WO2018113488A1 - 一种顶管冻结系统及其施工方法 - Google Patents

一种顶管冻结系统及其施工方法 Download PDF

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WO2018113488A1
WO2018113488A1 PCT/CN2017/113451 CN2017113451W WO2018113488A1 WO 2018113488 A1 WO2018113488 A1 WO 2018113488A1 CN 2017113451 W CN2017113451 W CN 2017113451W WO 2018113488 A1 WO2018113488 A1 WO 2018113488A1
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pipe
freezing
jacking
ordinary
pipes
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PCT/CN2017/113451
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English (en)
French (fr)
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赵海峰
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中国十七冶集团有限公司
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Publication of WO2018113488A1 publication Critical patent/WO2018113488A1/zh

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/14Restraining of underground water by damming or interrupting the passage of underground water by freezing the soil

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  • the invention belongs to the field of highway and municipal infrastructure construction, and particularly relates to a jacking pipe freezing system and a construction method thereof, and is mainly used in urban underground space (metro, underground passage, urban pipe gallery, etc.), large mine or tunnel construction.
  • the common pipe jacking technology is based on the common pipe jacking technology and freezing technology. The two are organically combined to make them work together to shorten the construction period and improve work efficiency. With the support of China's rapid economic growth, the development of ordinary pipe jacking technology will face unprecedented opportunities. In the basics of accelerating the introduction of foreign advanced technologies, efforts to digest innovation and strengthen R&D and personnel training, the prospects are very optimistic. Throughout the development of common pipe jacking technology at home and abroad, the development direction will be diversified and diversified. In terms of the diameter of the ordinary pipe jacking, in addition to the jacking development of the large diameter pipe, the jacking of the small diameter pipe is also developed.
  • the technical problem to be solved by the invention is: in a difficult section of urban underground pipeline line intensive construction conditions; the groundwater can be effectively isolated, and its anti-penetration performance can not be compared with any other method, for any water content not more than 10%
  • the water-containing, loose and unstable stratum can be constructed by this method; the method is an environmentally-friendly construction method, no pollution to the surrounding environment, no foreign matter entering the soil, low noise, construction completion, melting of the frozen soil wall, no impact on the surrounding Buildings; construction can be used for pile foundation or other process parallel construction operations, which can effectively shorten the construction period.
  • a jacking pipe freezing system which comprises a circulating pipe, a freezing pipe, a common pipe jacking, a freezing and distributing device, a temperature measuring line, a connecting pipe and a circulation system distributing device, and the circulating pipe includes
  • the water pipe and the water outlet pipe have N, and the N common pipe jacks are connected one by one around the working foundation pit through the connecting pipe, and the N common pipe jacks are sequentially provided with numbers, and the number will be
  • the N common top pipes are divided into a single pipe and a double pipe, and the single pipe is provided with a freezing pipe, a freezing distribution device and a temperature measuring line, and the freezing pipe and the freezing distribution device are connected through the temperature measuring line.
  • the double pipe is provided with a circulation pipe and a circulation system distributing device, and the circulation pipe is correspondingly connected with the circulation system distributing device, and the common pipe jacking of the pipe freezing system is sealed with rubber and connected by a connecting pipe overall.
  • N common top tubes are an even number greater than two.
  • the number of the common top tubes is 36.
  • the invention also discloses a construction method of a jacking pipe freezing system, comprising: (1) excavating a working foundation pit, determining that a total of N ordinary pipe jacks are required in a week of the working foundation pit, and the N ordinary jacking pipes are pressed Isometrically arranged and numbered;
  • each single pipe is equipped with a freezing pipe, a freezing distribution device and a temperature measuring line, and the freezing pipe and the freezing distribution device are connected to the relevant temperature measuring device through the temperature measuring line, and each double pipe is configured with a circulating pipe and a circulation system.
  • the device connects the circulation pipe in each double pipe and the circulation system distribution device;
  • the ordinary jacking pipe generally adopts a reinforced concrete pipe. If there is no corrosive requirement, the steel pipe can be selected, and the specification design of the reinforced concrete pipe, the reinforcement design and the stress checking should meet the standard of the reinforced concrete. And technical procedures, especially the standards and technical regulations for reinforced concrete pipes.
  • the temperature of the freezing pipe should be measured every day.
  • the freezing pipe is controlled to balance the circulating pipe.
  • the present invention can obtain the following technical effects:
  • the invention technology is applicable to various construction layers, especially suitable for difficult construction conditions in urban underground pipeline lines;
  • the method is an environmentally friendly construction method, no pollution to the surrounding environment, no foreign matter entering the soil, low noise, construction completion, melting of the frozen soil wall, and will not affect the surrounding buildings;
  • Construction can be used for pile foundation or other process parallel construction operations, which can effectively shorten the construction period.
  • Figure 1 is an overall piping layout of a jacking system.
  • FIG. 2 is a partial enlarged view of a piping layout diagram of a conventional jacking pipe freezing method.
  • 1 water inlet pipe
  • 2 water outlet pipe
  • 3 freezing pipe
  • 4 ordinary pipe jacking
  • 5 freezing distribution device
  • 6 temperature measuring line
  • 7 connecting pipe
  • 8 circulating system distribution device.
  • a pipe jacking freezing system as shown in FIGS. 1 and 2 includes: a circulating pipe, a freezing pipe 3, a common top pipe 4, a freezing distribution device 5, a temperature measuring line 6, a connecting pipe 7, and a circulation system distributing device 8,
  • the circulating pipe includes a water inlet pipe 1 and a water outlet pipe 2, and the ordinary pipe jacking pipe 4 has 36, and the 36 ordinary pipe jacking pipes 4 are connected one by one around the working foundation pit through the connecting pipe 7 in advance, and the 36 ordinary pipe jacking pipes 4
  • the upper part is sequentially provided with a number, and the number divides 36 common top tubes 4 into a single pipe and a double pipe, and the single pipe is provided with a freezing pipe 3, a freezing distribution device 5 and a temperature measuring line 6,
  • the freezing pipe 3 and the freezing and distributing device 5 are connected to the relevant temperature measuring device through the temperature measuring line 6.
  • the double pipe is provided with a circulation pipe and a circulation system distributing device 8, and the circulating pipe is connected with the circulation system distributing device 8,
  • the common top tube 4 of the ordinary top tube 4 freezing system is used for
  • the rubber is sealed and connected as a whole by a connecting pipe 7.
  • a construction method for a pipe jacking freezing system comprising: (1) excavating a working foundation pit, determining that a total of 36 ordinary jacking pipes 4 are required in a week of working foundation pits, and the 36 ordinary jacking pipes 4 are closely spaced equidistantly Arrange and number them;
  • each single pipe is equipped with a freezing pipe 3, a freezing distribution device 5 and a temperature measuring line 6, and the freezing pipe 3 and the freezing distribution device 5 are connected to the relevant temperature measuring device through the temperature measuring line 6, each A double-numbered ordinary top pipe 4 is provided with a circulation pipe and a circulation system distributing device 8, and the circulation pipe in each double pipe is connected to the circulation system distributing device 8;
  • the ordinary pipe jacking 4 generally adopts a reinforced concrete pipe. If there is no corrosive requirement, the steel pipe can be selected, and the specification design of the reinforced concrete pipe, the reinforcement design and the stress checking should meet the standards of the reinforced concrete. Technical regulations, especially standards and technical regulations for reinforced concrete pipes.
  • the temperature of the freezing pipe should be measured every day.
  • the freezing pipe 3 is controlled to balance the circulating pipe.
  • the number of the common pipe jacks is determined according to specific construction requirements, and is not 36 fingers.
  • the determination of the 36 common pipe jacking values is merely a further explanation of the invention according to the drawings.
  • a pipe jacking freezing system as shown in FIGS. 1 and 2 includes: a circulating pipe, a freezing pipe 3, a common top pipe 4, a freezing distribution device 5, a temperature measuring line 6, a connecting pipe 7, and a circulation system distributing device 8,
  • the circulating pipe includes a water inlet pipe 1 and a water outlet pipe 2, and the ordinary pipe jacking pipe 4 has 36, and the 36 ordinary pipe jacking pipes 4 are connected one by one around the working foundation pit through the connecting pipe 7 in advance, and the 36 ordinary pipe jacking pipes 4
  • the upper part is sequentially provided with a number, and the number divides 36 common top tubes 4 into a single pipe and a double pipe, and the single pipe is provided with a freezing pipe 3, a freezing distribution device 5 and a temperature measuring line 6,
  • the freezing pipe 3 and the freezing and distributing device 5 are connected to the relevant temperature measuring device through the temperature measuring line 6.
  • the double pipe is provided with a circulation pipe and a circulation system distributing device 8, and the circulating pipe is connected with the circulation system distributing
  • a construction method for a pipe jacking freezing system comprising: (1) excavating a working foundation pit, determining that a total of 36 ordinary jacking pipes 4 are required in a week of working foundation pits, and the 36 ordinary jacking pipes 4 are closely spaced equidistantly Arrange and number them;
  • each single pipe is equipped with a freezing pipe 3, a freezing distribution device 5 and a temperature measuring line 6, and the freezing pipe 3 and the freezing distribution device 5 are connected to the relevant temperature measuring device through the temperature measuring line 6, each A double-numbered ordinary top pipe 4 is provided with a circulation pipe and a circulation system distributing device 8, and the circulation pipe in each double pipe is connected to the circulation system distributing device 8;
  • the number of the common pipe jacks is determined according to specific construction requirements, and is not 36 fingers.
  • the determination of the 36 common pipe jacking values is merely a further explanation of the invention according to the drawings.
  • the present invention is implemented as follows:
  • the jacking pipe freezing system and the construction method thereof of the invention firstly excavate the working foundation pit, and a total of N common jacking pipes are required in the working foundation pit.
  • the number of the common jacking pipe is determined according to the size of the foundation pit, for example: 36 in the embodiment, at the same time, 4, 8, 16, 24, 48, etc., N common top tubes are closely arranged in equal distance and numbered; then the top force generated by the jacking device is used to overcome the pipeline The friction between the surrounding pipe and the surrounding soil is applied to the soil layer according to the designed slope.
  • Each of the singular common pipe jacks is configured with a freezing pipe, and the double pipe is configured with a circulating pipe, and each pipe is provided with a corresponding line.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

一种顶管冻结系统,包括循环管道、冻结管(3)、普通顶管(4)、冻结配送装置(5)、测温线(6)、连接管道(7)和循环系统配送装置(8)。还包括利用顶管冻结系统的施工方法,首先开挖工作基坑,在工作基坑一周需要N个普通顶管(4)按等距紧密排列,并对其进行编号;然后借助顶进设备产生的顶力,克服管道和周围土壤的摩擦力,将普通顶管(4)按照设计的坡度顶到土层中,每个单数管道配置冻结管(3),每个双数管道配置循环管道,每个管道内都配置相应的线路;用连接设备将普通顶管(4)连接;最后将其余的管道依次顶入,将土运出,将普通顶管(4)内的管道连接起来,并连接相应的管线,形成一个稳定的空间,周边的连接管道(7)起到锚固和支撑的作用。

Description

一种顶管冻结系统及其施工方法 技术领域
本发明属于公路、市政基础设施施工领域,尤其涉及一种顶管冻结系统及其施工方法,主要运用于城市地下空间(地铁,地下通道,城市管廊等)、大型矿井或者隧道建设中。
背景技术
随着我国经济持续稳定地增长,城市化进程的进一步加快,我国的地下管线的需求量也在逐年增加。加之人们对环境保护意识的增强,普通顶管冻结技术将在我国地下管线的施工中起到越来越重要的地位和作用。非开挖技术的发展必将向规模化、规范化、国际化的方向发展。
普通顶管冻结技术是依普通顶管技术和冻结技术为原型,将二者有机的结合在一起,使之协同工作来缩短工期,提高工作效率。在我国经济高速增长的支持下,普通顶管技术的发展将面临前所未有的机遇,在加快引进国外先进技术的基本上,努力消化创新,加强研发和人才培养,其前景是非常乐观的。纵观国内外普通顶管技术的发展,发展方向将是多元化和多样化。在普通顶管直径方面,除了向大口径管的顶进发展以外,也向小口径管的顶进发展。目前普通顶管技术最小普通顶管的口径只有75mm,最大的已达到5m(德国),大口径普通顶管有取代小型盾构的趋势。在适应性方面,发展宽范围、全土质型普通顶管机是必然趋势,适应范围将大为延伸,从N值为极小的土到N值为五十多的砾石,直至轴压强度达200MPa的岩石。将微电子技术、工业传感技术、实时控制技术和现代化控制理论与机械、液压技术综合运用于普通顶管机械上是普通顶管技术的发展方向。数字化、信息化、智能型普通顶管机的研制将得到更多的关注,纠偏精度、自动化程度也将得到大力提高。在不久的将来,一些全自动、高精度的掘进机会成为主流的施工机械。普通顶管的用途随着相关技 术的发展也将继续扩,主要用于管道铺设、涵顶进、地下人行通道管棚式施工等多用途型。而冻结技术,发展至今也有40多年的历史了,该项技术一直被广泛的运用在煤炭矿井筒的开挖施工中。普通顶管冻结技术就是在这样一个环境中,孕育而生了。
发明内容
本发明所要解决的技术问题是:在城市地下管道线路密集的施工条件困难地段;可有效的隔绝地下水,其抗渗透性能是其他任何方法都无法相比的,对于含水量不大于10%的任何含水、松散、不稳定地层均可以采用该方法施工;该方法是一种环保施工方法,对周围环境无污染,无异物进入土壤,噪音小,施工完成,冻土墙融化,不会影响周围的建筑物;施工可以用于桩基或者其他工艺平行施工作业,可以有效的缩短工期。
为了解决上述技术问题,本发明公开了一种顶管冻结系统,包括循环管道、冻结管、普通顶管、冻结配送装置、测温线、连接管道和循环系统配送装置,所述循环管道包括进水管道和出水管道,所述普通顶管有N个,所述N个普通顶管通过连接管道依次围绕工作基坑连接一周,所述N个普通顶管上依次设有编号,所述编号将N个普通顶管分为单号管道和双号管道,所述单号管道内设有冻结管、冻结配送装置和测温线,所述冻结管和冻结配送装置通过测温线连接相关的测温装置,所述双号管道内设有循环管道和循环系统配送装置,所述循环管道与循环系统配送装置对应连接,所述顶管冻结系统的普通顶管用橡胶密封并且通过连接管道连接为一个整体。
进一步的,所述N个普通顶管为大于二的偶数个。
进一步的,所述普通顶管数量为36个。
本发明还公开了一种顶管冻结系统的施工方法,包括:(一)开挖工作基坑,确定在工作基坑的一周一共需要N个普通顶管,将所述N个普通顶管按等距紧密排列,并对其进行编号;
(二)借助顶进设备产生的顶力,克服管道和周围土壤的摩擦力,将普通顶管按照设计的坡度顶到土层中,根据编号将N个普通顶管分为单号管道和双号管道,每个单号管道配置冻结管、冻结配送装置和测温线,将冻结管和冻结配送装置通过测温线连接相关的测温装置,每个双号管道配置循环管道和循环系统配送装置,将每个双号管道内的循环管道和循环系统配送装置对应连接;
(三)用连接管道将普通顶管连接;
(四)将其余的管道依次顶入,将土运出,将普通顶管内的循环管道、冻结管、冻结配送装置、测温线、连接管道和循环系统配送装置对应连接起来,并连接相应的管线,形成一个稳定的空间,周边的连接管道起到一个锚固和支撑的作用;
进一步的,所述普通顶管的选择,普通顶管一般选用钢筋混凝土管,如没有腐蚀性要求则可以选用钢管,钢筋混凝土管的规格设计,配筋设计和应力验算应当满足有关钢筋混凝土的标准和技术规程,特别是有关钢筋混凝土管的标准和技术规程。
进一步的,所述一种顶管冻结系统在使用时,应当每天对冻结管道进行温度测量,当温度有明显的变化时,通过调节循环管道,来控制冻结管,使之平衡。
与现有技术相比,本发明可以获得以下技术效果:
1)该发明技术适用于在各种地层中,尤其是适合在城市地下管道线路密集的施工条件困难地段;
2)可有效的隔绝地下水,其抗渗透性能是其他任何方法都无法相比的,对于含水量不大于10%的任何含水、松散、不稳定地层均可以采用该方法施工;
3)该方法是一种环保施工方法,对周围环境无污染,无异物进入土壤,噪音小,施工完成,冻土墙融化,不会影响周围的建筑物;
4)施工可以用于桩基或者其他工艺平行施工作业,可以有效的缩短工期。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为一种顶管冻结系统的整体管道布置图。
图2为一种普通顶管冻结法系统的管道布置图的局部放大图。
图中:1:进水管道,2:出水管道,3:冻结管,4:普通顶管,5:冻结配送装置,6:测温线,7:连接管道,8:循环系统配送装置。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
下面结合附图及具体实施例对本发明的应用原理作进一步描述。
实施例一
如图1和图2所示一种顶管冻结系统:包括循环管道、冻结管3、普通顶管4、冻结配送装置5、测温线6、连接管道7和循环系统配送装置8,所述循环管道包括进水管道1和出水管道2,所述普通顶管4有36个,所述36个普通顶管4通过连接管道7依次围绕工作基坑连接一周,所述36个普通顶管4上依次设有编号,所述编号将36个普通顶管4分为单号管道和双号管道,所述单号管道内设有冻结管3、冻结配送装置5和测温线6,所述冻结管3和冻结配送装置5通过测温线6连接相关的测温装置,所述双号管道内设有循环管道和循环系统配送装置8,所述循环管道与循环系统配送装置8对应连接,所述普通顶管4冻结系统的普通顶管4用 橡胶密封并且通过连接管道7连接为一个整体。
一种顶管冻结系统的施工方法,包括:(一)开挖工作基坑,确定在工作基坑的一周一共需要36个普通顶管4,将所述36个普通顶管4按等距紧密排列,并对其进行编号;
(二)借助顶进设备产生的顶力,克服普通顶管4和周围土壤的摩擦力,将普通顶管4按照设计的坡度顶到土层中,根据编号将36个普通顶管4分为单号管道和双号管道,每个单号管道配置冻结管3、冻结配送装置5和测温线6,将冻结管3和冻结配送装置5通过测温线6连接相关的测温装置,每个双号普通顶管4配置循环管道和循环系统配送装置8,将每个双号管道内的循环管道和循环系统配送装置8对应连接;
(三)用连接管道7将普通顶管4连接;
(四)将其余的管道依次顶入,将土运出,将普通顶管4内的循环管道、冻结管3、冻结配送装置5、测温线6、连接管道7和循环系统配送装置8对应连接起来,形成一个稳定的空间,周边的连接管道7起到一个锚固和支撑的作用;
所述普通顶管4的选择,普通顶管4一般选用钢筋混凝土管,如没有腐蚀性要求则可以选用钢管,钢筋混凝土管的规格设计,配筋设计和应力验算应当满足有关钢筋混凝土的标准和技术规程,特别是有关钢筋混凝土管的标准和技术规程。
所述一种顶管冻结系统在使用时,应当每天对冻结管3道进行温度测量,当温度有明显的变化时,通过调节循环管道,来控制冻结管3,使之平衡。
在有些实施例中:所述普通顶管的个数根据具体施工时需要确定,并非单指36个,所列36个普通顶管数值的确定仅仅是根据附图对该发明的进一步阐述。
实施例二
如图1和图2所示一种顶管冻结系统:包括循环管道、冻结管3、普通顶管4、冻结配送装置5、测温线6、连接管道7和循环系统配送装置8,所述循环管道包括进水管道1和出水管道2,所述普通顶管4有36个,所述36个普通顶管4通过连接管道7依次围绕工作基坑连接一周,所述36个普通顶管4上依次设有编号,所述编号将36个普通顶管4分为单号管道和双号管道,所述单号管道内设有冻结管3、冻结配送装置5和测温线6,所述冻结管3和冻结配送装置5通过测温线6连接相关的测温装置,所述双号管道内设有循环管道和循环系统配送装置8,所述循环管道与循环系统配送装置8对应连接,所述普通顶管4冻结系统的普通顶管4用橡胶密封并且通过连接管道7连接为一个整体。
一种顶管冻结系统的施工方法,包括:(一)开挖工作基坑,确定在工作基坑的一周一共需要36个普通顶管4,将所述36个普通顶管4按等距紧密排列,并对其进行编号;
(二)借助顶进设备产生的顶力,克服普通顶管4和周围土壤的摩擦力,将普通顶管4按照设计的坡度顶到土层中,根据编号将36个普通顶管4分为单号管道和双号管道,每个单号管道配置冻结管3、冻结配送装置5和测温线6,将冻结管3和冻结配送装置5通过测温线6连接相关的测温装置,每个双号普通顶管4配置循环管道和循环系统配送装置8,将每个双号管道内的循环管道和循环系统配送装置8对应连接;
(三)用连接管道7将普通顶管4连接;
(四)将其余的管道依次顶入,将土运出,将普通顶管4内的循环管道、冻结管3、冻结配送装置5、测温线6、连接管道7和循环系统配送装置8对应连接起来,形成一个稳定的空间,周边的连接管道7起到一个锚固和支撑的作用。
在有些实施例中:所述普通顶管的个数根据具体施工时需要确定,并非单指36个,所列36个普通顶管数值的确定仅仅是根据附图对该发明的进一步阐述。
本发明是这样实现的:
本发明一种顶管冻结系统及其施工方法,首先要开挖工作基坑,在工作基坑的一周一共需要N个普通顶管,具体普通顶管的数量根据基坑的大小确定,例如:实施例中的36,同时也可以使4、8、16、24、48等,N个普通顶管按等距紧密排列,并对其进行编号;然后借助顶进设备产生的顶力,克服管道和周围土壤的摩擦力,将普通顶管按照设计的坡度顶到土层中,其中每个单数普通顶管配置冻结管道,双数管配置循环管道,每个管道内都配置相应的线路。用连接设备(连接管道)将普通顶管连接。最后将其余的管道依次顶入,将土运出,将普通顶管内的管道连接起来,并连接相应的管线,形成一个稳定的空间,周边的连接管道起到一个锚固和支撑的作用。

Claims (6)

  1. 一种顶管冻结系统,其特征在于:包括循环管道、冻结管、普通顶管、冻结配送装置、测温线、连接管道和循环系统配送装置,所述循环管道包括进水管道和出水管道,所述普通顶管有N个,所述N个普通顶管通过连接管道依次围绕工作基坑连接一周,所述N个普通顶管上依次设有编号,所述编号将N个普通顶管分为单号管道和双号管道,所述单号管道内设有冻结管、冻结配送装置和测温线,所述冻结管和冻结配送装置通过测温线连接相关的测温装置,所述双号管道内设有循环管道和循环系统配送装置,所述循环管道与循环系统配送装置对应连接,所述普通顶管通过连接管道连接为一个整体并且用橡胶密封。
  2. 根据权利要求1所述的一种顶管冻结系统,其特征在于:所述N个普通顶管为大于二的偶数个。
  3. 根据权利要求1或2所述的一种顶管冻结系统,其特征在于:所述普通顶管数量为36个。
  4. 利用如权利要求1至3任一项所述的一种顶管冻结系统的施工方法,其特征在于:(一)开挖工作基坑,确定在工作基坑的一周一共需要N个普通顶管,将所述N个普通顶管按等距紧密排列,并对其进行编号;
    (二)借助顶进设备产生的顶力,克服管道和周围土壤的摩擦力,将普通顶管按照设计的坡度顶到土层中,根据编号将N个普通顶管分为单号管道和双号管道,每个单号管道配置冻结管、冻结配送装置和测温线,将冻结管和冻结配送装置通过测温线连接相关的测温装置,每个双号管道配置循环管道和循环系统配送装置,将每个双号管道内的循环管道和循环系统配送装置对应连接;
    (三)用连接管道将普通顶管连接;
    (四)将其余的管道依次顶入,将土运出,将普通顶管内的循环管道、冻结管、冻结配送装置、测温线、连接管道和循环系统配送装置对应连接起来,并连接相应的管线,形成一个稳定的空间,周边的连接管道起到一个锚固和支撑的作用。
  5. 根据权利要求4所述的一种顶管冻结系统的施工方法,其特征在于:所述普通顶管的选择,普通顶管一般选用钢筋混凝土管,如没有腐蚀性要求则可以选用钢管,钢筋混凝土管的规格设计,配筋设计和应力验算应当满足有关钢筋混凝土的标准和技术规程,特别是有关钢筋混凝土管的标准和技术规程。
  6. 根据权利要求4所述的一种顶管冻结系统的施工方法,其特征在于:所述一种顶管冻结系统在使用时,应当每天对冻结管道进行温度测量,当温度有明显的变化时,通过调节循环管道,来控制冻结管,使之平衡。
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