WO2017107372A1 - 钢质城市地下综合管廊 - Google Patents

钢质城市地下综合管廊 Download PDF

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Publication number
WO2017107372A1
WO2017107372A1 PCT/CN2016/082938 CN2016082938W WO2017107372A1 WO 2017107372 A1 WO2017107372 A1 WO 2017107372A1 CN 2016082938 W CN2016082938 W CN 2016082938W WO 2017107372 A1 WO2017107372 A1 WO 2017107372A1
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WIPO (PCT)
Prior art keywords
pipe gallery
box
unit
plate
shaped pipe
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PCT/CN2016/082938
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English (en)
French (fr)
Inventor
战福军
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南京联众建设工程技术有限公司
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Publication of WO2017107372A1 publication Critical patent/WO2017107372A1/zh

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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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/12—Geometrical or physical properties corrugated
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1628—Shapes rectangular
    • E02D2200/1642—Shapes rectangular made from multiple elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron
    • E02D2300/0032—Steel; Iron in sheet form, i.e. bent or deformed plate-material

Definitions

  • the invention discloses a pipeline, in particular to a steel city underground integrated pipe gallery.
  • the applicant has been working on the research, application and infrastructure engineering of steel structures and steel-concrete composite structures.
  • the patent number is 2015106007884, “prefabricated assembled steel-concrete composite steel pipe and its manufacturing method”, patent number 201510598743.8 “prefabricated assembled steel-concrete composite pipe and its making method” and patent number 201510600759.8 “steel with spiral reinforcing ring” -
  • the pipe sections in the above patents all have a circular cross-section form. When applied to the urban underground integrated pipe gallery in the form of such a pipe cross section, the following disadvantages exist:
  • the inner bottom of the pipe gallery is curved, not flat, which is not conducive to the installation of pipe racks and pipelines at the bottom. It is not convenient for maintenance personnel and maintenance equipment to pass. It is necessary to build a special platform at the bottom of the pipe gallery.
  • the wall surfaces on both sides of the pipe gallery are also curved. It is necessary to make the matching surface of the bearing pipe frame and the wall into the same curvature arc shape, which increases the difficulty of processing and is not conducive to the pipe rack and pipeline arrangement;
  • the pipe diameter is greater than 3.5 meters and the overrun limit
  • the circular plate is relatively flat, and the arcing degree and arc length are difficult to process and control, and the processing cost is high;
  • Rectangular pipe sections can be easily adapted to different layer height requirements by simply changing the aspect ratio
  • the circular pipe gallery has a low space utilization rate compared to the box-shaped pipe gallery, and the circular pipe gallery only uses the circular pipe.
  • the rectangular clearance space is connected to the corridor. For this reason, the height of the circular pipe gallery is higher than that of the box pipe gallery, and it needs to be buried deeper, which increases the excavation depth and engineering quantity of the foundation.
  • the ordinary circular reinforced concrete pipe gallery, the wedge angle at the bottom of the pipe gallery and the backfill quality on both sides are required.
  • the object of the present invention is to provide a steel city underground integrated pipe gallery which can improve internal net space utilization, good seismic performance and anti-settling performance.
  • a steel urban underground integrated pipe gallery comprises a box-shaped pipe joint assembled by unit plates, and the box-shaped pipe joint is assembled along the axial direction to form a box-shaped pipe gallery; wherein the unit plate
  • the outer and/or inner side of the sheet has a projection, and the projection has an opening at the periphery of the cross section.
  • segment portion between the adjacent protrusions on the unit plate has a curved cross section.
  • the box-shaped tube section is composed of two side unit sheets and upper and lower unit sheets; or two side unit sheets and upper unit sheets.
  • the unit plate is composed of a metal plate, and the metal plate itself is bent to form a protrusion.
  • Another steel city underground integrated pipe gallery comprises a box-shaped pipe joint assembled by unit plates, and the box-shaped pipe joints are assembled along the axial direction to form a box-shaped pipe gallery; wherein the unit plate is composed of The metal plate and the metal profile having the opening are spliced together; or the metal profiles having the openings are spliced side by side.
  • the cross section of the metal plate between adjacent metal profiles is curved.
  • the contact end portions of the adjacent unit plates have a folded edge, and the contact faces of the adjacent folded edges are the splicing joint faces.
  • each unit plate is assembled to form a box-shaped pipe joint
  • adjacent unit plates are connected by a pair of connecting plates, wherein each end of each unit plate is provided with a connecting plate, and each connecting plate is The ends of the unit sheets extend outwardly and the extensions serve as splicing joints.
  • unit plates located at the top of the box-shaped pipe gallery are arched, and tie rods or trusses are arranged between the unit plates on both sides.
  • the box-shaped tube porches are assembled side by side to form a composite pipe gallery having a double plenum or a multi-chamber.
  • the present invention has the following significant advantages: firstly, the steel city underground comprehensive
  • the structure of the box-type pipe gallery of the pipe gallery improves the utilization of the internal clearance and the net width and net height of the clearance compared with the circular-section pipe gallery, and guarantees the same internal clearance space compared with the circular-section pipe gallery. Underneath, the height of the pipe gallery is significantly reduced, which can reduce the depth of foundation excavation and reduce the amount of civil works.
  • the bottom of the pipe gallery is flat and can be used directly as a pass or a passing passage to solve the problem of round-section pipe gallery backfilling.
  • the pipe gallery is semi-flexible structure, good in seismic performance, good in anti-settling performance, absorbs slight deformation, and is not easy to crack; Special connecting members can be used between adjacent unit plates, which is beneficial to improve sealing performance and easy to install.
  • the pipe gallery is a piece-assembled structure with fast construction speed and short construction period.
  • the single-section pipe gallery can be up to 15 ⁇ 25 meters (longer as long as the transport conditions permit).
  • the pipe joints are less seams and easy to seal.
  • Figure 1 (a) is a schematic view showing the outline of a steel city underground integrated pipe gallery of the present invention
  • Figure 1 (b) is a schematic end view of the underground integrated pipe gallery of the steel city of the present invention.
  • FIG. 2(a) is a schematic view showing the outline of a unit plate of the present invention.
  • FIG. 2(b) is a schematic view showing an end face of a unit plate of the present invention.
  • FIG. 3 is a schematic view showing the seam welding of the unit plate of the present invention.
  • 5(a)-5(k) are schematic cross-sectional views of a second type of protrusion of the present invention.
  • 6(a)-6(b) are schematic cross-sectional views showing a third type of projection of the present invention.
  • Figure 7 is a schematic structural view of a unit plate of the present invention.
  • FIG. 8(a)-8(c) are schematic structural views of a connecting plate for assembling adjacent unit sheets according to the present invention.
  • FIGS. 9(a)-9(c) are schematic structural views of a connecting plate of the present invention.
  • FIG. 10 is a schematic structural view of an end surface of a unit plate with a connecting plate according to the present invention.
  • Figure 11 is a schematic structural view of a unit plate with a connecting plate according to the present invention.
  • FIG. 13(a) and 13(b) are schematic cross-sectional views of a box-shaped pipe arch vault according to the present invention.
  • Figure 14 is a cross-sectional view showing the splicing structure of the adjacent box-shaped pipe joint of the present invention.
  • the first steel city underground integrated pipe gallery 100 of the present invention comprises a unit plate piece 101 assembled to form a box type pipe joint 102, and the box type pipe joint 102 can be composed of two side unit plates and upper and lower unit plates. Can be united on both sides The plate and the upper unit plate are formed.
  • the box-shaped pipe joints shown in Fig. 11 are rectangular.
  • the single-section pipe gallery can be as long as 15 to 25 meters, and the length can be longer as long as the transportation conditions permit, so that the entire pipe joint seam is reduced and the sealing property is better;
  • the obtained box-shaped tube segments 102 are assembled in the axial direction to form a box-shaped pipe gallery 100; wherein the unit plates 101 have protrusions 103 on the outer side and/or the inner side, and the protrusions 103 have openings in the cross-section periphery.
  • the pipe gallery has a box structure and has an open cross section of the protrusion, so the pipe gallery has a certain vertical pressure bearing capacity.
  • the bottom of the box-type pipe gallery is a flat surface.
  • the cross-section of the segment between the adjacent protrusions 103 on the unit plate 101 is curved, so that the unit plate has higher torsional rigidity and greater resistance to vertical instability, and can improve welding to a certain extent. Seam quality reduces stress concentration.
  • the protrusions 103 can be individually fastened on the unit plate piece 101; wherein the unit plate piece is formed of a metal plate, and the protrusion 103 can be formed by bending the metal plate itself, and the cross-sectional shape of the bend can be a groove type or an arc. Shape, semicircle, wavy line, etc., as shown in Figures 4(a), 4(b), 4(c), 4(d).
  • Another steel city underground integrated pipe gallery 100 of the present invention comprises a united plate 101 assembled to form a box-shaped pipe joint 102, and the box-shaped pipe joint 102 is assembled in the axial direction to form a box-shaped pipe gallery 100; wherein the unit plate
  • the sheet 101 is formed by splicing a metal plate 105 and a metal profile 106 having an opening as shown in Figs. 5(a)-5(k); or by splicing a metal profile 106 having an opening side by side, the metal profile 106 including a C-shaped steel , channel steel, angle steel, I-beam, H-beam, steel pipe with an open shape, as shown in Figure 6 (a), 6 (b).
  • the above can bend the flat plate to form a plate with a curved shape, a corrugated shape, a groove shape or the like to increase the vertical bearing capacity of the unit plate.
  • the cross section of the metal plate 105 between the adjacent metal profiles 106 is curved, so that the unit plate has higher torsional rigidity and greater resistance to vertical instability, and can improve the weld quality to a certain extent and reduce Stress concentration.
  • each end of the unit plate 101 is provided with a connecting plate 107; and each connecting plate 107 extends outward from the end of the unit plate 101, and the extending portion serves as a splicing connecting surface, for example, a pair of connecting plates
  • the extension portion of 107 is provided with a bolt hole 110, which is connected by bolts, as shown in Fig. 9(a)-9(c), wherein the splicing connection faces shown in Figs.
  • the above connecting plate can be used to level the end position of the unit plate on both sides, which is advantageous for installation and sealing; the connecting plate on the bottom unit plate facilitates the alignment of the unit plates on both sides, and functions as a guiding card slot;
  • the outer side of the pipe gallery is bolted for easy installation; while the contact surface of the adjacent unit plate is sealed, the sealing of the extended portion is added, and the double seal is improved to improve the sealing performance.
  • the unit plate on the top of the box-shaped pipe gallery may be straight; or may be an arch with a certain curvature, so that the principle of the concrete-filled steel tube arch bridge can be utilized to improve the pressure bearing capacity of the top of the pipe gallery, and the arch unit A tie rod 108 or truss 109 is disposed between the bottom ends of the plate to withstand the thrust to the sides of the arched plate, as shown in Figures 13(a) and 13(b).
  • the steel city underground integrated pipe gallery of the present invention may be a single-storage structure, as shown in Figures 12(a) and 12(b), or may be assembled side by side to form a composite pipe gallery having a double-storage chamber or a multi-storage chamber.
  • the structure of the box-shaped pipe gallery of the steel city underground integrated pipe gallery of the present invention improves the utilization of the internal clearance and the net width and the net height of the passage compared with the circular section pipe gallery, and is compared with the circular section pipe gallery.
  • the height of the pipe gallery is significantly reduced, which can reduce the depth of foundation excavation and reduce the amount of civil works; secondly, the bottom of the pipe gallery is straight and can be directly used as a pass or a passing passage.
  • the steel city underground integrated pipe gallery can generally be used for underground shared ditch, municipal shared pipe gallery, underground water collecting pipe, water supply and drainage pipe, pedestrian or vehicle passage, and underground pipeline protection pipe.

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Abstract

一种钢质城市地下管廊，包括由单元板片（101）拼装形成的箱型管节（102），箱型管节（102）沿轴向拼装形成箱型管廊（100）。其中，单元板片（101）的外侧和/或内侧有凸起（103），凸起（103）的横截面周边具有开口。

Description

钢质城市地下综合管廊 技术领域
本发明公开了一种管道，尤其涉及一种钢质城市地下综合管廊。
背景技术
本申请人一直致力于钢结构和钢-混凝土组合式结构的研究、应用及基础设施工程。已申请专利号为2015106007884《预制拼装钢混复合式钢管及其制作方法》、专利号为201510598743.8《预制拼装钢-混凝土组合式管道及其制作方法》及专利号为201510600759.8《带螺旋加强环的钢-混凝土组合结构管道及其制作方法》的发明专利，上述专利中管道截面都为圆形截面形式，当以此种管道截面形式应用于城市地下综合管廊时，存在如下缺点：
①、管廊内部底部是弧形的，不是平的，不利于底部设置管架及管线，不便于维修人员及维修设备的通行，需要在管廊内部底部修筑专用平台；
②、管廊两侧墙面也是弧形的，需要将承重管架与墙壁的贴合面也做成同曲率圆弧状，增加加工制作难度，不利于管架及管线排布设置；
③、对于整体式圆形截面管道，存在运输困难，管径大于3.5米及超限；
④、对于分片式圆弧截面也存在运输不利，由于其板片是弧形结构，在叠层运输时，叠层越高板片运输过程中板片受力叠加越多，容易造成板片不可估计弧度变形，严重时运输到现场无法对接拼装，需返工；
⑤、圆弧板片相对平直板片，其圆弧度、弧长等加工控制难度大，加工成本高；
⑥、矩形管道截面可以通过简单的改变长宽比，以适应不同的层高要求；
⑦、相对圆形截面管道，矩形截面管道施工难度小；
⑧、难弧形单元板片的柔性比平直单元板片大；
⑨、上述发明专利均应用了管土共同受力效应，此原理需要管道与周围土体协同变形来实现，但对于城市地下综合管廊，管道的变形会造成管廊内部管架及管线的变形或破坏，这在城市综合管廊中是绝不允许的；
⑩、更重要的是根据住建部标准《城市综合管廊工程技术规范》2015年标准，圆形管廊相对箱形管廊而言其空间利用率低，圆形管廊只利用到圆形管廊内接矩形的净空空间，也就是这个原因，圆形管廊的高度就要比箱形管廊高，需要埋地更深，增加了基础的开挖深度和工程量。
目前，城市地下综合管廊大部分是由钢筋混凝土制成，其结构形式有现场整体浇筑和预制拼装，截面形状有矩形和圆形，但钢筋砼结构，造价很高，整个工程需要大量使用水泥，不利于环保，钢筋砼结构接缝多，一般每2～5米一个接缝，接缝的密封是个 难题，施工技术要求高，施工周期长。在使用过程中很容易开裂、漏水，维护成本高。其中的矩形管廊，其两侧墙体，除了要承受上部的载荷外，还要承受侧边土层的横向载荷，而顶部的板片直接承受动载荷与静载荷，但因只采用了普通的钢筋砼技术，为了抵抗弯矩及扰曲，增强其承载能力，防止失稳，墙壁需要设置的很厚，费用极高。而普通的圆形钢筋砼管廊，管廊底部楔形角及两侧的回填质量要求高。
因此，亟待解决上述技术难题。
发明内容
发明目的：本发明的目的是提供一种能提高内部净空间利用率、抗震性能好、抗沉降性能好的钢质城市地下综合管廊。
技术方案：本发明所述的一种钢质城市地下综合管廊，包括由单元板片拼装形成箱型管节，该箱型管节沿轴向拼装形成箱型管廊；其中，该单元板片的外侧和/或内侧有凸起，且该凸起的横截面周边具有开口。
其中，单元板片上相邻凸起之间的片段部分横截面为弧形。
优选的，箱型管节由两侧单元板片和上下单元板片构成；或由两侧单元板片和上单元板片构成。
其中，单元板片由金属板构成，该金属板自身弯折形成凸起。
本发明所述的另一种钢质城市地下综合管廊，包括由单元板片拼装形成箱型管节，该箱型管节沿轴向拼装形成箱型管廊；其中，该单元板片由金属板和具有开口的金属型材拼接而成；或者由具有开口的金属型材并排拼接而成。
优选的，相邻所述金属型材之间的金属板的横截面为弧形。
其中，箱型管节沿轴向拼接时，相邻单元板片的接触端部具有折边，且相邻折边的接触面为拼接连接面。
优选的，单元板片拼装形成箱型管节时，相邻单元板片之间通过一对连接板连接，其中，每个单元板片的端部均设有一个连接板，且各连接板从单元板片的端部向外延伸，延伸部分作为拼接连接面。
进一步，位于所述箱型管廊顶部的单元板片为拱形，且其两侧的单元板片之间设拉杆或桁架。
优选的，箱型管廊并列拼装形成具有双仓室或多仓室的复合式管廊。
有益效果：与现有技术相比，本发明具有以下显著优点：首先该钢质城市地下综 合管廊的箱型管廊的结构与圆形截面管廊相比提高了内部净空的利用率和通行净宽与净高，且与圆形截面管廊相比在保证同等内部净空空间的情况下，管廊的高度显著降低，从而可以减少基础开挖深度，减少土建工程量；其次该管廊的底部平直面，可直接作为过人或过车通道，解决了圆形截面管廊回填时最重要也是最困难的底部楔形夹角的回填施工及压实度的问题；再者该管廊为半柔性结构，抗震性能好，抗沉降性能好，可吸收微量变形，而且不易开裂；且相邻单元板片之间可采用特殊的连接构件，有利于提高密封性能且方便安装；最后该管廊为分片拼装式结构，施工速度快、施工工期短，单节管廊可以长达15～25米(只要运输条件许可，可以更长)管廊接缝少，易于密封。
附图说明
图1(a)为本发明钢质城市地下综合管廊的外形示意图；
图1(b)为本发明钢质城市地下综合管廊的端面示意图；
图2(a)为本发明单元板片的外形示意图；
图2(b)为本发明单元板片的端面示意图；
图3为本发明单元板片拼焊示意图；
图4(a)-4(d)为本发明第一类凸起的横截面示意图；
图5(a)-5(k)为本发明第二类凸起的横截面示意图；
图6(a)-6(b)为本发明第三类凸起的横截面示意图；
图7为本发明单元板片的一种结构示意图；
图8(a)-8(c)为本发明相邻单元板片拼装用一种连接板的结构示意图；
图9(a)-9(c)为本发明连接板的结构示意图；
图10为本发明带有连接板的单元板片的端面结构示意图；
图11为本发明带有连接板的单元板片的结构示意图；
图12(a)-12(b)为利用本发明单元板片拼装用另一种连接板的结构示意图；
图13(a)、13(b)为本发明箱型管廊拱顶的横截面示意图；
图14为本发明相邻箱型管节拼接结构的横截面示意图。
具体实施方式
下面结合附图对本发明的技术方案作进一步说明。
本发明的第一种钢质城市地下综合管廊100，包括由单元板片101拼装形成箱型管节102，该箱型管节102可以由两侧单元板片和上下单元板片构成，也可以由两侧单元 板片和上单元板片构成。如图11所示的箱型管节为矩形，同时，单节管廊可以长达15～25米，只要运输条件许可，长度可以更长，这样整个管廊接缝减少，密封性更好；将得到的箱型管节102沿轴向拼装形成箱型管廊100；其中，该单元板片101的外侧和/或内侧有凸起103，且该凸起103的横截面周边具有开口。该管廊为箱型结构，且具有开口式横截面的凸起，因此管廊具有一定的竖向承压能力。同时，箱型管廊的底部为平直面，不需要铺装水平台即可直接作为过人或过车的通道，而且易于修筑管廊基础，最为重要的是它解决了管廊回填时底部楔形夹角的回填施工及压实度的难题。
该单元板片101上相邻凸起103之间的片段部分横截面为弧形，使得单元板片的抗扭刚度更高、抗竖向失稳能力更强，同时可以在一定程度上提高焊缝质量，减少应力集中。
上述凸起103可以单独扣设在单元板片101上；其中，单元板片由金属板构成，凸起103可以由该金属板自身弯折形成，折弯的横截面形状可以是槽型、弧形、半圆形、波浪线形等，如图4(a)、4(b)、4(c)、4(d)所示。
本发明另一种钢质城市地下综合管廊100，包括由单元板片101拼装形成箱型管节102，该箱型管节102沿轴向拼装形成箱型管廊100；其中，该单元板片101由金属板105和具有开口的金属型材106拼接而成，如图5(a)-5(k)所示；或者由具有开口的金属型材106并排拼接而成，金属型材106包括C型钢、槽钢、角钢、工字钢、H型钢、具有开口状的钢管，如图6(a)、6(b)所示。以上可以将平直的板材弯折形成带有弧形、波纹型、槽型等形状的板材可以增加单元板片的竖向承载力。
相邻金属型材106之间的金属板105的横截面为弧形，使得单元板片的抗扭刚度更高、抗竖向失稳能力更强，同时可以在一定程度上提高焊缝质量，减少应力集中。
所述箱型管节102沿轴向拼接时，相邻单元板片101的接触端部弯折形成折边104，相邻折边104的接触面为拼接连接面，例如可采用法兰螺栓连接，如图14所示。当然，也可以将相邻单元板片直接焊接，如图3所示。
上述单元板片101拼装形成箱型管节102时，相邻单元板片101之间通过一对连接板107连接，如图8(a)-8(c)所示。其中，每个单元板片101的端部均设有一个连接板107；且各连接板107从单元板片101的端部向外延伸，延伸部分作为拼接连接面，例如可以将一对连接板107的延伸部分开设螺栓孔110，采用螺栓连接，如图9(a)-9(c)所示，其中，图8(b)和8(c)所示的拼接连接面为水平方向，有利于钻孔，其余图示的拼接连接面 与水平方向呈一定角度，如此可提高管节在施工中的刚度及强度。利用上述连接板可以找平两侧单元板片的端部位置，有利于安装和密封；底部单元板片上的连接板方便了两侧单元板片的找正，起到了导向卡槽的作用；箱型管廊外侧螺栓连接，方便安装；相邻单元板片接触面密封的同时，又增加了延伸部分的密封，双重密封，提高了密封性能。当然，也可以将相邻单元板片的接触端部切成斜角，例如45度，然后焊接等，如8(a)所示。
优选的，箱型管廊顶部的单元板片可以是平直的；也可以为带有一定弧度的拱形，如此可利用钢管混凝土拱桥原理，提高管廊顶部的承压能力，且拱形单元板片的底部两端之间设置拉杆108或桁架109，以承受拱形板产生的向两侧的推力，如图13(a)、13(b)所示，如此。
本发明的钢质城市地下综合管廊可以为单仓结构，如图12(a)、12(b)所示，也可并列拼装形成具有双仓室或多仓室的复合式管廊。
本发明的钢质城市地下综合管廊的箱型管廊的结构与圆形截面管廊相比提高了内部净空的利用率和通行净宽与净高，且与圆形截面管廊相比在保证同等内部净空空间的情况下，管廊的高度显著降低，从而可以减少基础开挖深度，减少土建工程量；其次该管廊的底部平直面，可直接作为过人或过车通道，解决了圆形截面管廊回填时最重要也是最困难的底部楔形夹角的回填施工及压实度的问题；再者该管廊为半柔性结构，抗震性能好，抗沉降性能好，可吸收微量变形，而且不易开裂；且相邻单元板片之间可采用特殊的连接构件，有利于提高密封性能且方便安装。该钢质城市地下综合管廊一般可运用于地下共用沟、市政共用管廊、地下集水管、给排水管、人行或车行通道、地下管线的保护用管。

Claims (10)

  1. 一种钢质城市地下综合管廊，其特征在于：包括由单元板片(101)拼装形成箱型管节(102)，该箱型管节(102)沿轴向拼装形成箱型管廊(100)；其中，该单元板片(101)的外侧和/或内侧有凸起(103)，且该凸起(103)的横截面周边具有开口。
  2. 根据权利要求1所述的钢质城市地下综合管廊，其特征在于：所述单元板片(101)上相邻凸起(103)之间的片段部分横截面为弧形。
  3. 根据权利要求1所述的钢质城市地下综合管廊，其特征在于：所述箱型管节(102)由两侧单元板片和上下单元板片构成；或由两侧单元板片和上单元板片构成。
  4. 根据权利要求1所述的钢质城市地下综合管廊，其特征在于：所述单元板片由金属板构成，该金属板自身弯折形成凸起(103)。
  5. 一种钢质城市地下综合管廊，其特征在于：包括由单元板片(101)拼装形成箱型管节(102)，该箱型管节(102)沿轴向拼装形成箱型管廊(100)；其中，该单元板片(101)由金属板(105)和具有开口的金属型材(106)拼接而成；或者由具有开口的金属型材(106)并排拼接而成。
  6. 根据权利要求5所述的钢质城市地下综合管廊，其特征在于：相邻所述金属型材(106)之间的金属板(105)的横截面为弧形。
  7. 根据权利要求1、3或5所述的钢质城市地下综合管廊，其特征在于：所述箱型管节(102)沿轴向拼接时，相邻单元板片(101)的接触端部具有折边(104)，且相邻折边的接触面为拼接连接面。
  8. 根据权利要求1或5所述的钢质城市地下综合管廊，其特征在于：所述单元板片(101)拼装形成箱型管节(102)时，相邻单元板片(101)之间通过一对连接板(107)连接，其中，每个单元板片(101)的端部均设有一个连接板(107)，且各连接板(107)从单元板片(101)的端部向外延伸，延伸部分作为拼接连接面。
  9. 根据权利要求1或5所述的钢质城市地下综合管廊，其特征在于：位于所述箱型管廊(100)顶部的单元板片(101)为拱形，且拱形单元板片的底部两端之间设置拉杆(108)或桁架(109)。
  10. 根据权利要求1或5所述的钢质城市地下综合管廊，其特征在于：所述箱型管廊(100)并列拼装形成具有双仓室或多仓室的复合式管廊。
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