CN104280166B - Fu monitoring and early warning of rock and soil and water security status of a catheter assembly - Google Patents

Fu monitoring and early warning of rock and soil and water security status of a catheter assembly Download PDF

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Publication number
CN104280166B
CN104280166B CN 201410491091 CN201410491091A CN104280166B CN 104280166 B CN104280166 B CN 104280166B CN 201410491091 CN201410491091 CN 201410491091 CN 201410491091 A CN201410491091 A CN 201410491091A CN 104280166 B CN104280166 B CN 104280166B
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optical fiber
catheter body
side
catheter
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CN 201410491091
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Chinese (zh)
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CN104280166A (en )
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闫治国
朱合华
丁文其
杨成
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同济大学
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Abstract

本发明提供一种涉及岩土工程技术领域的监测预警岩土体赋水及安全状态的导管组件,包括:导管主体,导管主体上设有轴向通孔,导管主体上设有侧部凹槽,导管主体上设置有孔洞组;孔洞组包括若干个导管侧孔;光纤应力应变测量系统固定设置于相应的侧部凹槽中;孔隙水压力计和温度计插入于相应的导管侧孔中,且与导管侧孔固定连接,压力温度测量导线设置于轴向通孔中,孔隙水压力计和温度计分别与压力温度测量导线的一端连接;保护套筒设有中空内腔,导管主体插入于保护套筒的中空内腔中,保护套筒上设有套管侧孔,孔隙水压力计和温度计穿入于相应的所述套管侧孔中。 The present invention provides a technical field relates to geotechnical engineering monitoring and warning of rock and soil and water forming a safe state catheter assembly comprising: a catheter body, the catheter body is provided with an axial through hole, it is provided on the catheter body portion side groove , the catheter body is provided with a set of holes; hole group comprising a plurality of pipe-side bore; fiber stress-strain measurement systems fixed to the respective side recess portion; pore water pressure gauge and a thermometer inserted into the respective pipe-side bore, and fixedly connected to the pipe-side bore, pressure and temperature measurement in the axial through hole conductor disposed in pore water pressure gauge and thermometer were measured end of a wire connected to the pressure and temperature; protective sleeve provided with a hollow lumen, the catheter body is inserted into the protective sheath the hollow interior of the cylinder, the protective sleeve is provided on the sleeve side aperture, pore water pressure and temperature gauges in the respective side holes penetrating the sleeve. 本发明将多个装置布置在一个导管主体上,应用范围广。 The present invention is a plurality of devices are arranged on a catheter body, a wide range of applications.

Description

监测预警岩土体赋水及安全状态的导管组件 Fu monitoring and early warning of rock and soil and water security status of a catheter assembly

技术领域 FIELD

[0001]本发明涉及岩土工程技术领域,特别是涉及一种监测预警岩土体赋水及安全状态的导管组件。 [0001] The present invention relates to the technical field of geotechnical engineering, in particular, relates to a catheter assembly for monitoring and warning of rock and soil and water forming a safe state.

背景技术 Background technique

[0002]随着我国岩土体工程的大规模建设,研究岩土体压力、变形状态、岩土体内部的水广生的压力及石土体内部的温度是非常重要的。 [0002] With the large-scale construction of rock and soil engineering study rock and soil pressure, deformation state, temperature and pressure inside the stone soil water Guangsheng inside the rock mass is very important. 冋步、实时获得岩土体压力、变形状态、岩土体内部的水产生的压力及岩土体内部的温度信息对岩土体工程,尤其在隧道工程及基坑工程等领域的施工中极为重要。 Jiong step, in real time rock and soil pressure, temperature, pressure deformation state information inside the rock and soil and water produced inside the rock mass of rock and soil engineering, especially in the construction field of tunnel construction and excavation projects extremely important. 同步、实时的岩土体压力、岩土体变形量、岩土体内部的水产生的压力及岩土体内部的温度信息能够为塌方等事故提供预警,为安全施工提供保证。 Synchronization, pressure and temperature information in real time inside the rock mass of rock and soil pressure, deformation of the rock mass, the interior of the rock and soil water produced can provide early warning of landslides and other accidents, to provide guarantees for the safety of construction. [0003] 现有的技术条件下,岩土体压力、岩土体变形量、岩土体内部的水产生的压力及岩土体内部的温度这些指标的测量往往需要采用不同的仪器单独进行,不仅测点多、测试工作量大,且较难获得能够综合反映岩土体变形、应力及赋水状态等的同步、实时信息。 [0003] Under prior art conditions, measuring the temperature and pressure inside the rock mass rock mass pressure, the amount of deformation of rock and soil, rock and soil water generated inside of these indicators often require different instruments alone, not only multi-point measurement, test workload, and difficult to obtain can reflect synchronization, real-time information on rock mass deformation, stress and assigned status of water.

[0004] 如何设计一种简单实用的结构,能够同时采集岩土体压力和/或变形量状态,以及岩土体内部的水产生的压力和岩土体内部的温度信息是本领域技术人员需要解决的问题。 [0004] How to design a simple and practical construction, rock and soil can be collected simultaneously pressure and / or deformation state, and the temperature and internal pressure information gneiss rock and soil water generated inside the skilled person needs solved problem.

发明内容 SUMMARY

[0005] 鉴于以上所述现有技术的缺点,本发明解决的技术问题在于提供一种简单实用、 能够同时测量岩土体压力和/或岩土体变形量,以及岩土体内部的水产生的压力和岩土体内部的温度的监测预警岩土体赋水及安全状态的导管组件。 [0005] In view of the foregoing disadvantages of the prior art, the present invention is to solve the technical problem to provide a simple and practical, the pressure can be measured rock mass and the amount of deformation rock mass, water and / or inside the body while producing geotechnical the pressure and temperature inside the rock mass and the water forming catheter assembly security status monitoring and warning of rock and soil.

[0006] 为实现上述目的及其他相关目的,本发明提供一种监测预警岩土体赋水及安全状态的导管组件,包括:导管主体,所述导管主体为圆柱形,所述导管主体上设有与所述导管主体同轴的轴向通孔,所述导管主体的外圆周面上沿径向均匀设置有至少两个侧部凹槽, 所述导管主体的外圆周面上沿径向均匀设置有至少两个孔洞组;所述孔洞组包括若干个沿所述导管主体的轴向依次排列的导管侧孔,所述导管侧孔连通至所述轴向通孔;光纤应力应变测量系统,包括传输光纤、以及若干个光纤应力计和/或若干个光纤应变计,所述传输光纤、以及所述光纤应力计和/或所述光纤应变计均固定设置于相应的所述侧部凹槽中,所述光纤应力计和/或所述光纤应变计通过所述传输光纤串联连接;压力温度测量系统,包括若干个孔隙水压力计、若干个温度计和压力温度测 [0006] To achieve the above objects and other related objects, the present invention provides a safe state and water forming a catheter assembly for monitoring and warning of rock and soil, comprising: a catheter body, the catheter body is cylindrical, the catheter body is provided there are axial through hole coaxial with the catheter body, the catheter body radially outer circumferential surface provided with at least two sides uniform recesses, the outer circumferential surface of the catheter body uniform in the radial direction provided with at least two groups of holes; said set of holes comprises a plurality of pipe-side bore axially along the catheter body sequentially arranged, the catheter side hole communicating to said axial through hole; fiber stress-strain measurement system, comprising a transmission fiber, and a plurality of fiber optic strain gauges and / or a plurality of optical fiber strain gauge, said transmission optical fiber and the optical fiber strain gauges and / or the optical fiber gauge are fixed to a respective side portion of the recess in the optical fiber strain gauges and / or the fiber optic strain gauges connected in series through the transmission fiber; temperature pressure measurement system comprising a plurality of pore water pressure gauge, a thermometer, and a number of measured pressure and temperature 导线,所述孔隙水压力计和所述温度计分别插入于相应的所述导管侧孔中,且与所述导管侧孔固定连接,所述压力温度测量导线设置于所述轴向通孔中,所述孔隙水压力计和所述温度计分别与所述压力温度测量导线的一端连接;保护套筒,所述保护套筒为设有中空内腔的圆柱体,且所述保护套筒的前端设有开口,所述导管主体插入于所述保护套筒的中空内腔中,所述保护套筒的外圆周面上设有与所述导管侧孔相应的套管侧孔,所述套管侧孔连通至所述保护套筒的中空内腔中,所述孔隙水压力计和所述温度计分别穿入于相应的所述套管侧孔中。 Wire, the pore water pressure gauge and a thermometer are inserted in the respective side of the duct hole and fixedly connected to said catheter side hole, the pressure and temperature measurement wire disposed within said axial through hole, the pore water pressure gauge and thermometer were measured with the pressure and temperature of the end of the wire is connected; a protective sleeve, said protective sleeve is provided with the hollow interior of the cylinder, and the front end of the protective sleeve is provided an opening, provided with a respective side aperture of the catheter cannula is inserted into the side holes of the catheter body hollow interior of the protective sleeve, said protective sleeve outer circumferential surface, said bushing-side hole communicating to the hollow interior of the protective sleeve, the pore water pressure gauge and a thermometer are penetrating the respective side apertures in the sleeve. 1 1

[0007] 优选地,所述导管主体两端分别为管体前端和管体后端,所述导管主体的管体前端和管体后端的外表面上分别设有前端环形凹槽和后端环形凹槽,所述削铜环形凹槽和所述后端环形凹槽的中轴线均与所述导管主体的中轴线共线,所述前端环形凹槽和所述后端环形凹槽分别延伸至所述导管主体的管体前端和管体后端的端面;所述传输光纤包括至少两个直线型光纤部和至少一个弧线型光纤部,至少两个所述直线型光纤部通过相应的所述弧线型光纤部依次串联连接,所述直线型光纤部固定设置于相应的所述侧部凹槽中;当所述弧线型光纤部为一个时,所述弧线型光纤部固定设置于所述后端环形凹槽中;当所述弧线型光纤部大于等于两个时,所述弧线型光纤部固定设置于所述前端环形凹槽和所述后端环形凹槽中;所述光纤应力计和/或所述光纤应变计串接 [0007] Preferably, the catheter tube ends of the body are front and rear end of the tubular body, the outer surface of the catheter body and the distal end of the tubular body the rear end of the tubular body are provided with a front end and a rear annular ring groove groove, said annular groove cut copper axis and the rear end of the annular groove of the catheter body are in a collinear axis of the front end and the rear end of the annular groove extends to the annular groove, respectively, the distal end surface of the rear end of the tubular body and the tubular body of the catheter body; said transmission fiber includes at least two linear optical fiber portion and at least one curved optical fiber portion, said at least two linear portions by respective said optical fiber arc-type optical fiber portions sequentially connected in series, the straight optical fiber portion fixed to a respective side portion of the groove; when the arc is a portion of optical fiber, said optical fiber portion arc fixed to the rear end of the annular groove; when the arc is greater than equal to two optical fiber portions, the arc-type optical fiber portion fixed to the front end of the annular groove and the rear annular groove; the said fiber optic strain gauges and / or the optical fiber strain gauge in series 于所述直线型光纤部上。 On the linear portion of the optical fiber.

[0008] 进一步地,所述压力温度测量导线的另一端穿出所述导管主体的管体前端,所述导管主体的管体后端为密封设计。 [0008] Further, the pressure and temperature measuring tube distal end of the wire to the other of said piercing catheter body, the catheter body is designed to seal the rear end of the tubular body.

[0009] 优选地,所述传输光纤固定设置于所述侧部凹槽的槽底面上。 [0009] Preferably, the transmission fiber is fixed to the side surface of the groove bottom of the groove.

[0010] 优选地,所述光纤应力计和/或所述光纤应变计处于所述侧部凹槽内部。 [0010] Preferably, the optical fiber strain gauges and / or the optical fiber strain gauge in a portion of the inner side of the groove.

[0011] 优选地,所述孔隙水压力计的靠近所述保护套筒的面上的最外侧的端点与所述保护套筒的中轴线之间的垂直距离等于所述保护套筒的外圆周面的半径;所述温度计的靠近所述保护套筒的面上的最外侧的端点与所述保护套筒的中轴线之间的垂直距离等于所述保护套筒的外侧面的半径。 [0011] Preferably, the pore water pressure gauge near the outermost end of the protective sleeve and the surface of the vertical distance between the axis of the protection sleeve is equal to the outer circumference of the protective sleeve radius surface; vertical distance between the endpoints of the adjacent outermost surface of the protective sleeve thermometer the protective sleeve axis is equal to the radius of the outer side surface of the protective sleeve.

[0012] 优选地,相邻的两个所述侧部凹槽之间设置至少一个所述孔洞组。 [0012] Preferably, a groove is provided between adjacent two of said side portions of said at least one group of holes.

[0013] 优选地,所述的监测预警岩土体赋水及安全状态的导管组件还包括:数据采集器, 所述数据采集器与所述压力温度测量导线连接;所述光纤应力应变测量系统还包括光纤接线,所述传输光纤通过所述光纤接线与所述数据采集器连接。 [0013] Preferably, the monitoring and warning of rock and soil and water, forming the security status of a catheter assembly further comprising: a data logger, the data collector with the pressure temperature measurement wire connection; stress-strain measurement system of the optical fiber further comprising an optical fiber cable, the transmission fiber via the optical fiber connection to the data collector.

[0014] 如上所述,本发明所述的监测预警岩土体赋水及安全状态的导管组件,具有以下有益效果: [0014] As described above, monitoring and warning of rock and soil and water, forming the security status of the catheter assembly of the present invention has the following advantages:

[0015] (1)本发明的导管主体上设置光纤应力计和/或光纤应变计,以及孔隙水压力计和温度计,光纤应力计、光纤应变计、孔隙水压力计和温度计能够分别测量侧部凹槽的槽底面沿导管轴向的应力、侧部凹槽的槽底面沿导管轴向的应变量、岩土体内部水压力和岩土体温度;这些同步得到的数据分别能够实时反映出岩土体应力、变形的发展变化状态及趋势、 以及岩土体内部赋水状态及发展趋势和岩土体温度情况,为判别工程施工过程中岩土体的安全状态提供关键参数; [0015] (1) is provided on the catheter body according to the present invention, an optical fiber strain gauges and / or optical fiber strain gauge, and the pore water pressure gauge and a thermometer, the optical fiber strain gauges, fiber optic strain gauge, a thermometer and pore water pressure gauge capable of measuring the respective side portions the bottom surface of the groove axial stress along the conduit, the conduit along the bottom face side of the axial strain of the groove, the internal water pressure of rock and soil and rock and soil temperature; these synchronization data are obtained in real time reflecting the rock internal soil stress, change of status and trends of development of deformation, as well as rock and soil water status and trends Fu and rock and soil temperature, provide key parameters to determine the security status of the construction process in rock and soil;

[0016] (2)本发明将光纤应力计和/或光纤应变计,以及孔隙水压力计和温度计布置在一个导管主体上,能够实现多参数同步测试预警岩土体内部的情况,省去了将这些装置分别钻孔、埋设的工作; [0016] (2) according to the present invention, the optical fiber strain gauges and / or optical fiber strain gauge, and the case of pore water pressure and temperature gauges disposed on a catheter body, it is possible to test the internal synchronous multi-parameter warning rock mass, eliminating these devices are drilled, embedded work;

[0017] (3)本发明的导管组件的埋设方法与普通小导管埋设几乎相同,操作简单,可重复利用; [0017] The embedding process (3) of the catheter assembly of the present invention, the tube is embedded with almost the same common, simple, reusable;

[0018] (4)本发明的导管组件应用范围广,可应用于隧道工程中的超前地下水预报及塌方监测预警、以及基坑工程中的地下水与地层变形监测预警等领域。 [0018] (4) The catheter assembly of the present invention, a wide range of applications, can be used in advanced groundwater monitoring and warning forecast and collapse of the tunnel construction, deformation monitoring and warning Foundation Engineering groundwater formation and the like.

附图说明 BRIEF DESCRIPTION

[0019]图1显示为本发明的监测预警岩土体赋水及安全状态的导管组件没有设置保护套筒的结构示意图。 [0019] Figure 1 shows the present invention, monitoring and warning of rock and soil and water forming a safe state structural diagram of the catheter assembly of the protective sleeve is not provided.

[0020]图2显示为本发明的监测预警岩土体赋水及安全状态的导管组件的导管主体的主视结构示意图。 [0020] FIG. 2 shows a schematic front view of the structure of the catheter body monitoring and warning of rock and soil and water, forming the security status of the catheter assembly of the present invention.

[0021]图3显示为本发明的监测预警岩土体赋水及安全状态的导管组件的导管主体的俯视结构不意图。 [0021] FIG. 3 shows a top view of the structure of the catheter body forming rock and soil water monitoring and warning and safety catheter assembly of the present state of the invention is not intended.

[0022]图4显示为本发明的监测预警岩土体赋水及安全状态的导管组件的导管主体插入于保护套筒中的侧视结构示意图。 [0022] FIG. 4 shows the present invention, monitoring and warning of rock and soil and water, forming the security status catheter body of the catheter assembly is inserted into the sleeve in a schematic side view of the protective structure.

[0023]图5显示为本发明的监测预警岩土体赋水及安全状态的导管组件的孔隙水压力计和温度计与压力温度测量导线连接的结构示意图。 [0023] Figure 5 shows the pore water pressure monitoring and warning of rock and soil and water, forming the security status of the catheter assembly of the present invention and a thermometer, and pressure and temperature measurement wire connection structure diagram.

[0024]图6显示为本发明的监测预警岩土体赋水及安全状态的导管组件的传输光纤的结构示意图。 [0024] FIG. 6 shows a schematic view of an optical fiber transmission monitoring and warning of rock and soil and water, forming the security status of the catheter assembly of the present invention.

[0025]图7显示为本发明的监测预警岩土体赋水及安全状态的导管组件的保护套筒的结构示意图。 [0025] Figure 7 shows a schematic view of rock and soil forming the water monitoring and warning and safety status of the protective sleeve of the catheter assembly of the present invention.

[0026]图8显示为本发明的监测预警岩土体赋水及安全状态的导管组件应用于隧道工程的示意图。 [0026] Figure 8 shows warning monitoring rock and soil forming the catheter assembly of the present invention and the water safe state schematic Tunnel applied.

[0027]图9显示为本发明的监测预警岩土体赋水及安全状态的导管组件应用于基坑工程的示意图。 [0027] Figure 9 shows a schematic view of rock and soil forming the water monitoring and warning status and safety catheter assembly of the present invention is applied to the foundation pit.

[0028] 附图标号说明 [0028] Reference numerals

[0029] 1〇〇导管主体 [0029] The catheter body 1〇〇

[0030] 110 轴向通孔 [0030] The axial through hole 110

[0031] 120 侧部凹槽 [0031] The side recesses 120

[0032] 121 槽底面 [0032] 121 bottom surface

[0033] 130 孔洞组 [0033] 130 set of holes

[0034] 131 导管侧孔 [0034] The pipe-side bore 131

[0035] 141 前端环形凹槽 [0035] The front end of the annular groove 141

[0036] 142 后端环形凹槽 [0036] The rear end of the annular groove 142

[0037] 200 光纤应力应变测量系统 [0037] The stress-strain measurement optical system 200

[0038] 210 传输光纤 [0038] 210 of the transmission fiber

[0039] 211 直线型光纤部 [0039] 211 linear optical fiber portion

[0040] 2111 起始直光纤 [0040] 2111 starting straight fiber

[0041] 2112 第一中间直光纤 [0041] 2112 of the first intermediate optical fiber straight

[0042] 2113 第二中间直光纤 [0042] The second intermediate straight fiber 2113

[0043] 2114 终结直光纤 [0043] Direct optical fiber end 2114

[0044] 212 弧线型光纤部 [0044] 212 arc-type optical fiber section

[0045] 220 光纤应力计 [0045] The optical fiber strain gauge 220

[0046] 230 光纤应变计 [0046] The optical fiber strain gauge 230

[0047] 240 光纤接线 [0047] 240 fiber patch

[0048] 300 压力温度测量系统 [0048] Temperature 300 Pressure Measurement System

[0049] 310 孔隙水压力计 [0049] The pore water pressure gauge 310

[0050] 311 孔隙水压力计的靠近保护套筒的面 [0050] The pore water pressure gauge 311 near the surface of the protective sleeve

[0051] 320 温度计 [0051] The thermometer 320

[0052] 321 孔隙水压力计的靠近保护套筒的面 [0052] The pore water pressure gauge 321 near the surface of the protective sleeve

[0053] 330 压力温度测量导线 [0053] The pressure and temperature measurement leads 330

[0054] 400 数据采集器 [0054] The data collector 400

[0055] 500 保护套筒 [0055] The protection sleeve 500

[0056] 510 开口 [0056] 510 opening

[0057] 520 套管侧孔 [0057] The sleeve side aperture 520

[0058] 530 密封端面 [0058] Seals 530

[0059] 20 險道; [0059] 20 dangerous road;

[006°] 21 隧道掌子面 [006 °] 21 tunnel face

[GG61] 22 隧道的岩土体 [GG61] Rock tunnel 22

[0062] 30 基坑 [0062] Foundation 30

[0063] 31 基坑周边的岩土体 [0063] 31 surrounding rock and soil foundation

具体实施方式 detailed description

[0064] 以下由特定的具体实施例说明本发明的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。 [0064] The following examples illustrate embodiments of the present invention consists of certain specific, those skilled in the art disclosed in this specification may be readily understand the content of other advantages and effects of the present invention.

[0065]请^阅附图。 [0065] Please read ^ drawings. 须知,本说明书所附图式所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。 Information, the accompanying drawings of the present specification, the structure illustrated, the ratio, size, etc., are only used to fit the contents disclosed in the specification, for those skilled in the art reading and understanding, not intended to limit the present invention may be implemented defined conditions, it has not technically meaningful, modified, altered, or the ratio between the size of the adjustment of any structure, in the object without affecting the efficacy of the present invention can be produced and can be achieved, according to the present invention shall still fall within the scope of the technical contents disclosed enough to be covered. 同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间,,及“一,,等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。 Meanwhile, cited in this specification as "upper", "lower", "left", "right", "intermediate ,, and" a term like ,, also clear convenience of description only and not for limit the scope of the present invention may be practiced, to change or adjust their relative relationships, no substantial changes in the technical content, the category may be considered also when the embodiment of the present invention.

[0066]如图1、图2、图4和图7所示,本实施例的监测预警岩土体赋水及安全状态的导管组件包括:导管主体100、光纤应力应变测量系统200、压力温度测量系统300和保护套筒500; [0067]导管主体100,导管主体100为圆柱形,导管主体1〇〇两端分别为管体前端和管体后端,导管主体100上设有轴向通孔110,轴向通孔110的中轴线与导管主体10〇的中轴线共线, 该轴向通孔110延伸至管体前端,管体后端为密封设计; [0066] As shown in FIG 1, FIG 2, FIG. 4 and FIG. 7, the present embodiment monitoring and warning of rock and soil and water-imparting embodiment security status catheter assembly comprising: 100, Fiber stress-strain measurement system 200 of the catheter body, pressure and temperature measurement system 300 and the protection sleeve 500; [0067] the catheter body 100, a cylindrical catheter body 100, 1〇〇 both ends of the catheter body distal end and the tubular body are tubular body rear end, an axial conduit 100 through the body hole 110, the axis of the catheter body 10〇 axial through hole 110 in a collinear axis, the axial bore 110 extends to the front end of the tubular body, the tubular body designed to seal the rear end;

[0068]导管主体100的外圆周面上沿径向均匀设置有至少两个侧部凹槽120,导管主体100的外圆周面上沿径向均匀设置有至少两个孔洞组130; An outer circumferential surface [0068] of the catheter body 100 uniformly radially disposed recesses with at least two side portions 120, an outer circumferential surface of the catheter body 100 is provided with a radially uniform at least two sets of holes 130;

[0069]孔洞组130包括若干个沿导管主体1 〇〇的轴向依次排列的导管侧孔丨3丨,导管侧孔131连通至轴向通孔110。 [0069] The pipe-side bore 130 includes a set of a plurality of holes along the catheter body 1 thousand and axially sequentially arranged Shu Shu 3, the pipe-side bore 131 communicates to the axial bore 110.

[0070]光纤应力应变测量系统200,包括传输光纤210、以及若干个光纤应力计220和/或若干个光纤应变计230,传输光纤210、以及若干个光纤应力计220和/或若干个光纤应变计230均固定设置于相应的所述侧部凹槽120中,若干个光纤应力计220和/或若干个光纤应变计230通过传输光纤210串联连接;传输光纤210固定设置于侧部凹槽12〇的槽底面121上; [0071] 本实施例中,传输光纤210涂上胶水固定设置于相应的侧部凹槽120中。 [0070] The fiber stress-strain measurement system 200, 210, and a plurality of optical fiber stress comprising transmission fiber count 220 and / or a plurality of optical fiber strain gauge 230, a transmission fiber 210, and a plurality of fiber optic strain gauges 220 and / or a plurality of optical fiber strain gauge 230 are fixed to a respective portion of the side groove 120, a plurality of fiber optic strain gauges 220 and / or several optical fiber strain gauge 230 is connected in series through the transmission fiber 210; transmission optical fiber 210 is fixed to the side portion of the recess 12 is provided the bottom surface 121 of the square; [0071] in this embodiment, the transmission optical fiber 210 fixed to apply glue in a respective groove portion 120 side.

[0072]压力温度测量系统300包括若干个孔隙水压力计310、若干个温度计320和压力温度测量导线330,孔隙水压力计310和温度计320分别插入于相应的导管侧孔131中,且与导管侧孔131固定连接,压力温度测量导线330设置于轴向通孔110中,每个孔隙水压力计310 与压力温度测量导线330的一端连接,每个温度计320与压力温度测量导线330的一端连接。 [0072] The pressure and temperature measurement system 300 comprises a number of pore water pressure gauge 310, a thermometer 320 and a plurality of pressure and temperature measurement leads 330, 310 and the pore water pressure thermometers 320 are respectively inserted into the respective side holes 131 in the catheter, and the catheter side hole 131 is fixedly connected, pressure and temperature measurement leads 330 disposed in the axial through hole 110, 310 of each pore water pressure measurement end of the wire 330 is connected to pressure and temperature, the thermometer 320 measures each end of the wire 330 is connected to pressure and temperature . [0073] 保护套筒500为设有中空内腔的圆柱体,且保护套筒500的前端设有开口510,导管主体100插入于保护套筒500的中空内腔中,保护套筒500的外圆周面上设有与导管侧孔131 相应的套管侧孔520,套管侧孔520连通至所述保护套筒500的中空内腔中,孔隙水压力计310穿入于相应的套管侧孔520中,温度计320穿入于相应的套管侧孔520中。 [0073] The protective sleeve 500 is provided with the hollow interior of the cylinder, and the front end of the protective sleeve 500 is provided with an opening 510, the catheter body 100 is inserted into the protective hollow interior of the sleeve 500, the protective outer sleeve 500 circumferential surface is provided with a catheter side holes 131 corresponding to the side hole 520 of the sleeve, the sleeve side aperture 520 communicating to the hollow interior protective sleeve 500, the pore water pressure gauge 310 penetrates the respective side of the sleeve bore 520, thermometer 320 penetrate the respective side holes 520 in the sleeve.

[0074] 导管主体100的侧部凹槽120放置光纤应力应变测量系统200,传输光纤210固定设置于导管主体100的相应的侧部凹槽120中,光纤应力计220和/或光纤应变计230通过传输光纤210串联连接,光纤应力计220和/或光纤应变计230沿导管轴向固定于侧部凹槽120的槽底面121上;导管侧孔131用于放置孔隙水压力计310和温度计320,孔隙水压力计310和温度计320均依次穿入相应的导管侧孔131和套管侧孔520,且与导管侧孔131固定连接,轴向通孔110是放置压力温度测量导线330的通道。 [0074] The catheter body 120 side portion of the recess 100 is placed fiber stress-strain measurement system 200, a transmission optical fiber 210 fixed to the respective side of the catheter body portion 120 of the recess 100, the optical fiber strain gauges 220 and / or the optical fiber strain gauge 230 210 connected in series through a transmission fiber, the optical fiber strain gauges 220 and / or the optical fiber strain gauge 230 is axially fixed to the bottom surface of the catheter 121 side portion of the recess 120; 131 pipe-side bore 310 for placing the pore water pressure and a thermometer 320 , pore water pressure gauge 310 and the thermometer 320 are penetrated into the respective conduits 131 and the sleeve side aperture side hole 520, and 131 is fixedly connected to the pipe-side bore, axial through hole 110 is placed pressure-temperature measurement channel 330 leads.

[0075] 导管主体100插入于保护套筒500的中空内腔中,保护套筒500用于保护导管主体100的内部结构。 [0075] The catheter body 100 is inserted into the hollow interior of the sleeve 500 is protected, the protective sleeve 500 for protecting the internal structure of the catheter body 100.

[0076] 光纤应力计220用于测量导管主体100的侧部凹槽120的槽底面121的应力,光纤应变计230用于测量导管主体100的侧部凹槽120的槽底面121的应变量,通过获得导管主体100侧部凹槽底面121的应力及应变,可以计算获得导管主体100沿轴向的三维内力分布,进而反映出岩土体内部的变形状态及发展趋势。 [0076] 220 optical fiber strain gauge for measuring strain of the catheter body 121 side portion of the groove bottom surface 120 of the recess 100, the optical fiber strain gauge 230 for a side portion of the recess 100 strain measuring tube bottom surface 121 of the body 120, by obtaining the catheter body 100 side portion of the bottom surface of the recess 121 of stress and strain can be obtained by calculation of the catheter body 100 in the axial direction of the three-dimensional distribution of the internal forces, and the deformed state reflects the further development trend of internal rock and soil. 孔隙水压力计310用于测量岩土体内部水压力,岩土体内部水压力反映出岩土体内部的水产生的压力。 Pore ​​water pressure gauge 310 for measuring the water pressure inside the rock and soil, rock and soil reflects the internal water pressure inside the water pressure in the rock mass produced. 温度计320用于测量岩土体温度,岩土体温度反映出岩土体内部的温度。 Thermometer 320 for measuring the temperature of the rock and soil, rock and soil temperature reflects the temperature of the inside of the rock mass.

[0077] 本发明将光纤应力计220、光纤应变计230、孔隙水压力计310和温度计320布置在一个导管主体100上,省去了将这些装置分别钻孔、埋设的工作;本发明的导管组件的埋设与普通小导管埋设几乎相同,操作简单,可重复利用。 [0077] The present invention is an optical fiber strain gauge 220, the optical fiber strain gauge 230, 310 and the pore water pressure thermometer 320 arranged on a catheter body 100, these devices are omitted drilling work embedded; catheter of the present invention. the tube is embedded with the common embedded almost the same components, the operation is simple, reusable.

[0078] 本实施例中,侧部凹槽120的数量为四个,孔洞组130的数量为四个,每个孔洞组130中导管侧孔131的数量为三个,导管侧孔131的总数量为十二个。 [0078] In this embodiment, the number of lateral groove portion 120 is four, the number of groups of holes 130 is four, the number of each group of holes 130 in the catheter side hole 131 is three, a total catheter side hole 131 number twelve.

[0079] 本实施例中,孔隙水压力计310和温度计320的总数量与导管侧孔131的总数量相应,导管侧孔131的总数量为十二个,每个导管侧孔131固定设置相应的孔隙水压力计310或者温度计320。 [0079] In this embodiment, the total amount of pore water pressure gauge 310 and the thermometer 320 and the total number of side holes 131 of the respective conduits, the total number of catheter side holes 131 is twelve, each conduit 131 fixed to a respective side aperture the pore water pressure gauge or thermometer 310 320. 在导管主体100的同一径向截面上孔隙水压力计31〇和温度计320的总数量为四个,实现在同一径向截面上多角度测量。 On the same radial section of the catheter body 100 and the pore water pressure gauge 31〇 total number of four thermometers 320, multi-angle measurements on the same radial section.

[OOSO]如图1、图3和图6所示,导管主体100的管体前端和管体后端的外表面上分别设有前端环形凹槽141和后端环形凹槽142,前端环形凹槽141和后端环形凹槽142的中轴线均与导管主体100的中轴线共线,前端环形凹槽141和后端环形凹槽142分别延伸至导管主体100 的管体前端和管体后端的端面;传输光纤21〇包括至少两个直线型光纤部211和至少一个弧线型光纤部212,至少两个直线型光纤部211通过相应的弧线型光纤部212依次串联连接;直线型光纤部211固定设置于相应的侧部凹槽120中,当所述弧线型光纤部212为一个时,所述弧线型光纤部212固定设置于所述后端环形凹槽142中;当所述弧线型光纤部212大于等于两个时,所述弧线型光纤部212固定设置于所述前端环形凹槽141和所述后端环形凹槽142 中;所述光纤应力计220和/或所述光纤应变计230串接于所述直线型光纤部211上。 [OOSO] As shown in FIG 1, and FIG. 3, the outer surface of the tube body and the tube distal the rear end of the catheter body 100 in FIG. 6 are respectively provided with a front end annular groove 141 and a rear annular groove 142, the front end of the annular groove axis 141 and the rear end of the annular groove 142 are collinear with the central axis of the catheter body 100, distal end 141 and a rear annular groove extending into the annular groove 142 and the distal end surface of the tube rear end of the tubular body 100 of the catheter body ; 21〇 transmission fiber comprises at least two straight portions 211 and at least one optical fiber type optical fiber arc portion 212, the at least two linear optical portion 211 is connected by respective fiber optic arc portion 212 in series; linear optical fiber portion 211 fixed to the respective side of the groove 120, when the arc portion 212 is a type of optical fiber, said optical fiber arc portion 212 fixed to the rear end of the annular groove 142; when the arc when the linear portion 212 is greater than equal to two optical fibers, the optical fiber arc portion 212 fixed to the front end and the rear end of the annular groove 141 in the annular groove 142; the optical fiber strain gage 220 and / or said fiber optic strain gauge 230 connected in series with the linear portion 211 optical fiber.

[0081]本发明的侧部凹槽120、光纤应力计220、光纤应变计23〇、孔隙水压力计310和温度计32〇的数目和位置可根据实际情况确定,以满足工程实际应用。 [0081] The side groove 120 of the present invention, the optical fiber strain gauge 220, the optical fiber strain gauge 23〇, the number and location of the pore water pressure gauge and a thermometer 32〇 310 may be determined according to the actual situation, in order to meet practical application.

[0082]本实施例中,直线型光纤部211的数量与侧部凹槽120的数量相等,直线型光纤部211的数量为四个,四个直线型光纤部Ml分别为依次为起始直光纤2111、第一中间直光纤2112、第二中间直光纤2113和终结直光纤2114,弧线型光纤部M2的数量为三个,起始直光纤2111的后端和第一中间直光纤2112的后端、第一中间直光纤2112的前端和第二中间直光纤2113的前端、第二中间直光纤2113的后端和终结直光纤2114的后端均通过相应的弧线型光纤部212连接,使起始直光纤2111、第一中间直光纤2112、第二中间直光纤2113和终结直光纤2114依次串联连接。 [0082] In this embodiment, the number of linear grooves and the side portion 211 of the optical fiber is equal to the number 120, the number of linear optical portion 211 is four, four linear-type optical fiber portions are sequentially starting Ml linear optical fiber 2111, a first intermediate straight optical fiber 2112, a second intermediate straight optical fiber 2113 and a straight end 2114, the number of curved optical fiber portion M2 is three, a straight rear end of the optical fiber 2111 and the start of the first optical fiber 2112 intermediate linear the rear end, the front end of the first intermediate and second intermediate straight straight distal optical fiber 2112 2113, and a second intermediate straight rear end the rear end of the straight fiber the optical fiber 2113 2114 average corresponding arc portion 212 is connected by a fiber-optic, the starting straight fiber 2111, a first intermediate straight optical fiber 2112, a second intermediate straight optical fiber 2113 and a straight end 2114 connected in series.

[0083]三个弧线型光纤部212中的其中两个弧线型光纤部M2处于后端环形凹槽142中, 三个弧线型光纤部212中的另一个弧线型光纤部212处于前端环形凹槽141中。 [0083] The three arc-type optical fiber section 212 in which two arc-type optical fiber in a rear end portion of the annular groove M2 142, three arc-type optical fiber of another type arc portion 212 of the optical fiber unit 212 is the front end of the annular groove 141. 弧线型光纤部212的长圆弧线2121的圆心与导管主体1〇〇的圆心同心。 Long optical fiber portion curved arcuate center line 212 of the catheter body 2121 is concentric with the center of 1〇〇.

[0084]本实施例中,光纤应力应变测量系统200,包括传输光纤210、光纤应力计220和光纤应变计23〇,光纤应力计220和光纤应变计230通过传输光纤210串联连接;传输光纤210固定设置于侧部凹槽120的槽底面121上;四个直线型光纤部211上设置的光纤应力计220和光纤应变计230的总数量为十六个,每个直线型光纤部2u上设置的光纤应力计22〇和光纤应变计230的总数量为四个。 [0084] In this embodiment, the fiber stress and strain measurement system 200, comprising a transmission optical fiber 210, fiber 220 and the optical fiber strain gauges 23〇 strain gauge, optical strain gauges 220 and 210 are connected in series through the optical transmission optical fiber strain gauge 230; 210 transmission optical fiber fixed to the bottom surface of the side portion 121 of the recess 120; stress fibers disposed on the four linear-type optical portion 211 and the optical fiber strain gauge 220 of the total number of sixteen 230 is provided on each of the linear optical fiber portion 2u 22〇 fiber strain gauges and optical fiber strain gauge 230 is the total number of four.

[0085]直线型光纤部211、光纤应力计220和光纤应变计230设置于侧部凹槽120中,三个弧线型光纤部212分别设置于相应的前端环形凹槽141和后端环形凹槽M2中,使整个传输光纤210卡在导管主体100上,防止传输光纤210移动。 [0085] linear optical fiber 211, the optical fiber strain gauges and optical strain gauge 220 is provided to the side portion 230 of the recess 120, three arc-type optical portion 212 are respectively provided at the front end of a respective annular groove 141 and a rear annular recess groove M2, the entire card transmission fiber 210 on the catheter body 100, to prevent movement of the transmission fiber 210. 在导管主体1〇〇的同一径向截面上光纤应力计220和光纤应变计230的总数量为四个,实现在同一径向截面上多角度测量。 In the same radial cross section of the catheter body 1〇〇 fiber strain gage 220 and the optical fiber strain gauge 230 is the total number of four, multi-angle measurements on the same radial cross-section.

[0086]如图1和图7所示,压力温度测量导线33〇的另一端穿出导管主体100的管体前端。 [0086] As shown in FIG. 1 and FIG. 7, the other end of the wire measuring pressure and temperature of 33〇 piercing catheter body distal end 100 of the tubular body. 保护套筒5〇〇包括套筒底壁和围绕在套筒底壁周边并由此向下延伸的套筒侧壁,保护套筒500的前端设有开口510。 5〇〇 protective sleeve includes a sleeve surrounding the bottom wall and the side wall of the sleeve surrounding the sleeve and a bottom wall extending downwardly therefrom, the front end of the protection sleeve 500 is provided with an opening 510.

[0087]导管主体100的管体后端从保护套筒500的前端的开口510插入于保护套筒500的中空内腔中,导管主体100的管体前端与保护套筒5〇〇的前端相应,压力温度测量导线330的另一端依次穿出导管主体100的管体前端和保护套筒5〇〇的开口510,与数据采集器400连接。 [0087] The rear end of the catheter body tube 100 is inserted from the opening 510 of the front end of the protection sleeve 500 to protect the hollow interior of the sleeve 500, the distal end of the tubular body distal protective sleeve 5〇〇 catheter body 100 corresponding to , the other end of the pressure and temperature measurements sequentially piercing wire 330 connected to the catheter body 400 and the front end opening 510 of the protective sleeve 5〇〇 100, and data acquisition. 导管主体100的管体后端为密封设计,该密封设计为导管主体100的管体后端为密封端面530,密封端面530用于防止岩土体中的地下水和岩土颗粒从导管主体1〇〇的管体后端进入导管主体100的轴向通孔110中。 The rear end of the catheter body tube 100 is designed to seal, the seal design for the rear end of the catheter body 100 is a tube seal face 530, seal face 530 for preventing the rock and soil and ground water particles from the catheter body 1〇 geotechnical the rear end of the tubular body into the square of the catheter body 100 through the axial hole 110.

[0088]如图1、图4、图5和图7所示,孔隙水压力计:310的靠近保护套筒500的面311上的最外侧的端点与保护套筒5〇0的中轴线之间的垂直距离等于保护套筒500的外侧面的半径。 [0088] As shown in FIG. 1, 4, 5, and 7, the pore water pressure gauge: 310 near the outermost surface 311 on the protective sleeve and the protective sleeve end 500 of the central axis of 5〇0 the vertical distance between the outer side surface of radius equal to the protection sleeve 500. 温度计3加的靠近保护套筒500的面:321上的最外侧的端点与保护套筒500的中轴线之间的垂直距离等于保护套筒500的外侧面的半径。 Thermometer was added 3 adjacent surface of the sleeve 500 of the protection: the vertical distance between the center axis 321 on the outermost end of the protection sleeve 500 is equal to the radius of the outer side surface of the protection sleeve 500.

[0089]孔隙水压力计310和温度计320均不穿出保护套筒500的套管侧孔520,该结构使孔隙水压力计31〇和温度计320既能够测量岩土体内部水压力和岩土体温度,又不会被岩土体碰擦,避免造成孔隙水压力计310和温度计320的损坏。 [0089] The pore water pressure gauge 310 and the thermometer 320 are not piercing the sleeve side aperture 520 of the protection sleeve 500, so that the structure and the pore water pressure gauge 31〇 320 thermometer capable of measuring both the internal water pressure of rock and soil and geotechnical body temperature, but it will not be grazing rock and soil, to avoid damage to the pore water pressure gauge 310 and the thermometer 320.

[0090]如图1和图2所示,相邻的两个侧部凹槽120之间设置至少一个孔洞组130。 [0090] As shown in FIGS. 1 and 2, at least one set of apertures 130 between the two side portions 120 adjacent the groove. 孔洞组130设置于导管主体100的外圆周面上的没有设置侧部凹槽120的部分,本实施例中,相邻的两个侧部凹槽120之间设置一个孔洞组130,使相邻两个孔洞组130分隔一定的距离,由于本实施例中孔洞组130为四个,且四个孔洞组130均匀布置于导管主体100上,相邻两个孔洞组13〇之间的夹角为90度,该角度使插入于孔洞组130的导管侧孔131中设置的孔隙水压力计310和温度计320分布均匀,不易碰擦,保证了测量的正常进行。 Cavity group 130 is disposed on an outer circumferential surface of the catheter body portion 120 is not provided in the side portion of the recess 100, in this embodiment, is provided a set of apertures 130 between two side portions 120 of adjacent grooves, adjacent group two holes 130 spaced a certain distance, due to the embodiment of the present embodiment aperture 130 is a set of four, and the four groups of holes 130 uniformly arranged on the catheter body 100, the angle between two adjacent holes is set 13〇 90 degrees, the angle of the insertion hole group in the side hole 131 of the catheter 130 is provided in the pore water pressure gauge 310 and the thermometer 320 evenly distributed, grazing difficult to ensure the normal measuring.

[0091]如图1和图6所示,监测预警岩土体赋水及安全状态的导管组件还包括:数据采集器400,数据采集器400与压力温度测量导线330连接;光纤应力应变测量系统200还包括光纤接线240,传输光纤210通过所述光纤接线240与数据采集器400连接。 As shown in [0091] FIGS. 1 and 6, monitoring and warning of rock and soil and water forming a safe state catheter assembly further comprising: a data collector 400, data collector 400 measures the temperature of the wire 330 is connected to the pressure; fiber stress-strain measurement system terminal 200 further includes an optical fiber 240, optical transmission fiber 210 through the wiring 240 and the data collector 400 is connected.

[0092]孔隙水压力计310和温度计320通过压力温度测量导线330与数据采集器400连接, 传输光纤21〇与数据采集器400连接,数据采集器400连续、及时地收集侧部凹槽120的槽底面U1的应力和/或侧部凹槽12〇的槽底面121的应变量,以及岩土体内部水压力和岩土体温度数据。 [0092] The pore water pressure gauge 310 and the thermometer 320 measure the pressure and temperature through leads 330 and 400 connected to data acquisition, 21〇 transmission fiber 400 connected to the data acquisition, the data acquisition unit 400 continuously, timely collection-side portion of the recess 120 U1 groove bottom surface stress and strain / or the bottom surface 121 of the side portion of the recess 12〇, and the internal water pressure and body temperature data gneiss rock and soil.

[0093]如图1、图7和图8所示,将本发明应用于隧道工程中,隧道工程施工中,将本发明的导管主体100插入于保护套筒5〇0中,导管主体100上安装有光纤应力应变测量系统200和压力温度测量系统300,带有保护套筒5〇〇的导管主体100从隧道20的隧道掌子面21,插入于隧道的岩土体22中,本发明可预先测量掌子面前方岩土体内部的赋水状态及温度,并在隧道掌子面开挖过程中,实时监测岩土体的变形及发展状态,为评估预测岩土体的安全状态提供依据。 [0093] FIGS. 1, 7 and 8, the present invention is applied to the tunnel construction, tunnel construction, the catheter body of the present invention is inserted into the protection sleeve 100 5〇0, the catheter body 100 an optical fiber mounted stress-strain measurement system 200 and the pressure and temperature measurement system 300, the catheter body 100 with a protective sleeve 5〇〇 from the working face 21 of the tunnel the tunnel 20, is inserted into the tunnel rock mass 22, the present invention can be previously measuring the internal working face forming the front of the rock and soil water condition and temperature, and the tunnel face excavation process, the deformation state of development and real-time monitoring rock and soil in the tunnel to provide a basis for assessing the security state of the prediction of rock and soil .

[0094]如图i、图7和图9所示,将本发明应用于基坑工程中,将本发明的导管主体100插入于保护套筒500中,导管主体1〇〇上安装有光纤应力应变测量系统200和压力温度测量系统300,带有保护套筒5〇0的导管主体1〇〇插入于处于基坑周边的岩土体31中。 [0094] As shown in FIG i, 7 and 9, the present invention is applied to foundation pit, the catheter body 100 of the present invention is inserted in the protective sleeve 500, the optical fiber is attached to the catheter body stress 1〇〇 strain measurement system 200 and the pressure and temperature measurement system 300, with the protective sleeve of the catheter body 5〇0 1〇〇 inserted in the surrounding rock mass in the pit 31. 在基坑3〇开挖过程中,本发明可测量基坑周边岩土体内部的赋水状态及温度,并在基坑30开挖过程中,实时监测岩土体的变形及发展状态,为评估预测基坑周边的岩土体31的安全状态提供依据。 In 3〇 pit excavation process, the present invention can measure the state of water and forming the internal temperature of the surrounding rock and soil foundation, the foundation 30 and the excavation process, the development of real-time condition monitoring deformation and rock and soil, for the assess the security status of rock and soil around the pit 31 predicted to provide evidence. [0095] 一本发明是利用光纤信号采集、传输和处理技术,结合岩土体工程施工现场条件,能够连续米集导管主体100的侧部凹槽120的槽底面121的应力、导管主体100的侧部凹槽120 的槽底面121的应变量、岩土体内部水压力和岩土体温度数据变化信息的监测预警岩土体赋水及安全状态的导管组件,能及时获得导管主体100的侧部凹槽12〇的槽底面121的应力、 导管主体100的侧部凹槽12〇的槽底面121的应变量、岩土体内部水压力和岩土体温度数据变化规律的综合信息。 [0095] The invention utilizes a fiber optic signal acquisition, processing and transmission technology, combined with rock and soil engineering construction site conditions, the stress can be continuously set meters catheter body portion 100 of the side groove 120 of bottom surface 121, 100 of the catheter body side surface of the groove bottom portion 120 of strain 121, the internal water pressure of rock and soil and rock and soil temperature warning data to monitor changes in rock and soil and water forming security status information of the catheter assembly, catheter body side can receive timely 100 the stress of the groove bottom surface 121 12〇, the bottom side of the catheter body portion 100 of the recess 12〇 strain 121, integrated information and the internal water pressure variation of the temperature data gneiss rock and soil. 本发明能够得到该多参数同步测试预警导管组件三维方向的应力及应变分^,通过反分析得到岩土体的应力、变形规律,还能够得到岩土体内孔隙水压力及温度变化信息,并将这些信息转化成光纤信号,根据光纤信号对岩土体的变形、应变状态、孔隙水压力及温度变化进行连续稳定地监测,从而得到岩土体周围的地质情况,对岩土体的稳定性及安全性进行判断及预报,最终对岩土工程施工安全可能存在的危险性进行及时预警。 The present invention can provide multi-parameter catheter assembly warning simultaneous testing of three-dimensional directions points ^ stress and strain, the stress back analysis by rock mass, deformation law, it is possible to obtain the pore water pressure and body temperature geotechnical change information, and This information is converted into optical signals, optical signals in accordance with the deformation of the rock mass, strain state, pore pressure and temperature change monitored continuously and stably, resulting in geology surrounding rock mass, the stability of the rock mass and safety judge and forecast the final construction of the security risk may exist geotechnical timely warning.

[0096]如图1、图4、和图7所示,本发明的光纤应力计22〇、光纤应变计23〇和传输光纤21〇=置在导管主体100的侧部凹槽120的槽底面121内,当岩土体发生变形或者压力增大时,导管,体100的受力情况和变形情况也随着改变,光纤应力计22〇和光纤应变计23〇分别获取寸笞主体100的受力和变开^彳目息,最终通过反分析计算,得到岩土体的应力和变形信息。 [0096] As shown in FIG. 1, 4, and, the optical fiber strain gauges 22〇 the present invention, an optical fiber and optical fiber strain gauge 23〇 21〇 = catheter body disposed in the side portion of the recess 100 of the bottom face 7120 of FIG. the 121, when the deformation occurs or rock and soil pressure, the conduit, the forces and the deformation body 100 by respectively acquiring inch bamboo cane body 100 with the change, the optical fiber strain gauges and optical fiber strain gauge 23〇 22〇 ^ becomes the opening force and the left foot mesh information, the final analysis by reverse calculation, the stress and deformation information of rock and soil. [0097]孔隙水压力计310和温度计320分别设置于导管主体100的导管侧孔131中,保护套筒5〇0上设置有与导管主体100的导管侧孔U1的位置相对应的套管侧孔52〇,孔隙水压力计310和y皿度计320均穿过导管侧孔m,且均穿入套管侧孔520,该结构使孔隙水压力计310和温度计320与岩土体之间没有阻隔,孔隙水压力计310和温度计32〇分别通过相应的压力温度测量导线330与外部数据采集器400连接。 [0097] The pore water pressure gauge 310 and the thermometer 320 are disposed on the catheter side hole 131 of the catheter body 100, a protective sleeve is provided with a side duct and a position of the side hole 100 of the catheter body U1 corresponding sleeve 5〇0 52〇 between the bore, pore water pressure gauge 310 and y are dish luminometer through the catheter side hole 320 m, and the average penetration of the sleeve side aperture 520, so that the structure and the pore water pressure gauge 310 and the thermometer 320 gneiss no barrier, the pore water pressure gauge 310 and the thermometer 400 32〇 respectively connecting conductors 330 and the external data acquisition the temperature measured by the respective pressure. 孔隙水压力计310和温度计32〇与岩土体接触后,孔隙水压力计310和温度计320分别测量岩土体内部水压力和岩土体温度数据,且该数据通过温度测量导线33〇传输给处于导管主体1〇〇外部的数据采集器4〇〇; The pore water pressure gauge 310 and the thermometer 32〇 contact with rock and soil, pore water pressure gauge 310 and the thermometer 320 measure, respectively, the internal water pressure of rock and soil and rock and soil temperature data, and the data measured by the temperature to the transmission line 33〇 located outside the catheter body 1〇〇 4〇〇 data collection;

[0098]本发明埋设简单,可重复利用,应用范围广,可对岩土体的稳定性及安全性进行判断及预报。 [0098] The present invention is embedded in a simple, reusable, wide application range, can be determined and the prediction of the stability and safety of the rock mass.

[00"]综上,本发明有效^服了现有技术中的种种缺点而具高度产业利用价值。 [00 "] In summary, the present invention is effective ^ served prior art shortcomings and with a high degree of value industry.

[0100]上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。 [0100] the above-described embodiments are only to illustrate the principle and efficacy of the present invention, the present invention is not intended to be limiting. 任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。 Any person skilled in this art can be made at without departing from the spirit and scope of the present invention, the above-described embodiments can be modified or changed. 因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。 Thus, one skilled in the art that whenever all having ordinary knowledge in the technical ideas and spirit of the present invention is disclosed without departing from the completed equivalent modified or altered, yet the claims shall be encompassed by the present invention.

Claims (8)

  1. 1. 一种监测预警岩土体赋水及安全状态的导管组件,包括: 导管主体(100),所述导管主体(100)为圆柱形,所述导管主体(100)上设有与所述导管主体(100)同轴的轴向通孔(110),所述导管主体(100)的外圆周面上沿径向均匀设置有至少两个孔洞组(130); 所述孔洞组(130)包括若千个沿所述导管主体(100)的轴向依次排列的导管侧孔(131),所述导管侧孔(131)连通至所述轴向通孔(110); 压力温度测量系统(300),包括若干个孔隙水压力计(31〇)、若干个温度计(32〇)和压力温度测量导线(330); 其特征在于, 所述导管主体(1〇〇)的外圆周面上沿径向均匀设置有至少两个侧部凹槽(12〇), 光纤应力应变测量系统(200),包括传输光纤(210)、以及若干个光纤应力计(220)和/ 或若干个光纤应变计(230),所述传输光纤(21〇)、以及所述光纤应力计(220)和/或所述光纤应变计(230)均固定设置 A monitoring and warning of rock and soil and water forming a safe state catheter assembly comprising: a catheter body (100), said catheter body (100) is cylindrical, the catheter body is provided with the upper (100) the catheter body (100) through an axial bore (110) coaxial with the catheter body (100) along an outer circumferential surface provided with at least two radial holes evenly group (130); the set of holes (130) If the catheter comprises a side aperture in one thousand of the catheter body (100) axially arranged sequentially (131), the catheter side hole (131) communicated to said axial through hole (110); temperature pressure measurement system ( 300), comprising a plurality of pore water pressure gauge (31〇), a plurality of thermometers (32〇) measuring the temperature and pressure of the wire (330); characterized in that, along the outer circumferential surface of the catheter body (1〇〇) of radial uniformity is provided with at least two side grooves (12〇), stress-strain measuring optical system (200), comprising a transmission fiber (210), and a plurality of fiber optic strain gauges (220) and / or a plurality of optical fiber strain gauge (230), the transmission fiber (21〇), and the optical fiber strain gauges (220) and / or the optical fiber strain gauge (230) are fixedly disposed 相应的所述侧部凹槽(120)中,所述光纤应力计(220)和/或所述光纤应变计(230)通过所述传输光纤(210)串联连接; 所述孔隙水压力计(310)和所述温度计(320)分别插入于相应的所述导管侧孔(1:31) 中,且与所述导管侧孔(131)固定连接,所述压力温度测量导线(330)设置于所述轴向通孔(110)中,所述孔隙水压力计(310)和所述温度计(320)分别与所述压力温度测量导线(330) 的一端连接; 保护套筒(500),所述保护套筒(500)为设有中空内腔的圆柱体,且所述保护套筒(500) 的前端设有开口(51〇),所述导管主体(1〇〇)插入于所述保护套筒(5〇〇)的中空内腔中,所述保护套筒(5〇〇)的外圆周面上设有与所述导管侧孔(131)相应的套管侧孔(520),所述套管侧孔(520)连通至所述保护套筒(500)的中空内腔中,所述孔隙水压力计(310)和所述温度计(320)分别穿入于相应的所述套管侧孔(52 A respective side portion of the recess (120), the optical fiber strain gauges (220) and / or the optical fiber strain gauge (230) transmission fiber (210) via the series connection; the pore water pressure gauge ( 310) and said thermometer (320) are inserted into the respective side holes of the catheter (1:31), and the catheter is fixedly connected to the side hole (131), the pressure and temperature measuring lead (330) is provided to said axial through hole (110), the pore water pressure gauge (310) and said thermometer (320) were measured with the temperature of the pressure end of the wire (330) is connected; protective sleeve (500), the the front end of said protective sleeve (500) is provided with the hollow interior of the cylinder, and the protective sleeve (500) is provided with an opening (51〇), the catheter body (1〇〇) inserted in the protective an outer circumferential surface of the sleeve (5〇〇) a hollow interior, the protective sleeve (5〇〇) is provided with a respective hole of the casing pipe side lateral aperture (520) (131), the said cannula side hole (520) communicated to said protective sleeve (500) in the hollow interior of the pore water pressure gauge (310) and said thermometer (320) respectively corresponding to said penetration sleeve side hole (52 0)中。 0) in.
  2. 2. 根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于: 所述导管主体(1〇〇)两端分别为管体前端和管体后端,所述导管主体(1〇〇)的管体前端和管体后端的外表面上分别设有前端环形凹槽(141)和后端环形凹槽(142),所述前端环形凹槽(141)和所述后端环形凹槽(142)的中轴线均与所述导管主体(100)的中轴线共线,所述前端环形凹槽(141)和所述后端环形凹槽(142)分别延伸至所述导管主体(100)的管体前端和管体后端的纟而面; 所述传输光纤(21〇)包括至少两个直线型光纤部(211)和至少一个弧线型光纤部(212),至少两个所述直线型光纤部(211)通过相应的所述弧线型光纤部(212)依次串联连接,所述直线型光纤部(211)固定设置于相应的所述侧部凹槽(以〇)中;当所述弧线型光纤部(212)为一个时,所述弧线型光纤部(212)固定设置于 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 1, wherein: said (1〇〇) at both ends of the tubular body of the catheter body, respectively the rear end and the tube distal end, the the outer surface of the tubular body of the front and rear end of said tubular catheter body (1〇〇) are respectively provided with a front end annular groove (141) and a rear annular groove (142), the distal annular groove (141) and the rear end of the annular groove (142) are connected with the central axis of the catheter body (100) is collinear with the central axis, the distal annular groove (141) and the rear annular groove (142) extending respectively to the front and rear end of the tubular body of the catheter tubular body of Si (100) plane being; the transmission fiber (21〇) comprises at least two linear optical fiber portion (211) and at least one curved optical fiber portion (212 ), said at least two linear optical fiber portion (211) sequentially connected in series through a respective optical fiber portion of the arc (212), the linear optical fiber portion (211) secured to a respective recessed portion of the side slot (in square); and when the arc-type optical fiber portion (212) is one of a curved optical fiber portion (212) fixed to the 述后端环形凹槽(142)中;当所述弧线型光纤部(212)大于等于两个时,所述弧线型光纤部(212)固定设置于所述前端环形凹槽(141)和所述后端环形凹槽(142)中;所述光纤应力计(220)和/或所述光纤应变计(230) 串接于所述直线型光纤部(211)上。 The rear end of said annular groove (142); and when the arc-type optical fiber portion (212) is greater than two is equal to the arc-type optical fiber portion (212) fixed to the front end of the annular groove (141) and the rear annular groove (142); said optical strain gage (220) and / or the optical fiber strain gauge (230) connected in series to said linear optical fiber portion (211).
  3. 3. 根据权利要求2所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于:所述压力温度测量导线(330)的另一端穿出所述导管主体(100)的管体前端,所述导管主体(100)的管体后端为密封设计。 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 2, wherein: the other end of said pressure and temperature measuring lead (330) of said piercing catheter body (100) of the tube front end, the rear end of the tubular body of the catheter body (100) to seal design.
  4. 4.根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于:所述传输光纤(210)固定设置于所述侧部凹槽(120)的槽底面(121)上。 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 1, wherein: said transmission optical fiber (210) fixed to the side portion of the recess (120) of the groove bottom surface ( 121) on.
  5. 5. 根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于:所述光纤应力计(220)和/或所述光纤应变计(230)处于所述侧部凹槽(120)内部。 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 1, wherein: said fiber optic strain gauges (220) and / or the optical fiber strain gauge (230) is in the side (120) inside the recess portion.
  6. 6. 根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于: 所述孔隙水压力计(310)的靠近所述保护套筒(5〇〇)的面(311)上的最外侧的端点与所述保护套筒(500)的中轴线之间的垂直距离等于所述保护套筒(500)的外圆周面的半径; 所述温度计(320)的靠近所述保护套筒(5〇〇)的面(321)上的最外侧的端点与所述保护套筒(500)的中轴线之间的垂直距离等于所述保护套筒(5〇〇)的外侧面的半径。 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 1, wherein: the pore water pressure gauge (310) close to the protective sleeve (5〇〇) surface the vertical distance between the endpoints on the outermost (311) and the protective sleeve (500) is equal to the central axis of the radius of the circumferential surface of the outer protective sleeve (500); said thermometer (320) proximate said protective sleeve (5〇〇) plane perpendicular distance between the outermost end (321) and the protective sleeve (500) is equal to the axis of the protective sleeve (5〇〇) of radius of the outer side surface.
  7. 7. 根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于:相邻的两个所述侧部凹槽(12〇)之间设置至少一个所述孔洞组(130)。 The catheter assembly forming the safety of water and monitoring the state of the rock mass warning claimed in claim 1, wherein: said side portions disposed between two recesses (12〇) adjacent to said at least one aperture group (130).
  8. 8. 根据权利要求1所述的监测预警岩土体赋水及安全状态的导管组件,其特征在于: 还包括:数据采集器(4〇〇),所述数据采集器(400)与所述压力温度测量导线(330)连接;所述光纤应力应变测量系统(200)还包括光纤接线(24〇),所述传输光纤(210)通过所述光纤接线(240)与所述数据采集器(4〇〇)连接。 The water forming the catheter assembly and safety monitoring and warning state of the rock mass as claimed in claim 1, characterized in that: further comprising: a data acquisition (4〇〇), the data collector (400) and the pressure and temperature measuring lead (330); said fiber stress-strain measurement system (200) further includes an optical fiber cable (24〇), the transmission fiber (210) through the optical fiber cable (240) and the data collector ( 4〇〇) connection.
CN 201410491091 2014-09-23 2014-09-23 Fu monitoring and early warning of rock and soil and water security status of a catheter assembly CN104280166B (en)

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CN105352637B (en) * 2015-12-07 2018-03-16 北京希卓信息技术有限公司 Stress sensor and method for manufacturing a tubular

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