WO2017107371A1 - 组合式箱型管廊 - Google Patents

组合式箱型管廊 Download PDF

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Publication number
WO2017107371A1
WO2017107371A1 PCT/CN2016/082937 CN2016082937W WO2017107371A1 WO 2017107371 A1 WO2017107371 A1 WO 2017107371A1 CN 2016082937 W CN2016082937 W CN 2016082937W WO 2017107371 A1 WO2017107371 A1 WO 2017107371A1
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WO
WIPO (PCT)
Prior art keywords
box
plate
hollow cavity
pipe gallery
unit
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Application number
PCT/CN2016/082937
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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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Application filed by 南京联众建设工程技术有限公司 filed Critical 南京联众建设工程技术有限公司
Publication of WO2017107371A1 publication Critical patent/WO2017107371A1/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
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron

Definitions

  • the invention discloses a steel pipe, in particular to a combined box type pipe gallery, which is used for an urban underground integrated pipe gallery, and can also be used for culverts and tunnels.
  • the applicant has been working on the research, application and infrastructure engineering of steel structures and steel-concrete composite structures, and has applied for a number of patents.
  • the patents that have been applied include: 1.
  • the name is “prefabricated assembled steel-mixed composite steel pipe and its name”
  • the production method the invention patent of the application number 201510600788.4; 3, the name is "prefabricated assembled steel-concrete composite pipe and its production method", the invention patent of application number 201510598743.8 and the like.
  • the cross-sections of the pipes are all circular cross-sections.
  • the inner bottom of the pipe gallery is curved rather than straight, not Facilitate the passage of maintenance personnel and maintenance equipment, and build a special platform at the bottom of the interior of the pipe gallery.
  • the wall surfaces on both sides of the pipe gallery are also curved structures, which is not conducive to the arrangement of pipe racks and pipelines.
  • 3 For integral circular section pipes, there are transportation difficulties, and the pipe diameter will exceed the limit of 3.5 meters. 4
  • For the segmented arc section there is also a case of unfavorable transportation.
  • the plate Since the plate is a curved structure, the higher the lamination during the lamination transportation, the more the plate is superimposed during the transportation of the plate, which is easy to cause the plate. The curvature of the piece is deformed. If it is transported to the site in serious cases, it cannot be docked and assembled, and it needs to be reworked. 5 arc plate is relatively straight plate, its arc degree, arc length and other processing control is difficult, and the processing cost is high. The internal clearance of the 6 circular pipe gallery is low, the overall height is high, and the buried depth is required to be deep, which increases the foundation excavation depth and engineering quantity.
  • a combined box-type pipe gallery according to the present invention comprises: assembling a box-shaped pipe joint by unit plates, and assembling the box-shaped pipe joints in an axial direction to form a box-shaped pipe gallery; wherein, the unit plate
  • the outer and/or inner side has a hollow cavity structure that is closed at the periphery of the cross section.
  • the cross-section of the segment between the adjacent hollow cavity structures on the unit plate is curved.
  • the box-shaped pipe joint is composed of two side unit plates and upper and lower unit plates; or two side unit plates and upper unit plates.
  • the unit plate is composed of a metal plate, and the metal plate is bent to form a hollow cavity structure; or the metal plate is bent to form a convex shape, and the plate or tube is combined with the protrusion to form a hollow cavity structure.
  • the hollow cavity structures on the adjacent unit plates are connected end to end.
  • the contact ends of the adjacent unit plates have a folded or hollow cavity structure, and the contact faces of the adjacent flanges or hollow cavity structures are the splicing connection faces.
  • Another combined box-type pipe gallery comprises a box-shaped pipe joint assembled by unit plates, and the box-shaped pipe joints are assembled axially to form a box-shaped pipe gallery; wherein the unit plate is made of metal The plate and the metal pipe are spliced together; or the metal pipes are spliced side by side, and the cross section thereof is a continuous ring structure; or the corrugated plates are mutually interlocked to form a unit plate piece with a hollow cavity structure; or C-shaped steel and channel steel The I-beam, the curved steel, the angle steel or the corrugated plate are fastened with the flat plate to form a unit plate piece with a hollow cavity structure.
  • the metal plate or the flat plate between the adjacent metal pipes or the hollow cavity structures has a curved cross section.
  • the contact ends of the adjacent unit plates have a metal pipe or a hollow cavity structure, and the contact faces of the adjacent metal pipes or the hollow cavity structures are the splicing connection faces.
  • the metal pipe or the hollow cavity structure is filled with concrete; or the steel pipe or the hollow cavity structure is provided with steel bars and filled with concrete.
  • each unit plate When the unit plates are 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 connected to the unit
  • the ends of the sheets extend outwardly and the extensions serve as splicing joints.
  • the unit plate at the top of the box-shaped pipe gallery is arched, and a tie rod or a truss is disposed between the two ends of the bottom of the arch unit plate.
  • the box-type pipe 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: the pipe gallery is a box-shaped structure having a hollow cavity structure, which has improved torsional rigidity and resistance to vertical instability; the bottom and both sides are Straight surface for easy access or wiring/pipeline; internal net space utilization and net width and net height of box-type pipe gallery can be improved; special connecting members can be used between adjacent unit plates, which is beneficial to improve sealing performance and Convenient installation; concealed connection structure between adjacent box-type pipe joints, no additional occupation of pipe space, practical and beautiful; pipe gallery assembled by unit plates, unit plate section is straight and without curvature It is convenient for transportation and construction.
  • FIG. 1(a)-1(r) are schematic cross-sectional views showing a first type of hollow cavity structure of the present invention
  • FIGS. 2(a)-2(e) are schematic cross-sectional views showing a second type of hollow cavity structure of the present invention.
  • 3(a), 3(b) and 3(c) are schematic cross-sectional views showing a third type of hollow cavity structure of the present invention.
  • FIGS. 4(a)-4(e) are schematic cross-sectional views showing a fourth type of hollow cavity structure of the present invention.
  • Figure 5 is a schematic structural view of a unit plate of the present invention.
  • FIGS. 6(a)-6(d) are schematic structural views of a connecting plate for assembling adjacent unit sheets according to the present invention.
  • FIG. 7(a)-7(e) are schematic cross-sectional views showing the formation of a box-shaped pipe joint by using the unit sheet of the present invention.
  • FIGS. 8(a)-8(c) are schematic cross-sectional views showing a splicing structure of an adjacent box-shaped pipe joint according to the present invention.
  • Figure 9 is a schematic structural view of a box type pipe gallery of the present invention.
  • Figure 10 is a flow chart showing the concrete pouring of the box type pipe gallery of the present invention.
  • Figure 11 is a cross-sectional view showing a single-slot box type pipe gallery of the present invention.
  • 12(a) and 12(b) are schematic cross-sectional views showing a double-storage and multi-storage box-type pipe gallery according to the present invention
  • Figures 13(a) and 13(b) are schematic cross-sectional views of a box-shaped pipe arch vault of the present invention.
  • the first combined box-type pipe gallery 100 of the present invention comprises a box-shaped tube section 102 assembled by unit sheets 101.
  • the box-type tube sections 102 can be composed of two-side unit sheets and upper and lower unit sheets. It can also be composed of the side unit plate and the upper unit plate.
  • the box type pipe joint shown in Fig. 9 has a rectangular structure, and the length of the single tube joint can reach 15-20 meters, as long as the transportation conditions permit.
  • the length can be longer, so that the entire pipe joint seam is reduced, and the sealing property is better; the obtained box pipe joint 102 is axially assembled to form the box type pipe gallery 100; wherein the outer side and/or the inner side of the unit plate piece 101
  • the cavity has a certain length, and both ends may be penetrated or closed at one end and open at one end.
  • the hollow cavity structure of the closed cross section has higher torsional rigidity and greater resistance to vertical instability than the hollow cavity structure of the open cross section, and the pipe gallery is a box structure, therefore, the pipe gallery
  • the vertical pressure capacity has been further strengthened.
  • the bottom of the box-type pipe gallery is a flat surface.
  • the cross-section of the segment between the adjacent hollow cavity structures 110 on the unit plate 101 is curved, so that the unit plate has higher torsional rigidity and greater resistance to vertical instability, and can be to some extent Improve weld quality and reduce stress concentration.
  • the hollow cavity structure 110 can be individually fastened on the cell sheet 101 as shown in FIGS. 1(a), 1(b), 1(o)-1(r).
  • the unit plate piece is formed by a metal plate, and the hollow cavity structure 110 can be formed by bending the metal plate itself, and the bent cross-sectional shape can be rectangular, circular, etc., and the hollow cavity structure 110 and the unit plate 101 are The gap weld formed between them is shown in Figures 1(c), 1(d), and 1(e).
  • the shape of the protrusion 103 may also be formed by bending the metal plate 106, and the plate or tube is combined with the protrusion 103 to form a hollow cavity structure 110, as shown in Fig. 1(f)-1(n), wherein the bending is formed.
  • the shape of the cavity may be a groove shape, an arc shape, a semicircular shape, etc., and the plate used may be a steel plate, a channel steel, a C-shaped steel, a curved steel plate or the like.
  • FIG. 5 is a schematic structural view of a unit plate of the present invention.
  • the hollow cavity structure 110 may be filled with concrete 105.
  • the hollow cavity structure 110 on the unit plate may be first filled with concrete 105 and then assembled; or
  • the hollow cavity structures on the adjacent unit plates are connected end to end to form a continuous hollow cavity structure, and the pipe joints are assembled to form an integral infusion.
  • the second filling mode is shown in FIG. 10, and concrete pouring holes 114 are respectively opened at the top of the pipe joints.
  • concrete overflow hole 115 wherein, reinforcing steel can be added to the hollow cavity structure 110 while filling the concrete.
  • the invention utilizes the superior pressure bearing capacity of the concrete and/or the steel bar and the surrounding effect of the steel pipe on the concrete, can delay the generation and expansion of the concrete crack inside the hollow cavity structure to the greatest extent, and further enhance the vertical bearing capacity of the pipe gallery.
  • the contact end portions of the adjacent unit plate pieces 101 are bent to form a folded edge 104, which can be folded to the inner side or the outer side of the box-shaped pipe joint, and the folded edge 104 is folded
  • the contact surface of the adjacent hem 104 is a splicing joint surface, for example, flange bolt connection can be used, as shown in Fig. 8(b) Shown.
  • the contact end of the adjacent unit plate has a hollow cavity structure 110, which can be formed by bending the unit plate or separately welded on the unit plate, and the contact surface of the adjacent hollow cavity structure 110 is spliced.
  • the connecting surface may, for example, be provided with a bolt hole on the contact surface, and a bolt operating hole 116 is formed on the other surface of the hollow cavity structure 110 adjacent to the bolt hole, and the tool is inserted from the bolt operating hole 116 into the hollow cavity structure 110.
  • connection bolt For tightening the bolt, after the bolt is tightened, the tool is retracted, and then the bolt operation hole 116 is closed by the hole cover 117, so as to prevent the concrete from overflowing through the bolt operation hole 116 when the concrete is poured into the hollow cavity structure, so that the connection bolt is not It is exposed in the pipe gallery and does not take up space and affects the appearance. Therefore, it is called a concealed connection, as shown in Figure 8(c).
  • the second combined box-type pipe gallery 100 of the present invention comprises a box-shaped tube section 102 assembled by unit sheets 101, and the box-shaped tube sections 102 are assembled in the axial direction to form a box-type pipe gallery 100; wherein the unit-plate piece 101 is formed by splicing a metal plate 106 and a metal tube 107.
  • corrugated plates 108 are interlocked to each other to form a unit plate with a hollow cavity structure 110, as shown in Fig. 4(a); or by C-shaped steel, channel steel, I-beam, curved steel, angle steel or corrugated plate 108 is fastened to the flat plate 109 to form a unit plate having a hollow cavity structure 110, as shown in Fig. 4(b).
  • the above bending of the flat plate to form a plate having a shape of a curved shape, a corrugated shape, a groove shape or the like can increase the vertical bearing capacity of the unit plate.
  • the cross section of the metal plate 106 or the flat plate 109 between the adjacent metal pipe 107 or the hollow cavity structure 110 is curved, so that the unit plate has higher torsional rigidity and greater resistance to vertical instability, and can be Improve weld quality to a certain extent and reduce stress concentration.
  • the contact ends of the adjacent unit-plates 101 have a metal tube 107 or a hollow cavity structure 110, and the contact faces of the adjacent metal tubes 107 or the hollow cavity structures 110 are spliced.
  • the connecting surface for example, can be provided with a bolt hole on the contact surface, and then the hidden connection method described above is adopted. The same, as needed
  • the metal pipe 107 or the hollow cavity structure 110 is filled with concrete 105, and reinforcing steel may be added to the metal pipe 107 or the hollow cavity structure 110 while filling the concrete.
  • each unit plate 101 is provided with a connecting plate 111, for example, may be welded, and the connecting plate 111 is provided with a concrete flow hole 118, so that the hollow cavity structure of the adjacent unit plates is connected end to end.
  • Each of the connecting plates 111 extends outward from the end of the unit plate 101, and the extending portion serves as a splicing connecting surface.
  • the extending portion of the pair of connecting plates 111 can be opened with a bolt hole 119, which is connected by bolts.
  • 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 pull rod 112 or a truss 113 is disposed between the bottom ends of the plate to bear the thrust to the sides of the arch plate, as shown in Figures 7(c), 13(a), and 13(b).
  • the box-shaped pipe gallery of the present invention may be a single-storage structure, as shown in FIG. 9 and FIG. 11, or may be assembled side by side to form a composite pipe gallery having a double-storage chamber or a multi-storage chamber, as shown in FIGS. 12(a) and 12( b) shown.
  • the box-shaped pipe gallery of the invention has a semi-flexible structure, good seismic performance, strong anti-settling ability, can absorb slight deformation, and is not easy to crack; after pouring concrete, its bearing capacity is much larger than that of a general reinforced concrete wall, and a certain strength is ensured. Under the premise, the thickness is reduced, which greatly saves costs.
  • the box-type pipe gallery makes it easy to adjust the aspect ratio to suit different floor height requirements. Compared with the circular cross-section pipe gallery, the split-type assembled plates of the box-type pipe gallery are easy to stack and transport, and the construction difficulty is small; and the internal net space utilization rate is increased, the height of the pipe gallery is lowered, the buried depth, the foundation excavation depth and the engineering The amount is also reduced.

Abstract

一种组合式箱型管廊，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），单元板片（101）的外侧和/或内侧有横截面周边闭合的空心腔体结构（110）。

Description

组合式箱型管廊 技术领域
本发明公开了一种钢管，尤其涉及一种组合式箱型管廊，用于城市地下综合管廊，还可以用于涵洞及隧道等。
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，并申请了多项专利。目前已申请的专利有：1、名称“带螺旋加强环的钢-混凝土组合结构管道及其制作方法”、申请号为201510600759.8的发明专利；2、名称为“预制拼装钢混复合式钢管及其制作方法”、申请号为201510600788.4的发明专利；3、名称为“预制拼装钢-混凝土组合式管道及其制作方法”、申请号为201510598743.8的发明专利等。
但是，上述专利申请中管道的截面均为圆形截面形式，将以此种管道应用于城市地下综合管廊时，存在如下缺点：①管廊内部底部为弧形而非平直的结构，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结构，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米时就会超限。④对于分片式圆弧截面也存在运输不利的情形，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，容易造成板片的弧度变形，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圆形管廊的内部净空间利用率较低，整体高度较高，需要埋地很深，增加了基础的开挖深度和工程量。
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、抗扭刚度高、抗竖向失稳能力强的组合式箱型管廊。
技术方案：本发明所述一种组合式箱型管廊，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/或内侧有横截面周边闭合的空心腔体结构。
其中，单元板片上相邻空心腔体结构之间的片段部分横截面为弧形。
所述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。
所述单元板片由金属板构成，该金属板自身弯折形成空心腔体结构；或金属板弯折形成凸起形状，用板材或管材与该凸起组合形成空心腔体结构。
其中，相邻的所述单元板片上的空心腔体结构首尾相接。
所述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或空心腔体结构，且相邻折边或空心腔体结构的接触面为拼接连接面。
在所述空心腔体结构内填充混凝土；或在所述空心腔体结构内设置钢筋并填充混凝土。
本发明所述的另一种组合式箱型管廊，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金属管拼接而成；或者由金属管并排拼接而成，其横截面为连环结构；或者由波纹板相互扣合形成带有空心腔体结构的单元板片；或者由C型钢、槽钢、工字钢、弧形钢、角钢或波纹板与平板扣合形成带有空心腔体结构的单元板片。
其中，相邻所述金属管或空心腔体结构之间的金属板或平板的横截面为弧形。
所述箱型管节沿轴向拼接时，相邻单元板片的接触端部具有金属管或空心腔体结构，且相邻金属管或空心腔体结构的接触面为拼接连接面。
所述金属管或空心腔体结构内填充混凝土；或在所述金属管或空心腔体结构内设置钢筋并填充混凝土。
所述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。
其中，位于所述箱型管廊顶部的单元板片为拱形，且拱形单元板片的底部两端之间设置拉杆或桁架。
所述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：该管廊为具有空心腔体结构的箱型结构，提高了抗扭刚度和抗竖向失稳能力；其底部和两侧面为平直面，便于通行或布线/管道；箱型管廊的内部净空间利用率及通行净宽与净高得以提高；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；相邻箱型管节之间可采用隐藏式的连接结构，不额外占用管廊空间，实用美观等；管廊由单元板片拼装而成，单元板片的截面平直而没有弧度，便于运输和施工等。
附图说明
图1(a)-1(r)为本发明第一类空心腔体结构的横截面示意图；
图2(a)-2(e)为本发明第二类空心腔体结构的横截面示意图；
图3(a)、3(b)和3(c)为本发明第三类空心腔体结构的横截面示意图；
图4(a)-4(e)为本发明第四类空心腔体结构的横截面示意图；
图5为本发明单元板片的一种结构示意图；
图6(a)-6(d)为本发明相邻单元板片拼装用连接板的结构示意图；
图7(a)-7(e)为利用本发明单元板片拼装形成箱型管节的横截面示意图；
图8(a)-8(c)为本发明相邻箱型管节拼接结构的横截面示意图；
图9为本发明箱型管廊的结构示意图；
图10为本发明箱型管廊混凝土灌注的流通示意图；
图11为本发明单仓箱型管廊的横截面示意图；
图12(a)、12(b)分别为本发明双仓、多仓箱型管廊的横截面示意图；
图13(a)、13(b)为本发明箱型管廊拱顶的横截面示意图。
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。
本发明的第一种组合式箱型管廊100，包括由单元板片101拼装形成箱型管节102，优选的，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9所示的箱型管节为矩形结构，同时，单节管节的长度可达15-20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/或内侧有横截面周边闭合的空心腔体结构110。优选的，腔体具有一定的长度，两端可以贯通或一端封闭、一端开口。该闭合式横截面的空心腔体结构较之开口式横截面的空心腔体结构，抗扭刚度更高、抗竖向失稳能力更强，加之管廊为箱型结构，因此，管廊的竖向承压能力得以进一步加强。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圆形截面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上相邻空心腔体结构110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。
上述空心腔体结构110可以单独扣设在单元板片101上，如图1(a)、1(b)、1(o)-1(r)所示。其中单元板片由金属板构成，空心腔体结构110可以由该金属板自身弯折形成，弯折的横截面形状可以为矩形、圆形等，并将空心腔体结构110与单元板片101之间形成的缝隙焊接，如图1(c)、1(d)、1(e)所示。也可以由金属板106弯折形成凸起103形状，用板材或管材与该凸起103组合形成空心腔体结构110，如图1(f)-1(n)所示，其中，弯折形成的腔体形状可以为槽型、弧形、半圆形等，所用板材可以为钢板、槽钢、C型钢、弧形钢板等。
图5为本发明单元板片的一种结构示意图，可向空心腔体结构110内填充混凝土105，填充时可先对单元板片上的空心腔体结构110灌注混凝土105，然后再拼装；或者将相邻单元板片上的空心腔体结构首尾相接，以形成连续的空心腔体结构，拼装形成管节再整体灌注，第二种灌注方式见图10，相应在管节顶部开设混凝土灌注孔114和混凝土溢出孔115。其中，在填充混凝土的同时可以在空心腔体结构110内增设钢筋。本发明利用了混凝土和/或钢筋优越的承压能力和钢管对混凝土的包围作用，可以最大程度地延缓空心腔体结构内部混凝土裂缝的产生和扩展，进一步增强管廊的竖向承压能力。
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，该折边可以折向箱型管节的内侧或外侧，当折边104折向箱型管节的外侧时，可减少管廊内车辆等与壁面的碰撞或剐蹭，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8(b)所示。或者相邻单元板片的接触端部具有空心腔体结构110，该空心腔体结构110可由单元板片弯折形成或在单元板片上单独焊接，相邻空心腔体结构110的接触面为拼接连接面，例如可在该接触面上开设螺栓孔，并在靠近该螺栓孔的空心腔体结构110另一表面开设螺栓操作孔116，将工具从螺栓操作孔116伸入空心腔体结构110内用于紧固螺栓，螺栓拧紧后，收回工具，再用孔盖117封堵螺栓操作孔116，以防后续向空心腔体结构内灌注混凝土时，混凝土经螺栓操作孔116溢出，如此连接螺栓不再裸露在管廊内，不会占用空间，影响美观，因此将其称作隐藏式连接，如图8(c)所示。当然，也可以将相邻单元板片的接触端部直接焊接，如图8(a)所示。
本发明第二种组合式箱型管廊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106和金属管107拼接而成，
如图2(a)-2(e)所示；或者由金属管107并排拼接而成，其横截面为连环结构，如图3(a)、3(b)、3(c)所示；或者由波纹板108互相扣合形成带有空心腔体结构110的单元板片，如图4(a)所示；或者由C型钢、槽钢、工字钢、弧形钢、角钢或波纹板108与平板109扣合形成带有空心腔体结构110的单元板片，如图4(b)所示。以上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。
相邻金属管107或空心腔体结构110之间的金属板106或平板109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。
上述箱型管节102沿轴向拼接时，相邻单元板片101的接触端部具有金属管107或空心腔体结构110，且相邻金属管107或空心腔体结构110的接触面为拼接连接面，例如可在该接触面上开设螺栓孔，然后采用上述的隐藏式连接方式。同样的，可根据需要 在金属管107或空心腔体结构110内填充混凝土105，且在填充混凝土的同时还可在金属管107或空心腔体结构110内增设钢筋。
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111连接，如图6(a)-6(d)所示。其中，每个单元板片101的端部均设有一个连接板111，例如可以为焊接，连接板111上设有混凝土流动孔118，以便相邻单元板片上首尾相接的空心腔体结构之间灌注混凝土；且各连接板111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111的延伸部分开设螺栓孔119，采用螺栓连接，如图7(a)-7(e)所示，其中，图7(d)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。
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拉杆112或桁架113，以承受拱形板产生的向两侧的推力，如图7(c)、13(a)、13(b)所示。
本发明的箱型管廊可以为单仓结构，如图9、图11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，如图12(a)、12(b)所示。
本发明的箱型管廊为半柔性结构，抗震性能好，抗沉降能力强，可吸收微量变形，且不易开裂；浇注混凝土后，其承载能力远大于一般的钢筋混凝土墙，在保证一定强度的前提下厚度减薄，大大节约成本。箱型管廊很容易实现长宽比的调整，以适应不同的层高要求。相对圆形截面管廊，箱型管廊的分片式拼装板片容易叠放运输、施工难度小；且内部净空间利用率提高，管廊高度降低，埋地深度、基础开挖深度及工程量也得以减少。

Claims (14)

  1. 一种组合式箱型管廊，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/或内侧有横截面周边闭合的空心腔体结构(110)。
  2. 根据权利要求1所述组合式箱型管廊，其特征在于：所述单元板片(101)上相邻空心腔体结构(110)之间的片段部分横截面为弧形。
  3. 根据权利要求1所述的组合式箱型管廊，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所述的组合式箱型管廊，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空心腔体结构(110)；或金属板(106)弯折形成凸起(103)形状，用板材或管材与该凸起(103)组合形成空心腔体结构(110)。
  5. 根据权利要求1所述的组合式箱型管廊，其特征在于：相邻的所述单元板片(101)上的空心腔体结构(110)首尾相接。
  6. 根据权利要求1或3所述的组合式箱型管廊，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)或空心腔体结构(110)，且相邻折边或空心腔体结构的接触面为拼接连接面。
  7. 根据权利要求1、4或5所述的组合式箱型管廊，其特征在于：在所述空心腔体结构(110)内填充混凝土(105)；或在所述空心腔体结构(110)内设置钢筋并填充混凝土(105)。
  8. 一种组合式箱型管廊，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(106)和金属管(107)拼接而成；或者由金属管(107)并排拼接而成，其横截面为连环结构；或者由波纹板(108)相互扣合形成带有空心腔体结构(110)的单元板片；或者由C型钢、槽钢、工字钢、弧形钢、角钢或波纹板与平板(109)扣合形成带有空心腔体结构(110)的单元板片。
  9. 根据权利要求8所述组合式箱型管廊，其特征在于：相邻所述金属管(107)或空心腔体结构(110)之间的金属板(106)或平板(109)的横截面为弧形。
  10. 根据权利要求8所述的组合式箱型管廊，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)的接触端部具有金属管(107)或空心腔体结构(110)，且相邻金属管(107)或空心腔体结构(110)的接触面为拼接连接面。
  11. 根据权利要求8所述的组合式箱型管廊，其特征在于：所述金属管(107)或空心腔体结构(110)内填充混凝土(105)；或在所述金属管(107)或空心腔体结构(110)内设置钢筋并填充混凝土(105)。
  12. 根据权利要求1或8所述的组合式箱型管廊，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(111)连接，其中，每个单元板片(101)的端部均设有一个连接板(111)，且各连接板(111)从单元板片(101)的端部向外延伸，延伸部分作为拼接连接面。
  13. 根据权利要求1或8所述的组合式箱型管廊，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(112)或桁架(113)。
  14. 根据权利要求1或8所述的组合式箱型管廊，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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