WO2017071110A1 - 装配式地下管廊 - Google Patents

装配式地下管廊 Download PDF

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Publication number
WO2017071110A1
WO2017071110A1 PCT/CN2016/000490 CN2016000490W WO2017071110A1 WO 2017071110 A1 WO2017071110 A1 WO 2017071110A1 CN 2016000490 W CN2016000490 W CN 2016000490W WO 2017071110 A1 WO2017071110 A1 WO 2017071110A1
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WO
WIPO (PCT)
Prior art keywords
pipe gallery
preforms
underground pipe
sleeve
connecting sleeve
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PCT/CN2016/000490
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English (en)
French (fr)
Inventor
周兆弟
Original Assignee
周兆弟
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Application filed by 周兆弟 filed Critical 周兆弟
Publication of WO2017071110A1 publication Critical patent/WO2017071110A1/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
    • E02D29/045—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
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements

Definitions

  • the invention belongs to the technical field of construction and relates to a fabricated underground pipe gallery.
  • the underground pipe gallery also known as the common ditch, is a municipal public facility that implements unified planning, design, construction, and maintenance, and is built underground in the city for laying municipal public pipelines. It refers to a public tunnel used for centralized laying of municipal, pipelines such as electricity, communications, radio and television, water supply, drainage, heat, and gas in underground cities.
  • the State Council attaches great importance to the promotion of the construction of urban underground integrated pipe corridors. Since 2013, it has issued the “Opinions of the State Council on Strengthening Urban Infrastructure Construction” and the “Guiding Opinions of the General Office of the State Council on Strengthening the Management of Urban Underground Pipelines”. Pilot work on the construction of the pipe gallery.
  • the Chinese patent document discloses an integrated underground pipe gallery with a compensating device [Application No.: 201410559745.1], comprising a plurality of pipe joint sealing strips and a plurality of pipe joint units connected end to end, the pipe joint sealing strips being arranged adjacent to each other
  • the pipe joint unit includes a pipe joint and a plurality of pipes arranged in parallel, and the pipe is disposed on a bottom surface of the pipe joint through a fixing seat, and the pipe joints are respectively provided at both ends of the pipe joint a pipe joint telescopic connecting pipe having a shape of a pipe joint, wherein the pipe ends are respectively provided with a pipe expansion joint pipe, and the pipe joint expansion pipe is provided with a flange one end away from the pipe joint, the pipe A flange 2 is disposed at one end of the telescopic connecting pipe away from the pipe.
  • the prefabricated pipe joint has large bearing capacity and good compression resistance.
  • the preformed pipe joint has a large weight and a large body shape, and is inconvenient to transport. When installing, a lifting device with a large load is required, and the construction cost is high.
  • the object of the present invention is to provide an assembly which is convenient for transportation and installation and can improve construction efficiency in view of the above problems.
  • a fabricated underground pipe gallery comprising a hollow pipe gallery body, the pipe gallery body comprising at least two interconnected preforms, the preforms being mutually After joining, a circumferentially closed tubular body is formed.
  • a plurality of prefabricated parts are fixed in the pipe body, and the prefabricated parts divide the inside of the pipe gallery body into a plurality of mutually independent working rooms.
  • each two adjacent preforms are connected to each other by a connecting member.
  • the inside of the pipe gallery body is provided with a plurality of partitions in a horizontal direction.
  • the connecting member includes a connecting sleeve connected to one of the preforms and a connecting head connected to the other of the preforms, and the connecting sleeve and the connecting head are adapted to each other and A fixed connection can be formed, and when the connection sleeve and the connector are fixedly connected, two adjacent preforms are fixedly connected.
  • the connecting sleeve and the connecting head are respectively connected to two adjacent preforms, and the connecting sleeve is connected inside one of the preforms, and the connecting head protrudes On the outside of the other prefabricated part, the connector is mated with the connecting sleeve.
  • the connecting sleeve and the connecting head are respectively connected to two adjacent preforms, and the connecting sleeve and the connecting head respectively protrude outside the preform, and the connecting sleeve and the connecting body are respectively connected.
  • the head screw is mated.
  • a plurality of connecting ribs are fixed inside the preform, and the connecting sleeve and the connecting head are respectively fixedly connected with the connecting ribs, and the connecting ribs arranged in the horizontal direction are close to the pipe porch
  • One end of the outer wall of the outer body is provided with an outer joint mechanism capable of fixedly connecting with a connecting mechanism outside the pipe body.
  • a sealing mechanism is provided at the joint of every two adjacent preforms.
  • the sealing mechanism includes an ethylene oxide resin, a water stop tape or a concrete coagulum which is filled at the joint of two adjacent preforms.
  • the invention has the advantages that the assembled structure is used to divide the underground pipe gallery into a plurality of prefabricated parts, which facilitates transportation, and the prefabricated parts are smaller in size, light in weight and convenient to install during installation.
  • the connection of the connecting members is adopted, so that the connection between the prefabricated parts is convenient and quick, thereby greatly improving the construction efficiency and realizing the rapid installation of the underground pipe gallery.
  • Figure 1 is a schematic view of the structure of the present invention
  • FIG. 2 is a working principle diagram of the present invention
  • Figure 3 is a schematic view showing another structure of the present invention.
  • Figure 4 is an enlarged view of A of Figure 1;
  • Figure 5 is an enlarged view of B of Figure 2;
  • Figure 6 is a schematic view showing the shape of the preform
  • Fig. 7 is a schematic structural view of a connector.
  • pipe body 1 prefabricated part 2, working room 3, connecting piece 4, connecting sleeve 41, connecting head 42, screw sleeve 43, screw connecting end 44, card 45, card table 46, positioning nut 47, card
  • a fabricated underground pipe gallery includes a hollow pipe gallery body 1, and the pipe gallery body 1 includes at least two interconnected preforms 2, and the preforms 2 are connected to each other to form The circumferentially closed tube body 1. That is, the pipe body 1 is assembled and can form a closed pipe structure after assembly.
  • the cross-sectional shape of the pipe gallery body 1 is not limited and may be a rectangle, a circle or the like, and of course, it is preferably a square.
  • the preform 2 may have a shape as shown in Fig. 6, or may be other shapes such as a "Z" shape, a "U” shape, or the like.
  • a sealing mechanism is provided at the junction of each two adjacent preforms 2.
  • the sealing mechanism comprises a sealant such as an epoxy resin or a waterstop or concrete coagulum which is filled at the joint of two adjacent preforms 2, wherein the concrete can be casted at the joint and become solidified. Concrete solidified material with waterproof effect.
  • a plurality of prefabricated parts 2 are fixed in the pipe body 1 , and the prefabricated parts 2 divide the inside of the pipe gallery body 1 into a plurality of mutually independent working rooms 3, and the respective working rooms 3 are independent. Do not interfere with each other, easy to repair and line laying.
  • a plurality of partitions 5 are disposed inside the pipe body 1 and horizontally, and small pipes or lines can be placed on the partitions 5 to facilitate the laying of the pipes inside the pipe body 1.
  • the preforms 2 can be cast in between. As a preferred solution, as shown in Fig. 1, each two adjacent preforms 2 are connected to each other by a connecting member 4.
  • the connecting member 4 includes a connecting sleeve 41 fixed to one of the preforms 2 and a connecting head 42 fixed to the other of the preforms 2.
  • the connecting sleeve 41 and the connecting head 42 are mutually connected. Fitted and can form a fixed connection, when the connecting sleeve 41 and the connecting head 42 are fixedly connected, the two adjacent preforms 2 are fixedly connected.
  • the connecting sleeve 41 and the connecting head 42 are respectively fixed on two adjacent preforms 2, and the connecting sleeve 41 is fixed inside one of the preforms 2, and the connecting head 42 protrudes in another On the outside of a piece of preform 2, the connector 42 is mated with the connector sleeve 41.
  • the connecting sleeve 41 and the connecting head 42 are respectively fixed on two adjacent preforms 2, and the connecting sleeve 41 and the connecting head 42 respectively protrude outside the preform 2, and the connecting sleeve 41 and the connecting body are respectively connected.
  • the head 42 is screwed into engagement.
  • connection member The specific structure and working principle of the connecting member can be found in the patent previously filed by the applicant. For example, the application number is 201510314380.0; 200810060180.7; 200810060181.1. Since the connector is a prior art, it will not be described here.
  • the present embodiment provides a preferred connector 4, as shown in Figures 4 and 7, including a connecting sleeve 41 and a connector 42 for connecting two adjacent preforms 2, a connecting sleeve 41 and
  • the connecting heads 42 are respectively fixedly connected to the connecting ribs 6, wherein the connecting head 42 can be directly fixed to the connecting ribs 6, or can be detachably fixed by the nut equal to the connecting ribs 6, and a threaded sleeve 43 is screwed into the connecting sleeve 41.
  • One end of the threaded sleeve 43 has a cylindrical screw-shaped connecting end 44, and the other end is bifurcated to form a plurality of cards 45.
  • Each two adjacent cards 45 have a gap therebetween, and the central portion of the card 45 is away from the axis of the threaded sleeve 43.
  • the direction is protruded so that the outer surface of the card 45 is curved to make the card 45 elastic and easy to gather.
  • the number of the cards 45 may be two or more, and preferably three or more.
  • the threaded sleeve 43 has a passage for inserting the plunger connector 42.
  • the end of the connector 42 has a card table 46 adapted to the end of the card 45.
  • the connector 42 is screwed with a positioning nut 47 that can move up and down along the connector 42 in the axial direction.
  • a positioning nut 47 When the positioning nut 47 is connected
  • the sleeve 41 moves, the card 45 is clamped to the card table 46, and the outer edge of the card table 46 has a card retaining ring 48, which can prevent the card 45 from coming off. Off the card table 46.
  • This embodiment further provides another connecting member 4, as shown in FIG. 4, which includes a connecting sleeve 41 and a connecting head 42 respectively connected to two adjacent prefabricated members 2, wherein the connecting sleeve 41 is attached to the connecting rib 6
  • the connecting rib 6 extends beyond the end of the preform 2 to form a boss 49.
  • the connecting sleeve 41 is caught by the boss 49 and cannot be detached from the connecting rib 6 but can rotate circumferentially along the connecting rib 6.
  • the connecting head 42 has The external thread, the connecting sleeve 41 has an internal thread.
  • a plurality of connecting ribs 6 are fixed inside the preform 2, and the connecting ribs 6 are steel bars, steel bars, steel strands, chemical profiles such as carbon fiber rods, etc., and the connecting sleeve 41 and the connecting head 42 are connected.
  • the connecting ribs 6 are fixedly connected to the connecting ribs 6, respectively.
  • the connecting ribs 6 disposed in the horizontal direction are adjacent to the outer wall of the pipe porch body 1 and are provided with a connection mechanism that can be fixedly connected with the connecting mechanism outside the pipe porch body 1.
  • the joint mechanism 7 is generally a connecting sleeve 41, and may be another connecting nut or the like, and is fixed inside the preform 2.
  • the reinforcing mechanism 100 can pass through the external mechanism. 7 A fixed connection is made with the pipe body 1 to improve the fixing effect of the pipe body 1 in the soil layer to prevent settlement or displacement, and the reinforcement mechanism 100 may be a cement soil mixing pile or a precast pile.
  • the pipe body 1 of the invention is formed by assembly, which is convenient for transportation and installation, improves construction efficiency and reduces construction cost.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Electric Cable Installation (AREA)

Abstract

一种装配式地下管廊，包括中空的管廊本体（1），管廊本体（1）包括至少两块相互连接的预制件（2），预制件（2）相互连接后形成周向封闭的管廊本体（1）。

Description

装配式地下管廊 技术领域
本发明属于建筑技术领域，涉及一种装配式地下管廊。
背景技术
地下管廊又称共同沟，它是实施统一规划、设计、施工和维护，建于城市地下用于敷设市政公用管线的市政公用设施。是指在城市地下用于集中敷设电力、通信、广播电视、给水、排水、热力、燃气等市政管线的公共隧道。
早在上世纪二十年代，日本首都东京市政机构就在市中心九段地区的干线道路下，将电力、电话、供水和煤气等管线集中铺设，形成了东京第一条地下综合管廊。此后，1963年制定的《关于建设共同沟的特别措施法》，从法律层面规定了日本相关部门需在交通量大及未来可能拥堵的主要干道地下建设“共同沟”。国土交通省下属的东京国道事务所负责东京地区主干线地下综合管廊的建设和管理，次干线的地下综合管廊则由东京都建设局负责。
北京早在1958年就在天安门广场下铺设了1000多米的综合管廊。2006年在中关村西区建成了我国大陆地区第二条现代化的综合管廊。该综合管廊主线长2公里，支线长1公里，包括水、电、冷、热、燃气、通讯等市政管线。1994年，上海市政府规划建设了大陆第一条规模最大、距离最长的综合管廊——浦东新区张杨路综合管廊。该综合管廊全长11.125公里，收容了给水、电力、信息与煤气等四种城市管线。上海还建成了松江新城示范性地下综合管廊工程一期和“一环加一线”总长约6公里的嘉定区安亭新镇综合管廊系统。中国与新加坡联合开发的苏州工业园基础设施建设，经过10年的开发，地下管线走廊也已初具规模。
国务院高度重视推进城市地下综合管廊建设，2013年以来先后印发了《国务院关于加强城市基础设施建设的意见》、《国务院办公厅关于加强城市地下管线建设管理的指导意见》，部署开展城市地下综合管廊建设试点工作。
中国专利文献公开了一种带补偿装置的集成式地下管廊[申请号：201410559745.1]，包含若干管节密封条和若干首尾相接的管节单元，所述管节密封条设于相邻所述管节单元之间，所述管节单元包括管节和若干平行设置的管道，所述管道通过固定座设于所述管节内部的底面上，所述管节两端分别设有与所述管节形状相适配的管节伸缩连接管，所述管道两端分别设有管道伸缩连接管，所述管节伸缩连接管远离所述管节的一端设有法兰一，所述管道伸缩连接管远离所述管道的一端设有法兰二。上述方案有效降低了施工安装的难度，提高了管廊和管道的安装效率，节省大量施工时间和费用，同时预制成型的管节承载能力大，抗压效果好。但是，预制成型的管节重量大，体型大，不便于运输，在安装时，需要用负荷量较大的起重器械，施工成本高。
发明内容
本发明的目的是针对上述问题，提供一种运输、安装方便，能提高施工效率的装配 式地下管廊。
为达到上述目的，本发明采用了下列技术方案：一种装配式地下管廊，包括中空的管廊本体，所述的管廊本体包括至少两块相互连接的预制件，所述的预制件相互连接后形成周向封闭的管廊本体。
在上述的装配式地下管廊中，所述的管廊本体内固定有若干预制件，所述的预制件把管廊本体内部分隔成若干相互独立的工作间。
在上述的装配式地下管廊中，每两块相邻的预制件用连接件相互连接。
在上述的装配式地下管廊中，所述的管廊本体内部并呈水平方向设置有若干块隔板。
在上述的装配式地下管廊中，所述的连接件包括连接在其中一块预制件上的连接套和连接在另一块预制件上的连接头，所述的连接套和连接头相互配适并能形成固定连接，当连接套和连接头固定连接时，两块相邻的预制件固定连接。
在上述的装配式地下管廊中，所述的连接套和连接头分别连接在两块相邻的预制件上，所述的连接套连接在其中一块预制件内部，所述的连接头突出在另一块预制件外部，连接头与连接套插接配合。
在上述的装配式地下管廊中，所述的连接套和连接头分别连接在两块相邻的预制件上，且连接套和连接头分别突出在预制件外部，所述的连接套和连接头螺接配合。
在上述的装配式地下管廊中，所述的预制件内部固定有若干连接筋，所述的连接套和连接头分别与连接筋固定连接，所述的呈水平方向设置的连接筋靠近管廊本体外壁的一端设有能与管廊本体外部的连接机构进行固定连接的外联机构。
在上述的装配式地下管廊中，每两块相邻的预制件的连接处设有密封机构。
在上述的装配式地下管廊中，所述的密封机构包括在两块相邻的预制件的连接处填设的环氧乙烷树脂、止水带或混凝土凝固物。
与现有的技术相比，本发明的优点在于：采用装配式结构，将地下管廊分成若干预制件，方便了运输，在安装时，预制件的体型较小、重量较轻，安装方便，尤其采用连接件连接的方式，使预制件之间的连接方便快捷，从而能极大的提高施工效率，实现地下管廊的快速安装。
附图说明
图1是本发明的结构示意图；
图2是本发明的工作原理图；
图3是本发明的另一种结构示意图；
图4是图1的A处放大图；
图5是图2的B处放大图；
图6是预制件的形状示意图；
图7是连接件的结构示意图。
图中：管廊本体1、预制件2、工作间3、连接件4、连接套41、连接头42、螺套43、螺套连接端44、卡片45、卡台46、定位螺母47、卡片挡环48、凸台49、隔板5、连接筋6、外联机构7、加固机构100。
具体实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
如图1所示，一种装配式地下管廊，包括中空的管廊本体1，所述的管廊本体1包括至少两块相互连接的预制件2，所述的预制件2相互连接后形成周向封闭的管廊本体1。也即管廊本体1是装配式的，在装配后能形成封闭的管道结构。管廊本体1的横截面形状不做限定，可以是矩形、圆形或其他形状，当然，优选为正方形。预制件2可以是如图6所示的形状，也可以是其他形状如“Z”字型，“U”字型等等。每两块相邻的预制件2的连接处设有密封机构。密封机构包括在两块相邻的预制件2的连接处填设的密封胶如环氧乙烷树脂或止水带或混凝土凝固物，其中混凝土可以在在接缝处现浇，固化后即成为混凝土凝固物，具有防水效果。
结合图1和图3所示，管廊本体1内固定有若干预制件2，所述的预制件2把管廊本体1内部分隔成若干相互独立的工作间3，各个工作间3各自独立，相互不干扰，方便检修和线路铺设。如图2所示，管廊本体1内部并呈水平方向设置有若干块隔板5，隔板5上可以放置小管道或线路，为管廊本体1内部的铺线提供方便。
预制件2之间可以现浇连接，作为一种优选的方案，如图1所示，每两块相邻的预制件2用连接件4相互连接。
如图1和图4所示，连接件4包括固定在其中一块预制件2上的连接套41和固定在另一块预制件2上的连接头42，所述的连接套41和连接头42相互配适并能形成固定连接，当连接套41和连接头42固定连接时，两块相邻的预制件2固定连接。
如图1所示，连接套41和连接头42分别固定在两块相邻的预制件2上，所述的连接套41固定在其中一块预制件2内部，所述的连接头42突出在另一块预制件2外部，连接头42与连接套41插接配合。
如图4所示，连接套41和连接头42分别固定在两块相邻的预制件2上，且连接套41和连接头42分别突出在预制件2外部，所述的连接套41和连接头42螺接配合。
连接件的具体结构和工作原理见本申请人之前申请的专利。如申请号为201510314380.0；200810060180.7；200810060181.1的专利。由于连接件是现有技术，此处不再赘述。
本实施例提供了一种优选的连接件4，如图4和图7所示，所示，包括分别连接两个相邻的预制件2上的连接套41和连接头42，连接套41和连接头42分别与连接筋6固定连接，其中连接头42可以直接与连接筋6固接，也可以通过螺母等于连接筋6可拆卸的固接，连接套41内螺接有一个螺套43，螺套43一端呈圆柱形的螺套连接端44，另一端分叉后形成若干个卡片45，每两片相邻的卡片45之间具有间隙，卡片45中部向远离螺套43轴心线的方向突出从而使卡片45的外表面形成弧面，使卡片45具有弹性，易于收拢。卡片45的数量在2片以上即可，优选地可以是3片或大于3片。所述的螺套43内具有能让插杆连接头42插入的通道，连接头42的端部具有与卡片45端部相配适的卡台46，当连接头42插入到螺套43内时，卡片45卡咋卡台46上从而阻止连接头42脱离连接套41，所述的连接头42上螺接有一个能沿着连接头42轴向上下移动的定位螺母47，当定位螺母47向连接套41方向移动时，卡片45与卡台46卡紧，卡台46的外边缘有一个卡片挡环48，能阻止卡片45脱 离卡台46。
本实施例还提供了另一种连接件4，如图4所示，包括分别连接两个相邻的预制件2上的连接套41和连接头42，其中连接套41卡设在连接筋6上，连接筋6延伸出预制件2的端部膨大呈凸台49，连接套41被凸台49卡住后不能脱离连接筋6但能沿着连接筋6周向旋转，连接头42上具有外螺纹，连接套41具有内螺纹，当两个预制件2靠近时，转动连接套41使连接套41与连接头42螺接，实现两个预制件2的快速连接。两个预制件2之间具有缝隙，可在缝隙处填上上述的密封机构，从而使缝隙达到防水效果。
如图1和图2所示，预制件2内部固定有若干连接筋6，连接筋6为钢棒、钢筋、钢绞线、化工型材如碳纤维棒等，所述的连接套41和连接头42分别与连接筋6固定连接，如图2所示，所述的呈水平方向设置的连接筋6靠近管廊本体1外壁的一端设有能与管廊本体1外部的连接机构进行固定连接的外联机构7，外联机构7通常为连接套41，也可以是其他的连接螺母等，固定在预制件2内部，当预制件2外部具有其他加固机构100时，加固机构100可通过外联机构7与管廊本体1实现固定连接，从而提高管廊本体1在土层中的固定效果，防止发生沉降或变位，加固机构100可以是水泥土搅拌桩或预制桩等。
本发明的管廊本体1采用装配式形成，便于运输、安装，提高了施工效率，降低了施工成本。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (10)

  1. 一种装配式地下管廊，包括中空的管廊本体(1)，其特征在于，所述的管廊本体(1)包括至少两块相互连接的预制件(2)，所述的预制件(2)相互连接后形成周向封闭的管廊本体(1)。
  2. 根据权利要求1所述的装配式地下管廊，其特征在于，所述的管廊本体(1)内固定有若干预制件(2)，所述的预制件(2)把管廊本体(1)内部分隔成若干相互独立的工作间(3)。
  3. 根据权利要求1或2所述的装配式地下管廊，其特征在于，每两块相邻的预制件(2)用连接件(4)相互连接。
  4. 根据权利要求1所述的装配式地下管廊，其特征在于，所述的管廊本体(1)内部并呈水平方向设置有若干块隔板(5)。
  5. 根据权利要求3所述的装配式地下管廊，其特征在于，所述的连接件(4)包括连接在其中一块预制件(2)上的连接套(41)和连接在另一块预制件(2)上的连接头(42)，所述的连接套(41)和连接头(42)相互配适并能形成固定连接，当连接套(41)和连接头(42)固定连接时，两块相邻的预制件(2)固定连接。
  6. 根据权利要求5所述的装配式地下管廊，其特征在于，所述的连接套(41)和连接头(42)分别连接在两块相邻的预制件(2)上，所述的连接套(41)连接在其中一块预制件(2)内部，所述的连接头(42)突出在另一块预制件(2)外部，连接头(42)与连接套(41)插接配合。
  7. 根据权利要求5所述的装配式地下管廊，其特征在于，所述的连接套(41)和连接头(42)分别连接在两块相邻的预制件(2)上，且连接套(41)和连接头(42)分别突出在预制件(2)外部，所述的连接套(41)和连接头(42)螺接配合。
  8. 根据权利要求5所述的装配式地下管廊，其特征在于，所述的预制件(2)内部固定有若干连接筋(6)，所述的连接套(41)和连接头(42)分别与连接筋(6)固定连接，所述的呈水平方向设置的连接筋(6)靠近管廊本体(1)外壁的一端设有能与管廊本体(1)外部的连接机构进行固定连接的外联机构(7)。
  9. 根据权利要求1所述的装配式地下管廊，其特征在于，每两块相邻的预制件(2)的连接处设有密封机构。
  10. 根据权利要求9所述的装配式地下管廊，其特征在于，所述的密封机构包括在两块相邻的预制件(2)的连接处填设的环氧乙烷树脂、止水带或混凝土凝固物。
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