2. four layers of class stairstepping Urban Underground Complex according to claim 1, it is characterised in that：The sponge city City cabin（5）Inside is provided with waterproof layer, can carry out the discharge and collection of sewage, and can use the storage and release of water, Water is collected useless when；Sponge city cabin（5）Storm sewer is provided with, can also use nacelle as rain pipe Road.
3. A kind of 3. four layers of class stairstepping Urban Underground Complex according to claim 1, it is characterised in that：The class ladder Shape section concrete shell (10) uses water-proof concrete, and using assembly flow shop, assembling seam is wrong with the ring fissure of displacement and longitudinal direction Seam, and seam carries out water-proofing treatment.
4. A kind of 4. four layers of class stairstepping Urban Underground Complex according to claim 1, it is characterised in that：The antiseepage is protected Sheath (11) can use cement mortar waterproof layer, coil waterproof layer, coating waterproof layer, drainage systems waterproof layer, bentonite to prevent One or more in water material waterproofing layer；When using a kind of waterproof layer material, using two layers and the waterproof layer of the above.
5. A kind of 5. four layers of class stairstepping Urban Underground Complex according to claim 1, it is characterised in that：The natural gas Explosiveproof isolation cabin (15) uses concrete structure, and adds fiber, and fiber can use carbon fiber, steel fibre, glass fibre or poly- Tacryl；The anti-collision wall (18) uses prefabricated assembled assembly.
6. A kind of 6. four layers of class stairstepping Urban Underground Complex according to claim 1, it is characterised in that：Hand over the underground Logical bearing soleplate (13), pipe gallery bearing soleplate (14) and horizontal load-bearing ddividing wall（16）Using assembly concrete component It is assembled；Beam channel, tee girder, horseshoe ellbeam or box beam can be used, and preferentially uses lattice beam channel.
7. A kind of 7. four layers of class stairstepping Urban Underground Complex according to claim 6, it is characterised in that：The lattice Beam channel includes web (13-1), flange plate (13-2), circumferential rib (13-3), class rectangle cavity (13-4) and trough plate connection Bolt (13-5)；Two webs (13-1) form three side sealing with flange plate (13-2) and close a face hatch frame, and inside configuration is uniformly set It is equipped with some circumferential ribs (13-3), circumferential rib（13-3）Top is connected with flange plate (13-2)；Opened on circumferential rib (13-3) If class rectangle cavity (13-4), cavity are rectangle, and use arc transition in the corner of rectangle；Two lattice beam channels it is adjacent Web (13-1) carries out vertical connection using trough plate connecting bolt (13-5).