WO2015154698A1 - Plate-forme d'installation et procédé d'installation d'une feuille imperméable à l'eau de tunnel ayant une grande largeur - Google Patents

Plate-forme d'installation et procédé d'installation d'une feuille imperméable à l'eau de tunnel ayant une grande largeur Download PDF

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Publication number
WO2015154698A1
WO2015154698A1 PCT/CN2015/076215 CN2015076215W WO2015154698A1 WO 2015154698 A1 WO2015154698 A1 WO 2015154698A1 CN 2015076215 W CN2015076215 W CN 2015076215W WO 2015154698 A1 WO2015154698 A1 WO 2015154698A1
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WIPO (PCT)
Prior art keywords
laying
trolley
waterproof board
jacking
waterproof
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Application number
PCT/CN2015/076215
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English (en)
Chinese (zh)
Inventor
邓卫东
赵勇
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邓卫东
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Publication date
Application filed by 邓卫东 filed Critical 邓卫东
Publication of WO2015154698A1 publication Critical patent/WO2015154698A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Definitions

  • the invention relates to a tunnel waterproof board installation platform, in particular to a tunnel wide waterproof board installation platform.
  • the invention also relates to a method of installing the above described mounting platform.
  • the tunnel waterproof board generally adopts 1-1.5 mm thick polyethylene waterproof board.
  • the waterproof board has a width of 3-7 meters and a weight of 1.5 kilograms per square meter; a three-meter wide double-line tunnel has a single weight of 150 kilograms;
  • the single-line tunnel with a wide width of rice has a single weight of 100 kilograms;
  • the double-line tunnel with a width of 7 meters has a single weight of 330 kilograms;
  • the single-line tunnel with a width of 7 meters has a single weight of 220 kilograms.
  • the installation method of the waterproof board is mostly based on the (simple trolley) bracket method and the manual installation method.
  • the weight limit of the support can only be 3-4 meters wide, because the width is narrow and the seams are more.
  • the welding workload is large, the safety factor is lowered, the construction efficiency is low, and the installation quality is not guaranteed.
  • the waterproof board of 6-7 meters wide the original installation process is limited and cannot be used because the weight of the single frame is too heavy.
  • the tunnel lining reinforcement mesh adopts the manual construction support bracket simple trolley, and adopts the manual single lifting and binding method for construction.
  • the high-altitude operation is large, the manual lifting workload is large, the construction quality is difficult to guarantee, the labor intensity is large, and the efficiency is low. .
  • the technical problem to be solved by the present invention is to provide a tunnel wide (especially (3-7 m wide)) waterproof board installation platform, which can realize the installation of the waterproof board, the geotextile, the reinforcement of the steel mesh, and the like. Process links.
  • the invention also provides a method for installing the above-mentioned tunnel wide waterproof board installation platform.
  • the technical solution of the present invention is:
  • a tunnel wide waterproof board installation platform includes a mounting bracket, a walking wheel is arranged at the bottom of the mounting bracket, an arched laying rail is arranged on the mounting bracket, and the laying trolley runs on the laying rail, and the laying rail is two.
  • the front laying track and the rear laying track are respectively installed, the front laying track is installed at the front end of the mounting bracket, the rear laying track is installed at the rear end of the mounting bracket, the front laying track is carried on the front laying track, and the rear laying track is laid on the rear laying car.
  • the front laying car and the rear laying car are all provided with a supporting seat, and a reel placed with a roll waterproofing plate is installed between the supporting seat on the front laying car and the supporting seat on the rear laying car, and the reel is driven to rotate by the driving device.
  • Unwinding unfolds the waterproof board a plurality of jacking rods are arranged between the front laying rail and the rear laying rail, and the jacking poles are evenly arranged along the arch-shaped laying rail, and both ends of each jacking pole are jacked up
  • the device is mounted on the mounting bracket, the unfolded waterproof board is laid on the jacking rod, the jacking device lifts the jacking rod, and the waterproof board laid on the jacking rod is lifted Close to the surface contour of the tunnel.
  • the lifting rod is provided with a soft top lifting head, and the soft top lifting head is located at the lifting rod table The surface is in contact with the waterproof board.
  • the soft top lifting head is distributed in a lattice pattern on the lifting rod.
  • the soft top lifting head is annular and is sleeved on the lifting rod.
  • the jacking devices at each end of each jacking rod are a group, and each group of jacking devices individually controls or synchronously controls the jacking.
  • a reinforcing bar positioning frame is arranged on the jacking rod.
  • the jacking device is a hydraulic cylinder.
  • a waterproof board installation method for a tunnel wide waterproof board installation platform comprising the following steps:
  • the head end of the unfolded waterproof board is unfixed, and the jacking device at both ends of the jacking rod lifts the jacking rod, lifts the waterproof board to the installation position, and connects the waterproof board to the tunnel contour surface.
  • the invention also provides a waterproof board installation method for another tunnel wide waterproof board installation platform, comprising the following steps:
  • the point contact method of the soft top lift head overcomes the uneven contact of the initial support contour surface of the tunnel, and ensures waterproof
  • the layer and the contour of the tunnel are fixedly positioned.
  • the tunnel wide waterproof board installation platform of the invention realizes the mechanization and automation of the construction process flow and the whole construction process, reduces the working height of the artificial high-altitude lifting, greatly improves the construction quality and the construction efficiency, and reduces the safety risk during the construction process.
  • FIG. 1 is a schematic structural view of a mounting platform of the present invention.
  • FIG. 2 is a schematic view showing the fixing of the waterproof board in the mounting method of the present invention.
  • FIG. 3 is a second schematic view showing the fixing of the waterproof board in the mounting method of the present invention.
  • a tunnel wide waterproof board installation platform includes a mounting bracket, and a walking wheel 8 is disposed at a bottom of the mounting bracket, and a front laying rail 1 and a rear laying rail 2 are disposed on the mounting bracket, and the front laying rail 1 is provided.
  • the rear laying rail 2 is mounted on the rear end of the mounting bracket 7, and the front laying rail 1 has a front laying trolley 3, and the rear laying rail 2 has a rear laying trolley 4.
  • the front laying trolley 3 and the rear laying trolley 4 are each provided with support seats 5 and 6, and a reel 11 in which a roll waterproofing plate is placed is installed between the support base 5 on the front laying trolley 3 and the support seat 6 on the rear laying trolley 4.
  • the reel 11 is driven by a driving device to rotate and unwind the waterproof panel 12.
  • the driving device of the reel 11 may be a motor, and the rotating shaft of the motor is connected to the reel 11, and the rotation of the rotating shaft of the motor drives the reel 11 to rotate.
  • the driving device of the front laying trolley 3, the rear laying trolley 4 and the driving reel 11 of the invention is controlled by a control system, and can control the speed of walking, stopping, walking, etc. of the front laying trolley 3 and the rear laying trolley 4, and can control the reel 11 drive device, thus controlling The reel 11 is rotated at a speed to finally control the unwinding speed of the waterproof panel 12.
  • the driving device of the reel 11 employs a motor
  • the rotation speed of the reel 11 can be controlled by controlling the rotation speed of the motor.
  • a plurality of jacking rods 9 are disposed between the front laying rail 3 and the rear laying rail 4, and the jacking rods 9 are evenly arranged along the arching rails, and both ends of each jacking rod 9 pass through the jacking device 10 Mounted on the mounting bracket 7, the unfolded waterproof panel 12 is laid on the jacking rod 9, the jacking device 10 lifts the jacking rod 9, and the waterproof panel 12 laid on the jacking rod 9 is lifted up close to the tunnel contour surface.
  • the position of the lifting lever 9 may correspond to or does not correspond to the mounting point position of the waterproof panel 12.
  • the jacking device 10 is uniform in the shape of a tunnel (approximately circular, identical to the laying track), and the position angle of the jacking device 10 is directly opposite the corresponding tunnel contour surface.
  • the front laying car 3, the rear laying car 4 walking with the reel 11, the waterproof board 12 unfolded on the reel 11 is laid on the jacking rod 9, and the jacking device 10 lifts the jacking rod 9 and lays on the jacking rod 9.
  • the waterproof panel 12 is raised close to the tunnel contour surface.
  • the jacking device 10 is a lifting mechanism such as a hydraulic cylinder, and is not limited herein.
  • the jacking rod 9 is provided with a soft lifting head 13 which is a jacking head made of a soft material and has a soft texture and a certain stretchability, such as a silicone material.
  • the soft top lifting head 13 is located on the surface of the jacking rod 9, and the soft body lifting head 13 is in contact with the waterproof board 12 to form a point contact.
  • the tunnel contour surface at the protruding portion the soft top lifting head 13 is between the lifting rod 9 and the waterproof board 12, and the soft top lifting head 13 is pressed by the lifting rod 9 and the waterproof board 12
  • the deformed state supports the waterproof board 12.
  • the tunnel contour surface at the recessed portion since the upper portion of the waterproof panel 12 is a recessed portion, there is no supporting force, and at this time, the force of the jacking rod 9 of the soft lifting head 13 is transferred to the waterproof panel 12 Above, the waterproof board 12 of this part is attached to the tunnel contour surface of the recessed part.
  • the soft lifting head 13 can be specifically annular, so that it can be directly sleeved on the lifting rod, and the position of the soft lifting head 13 can be adjusted according to the specific concave portion of the tunnel contour surface. It can also be distributed in a grid pattern on the jacking bar.
  • the jacking devices 10 at each end of each jacking rod are a group, and each group of jacking devices 10 individually controls or synchronously controls the jacking, or individually controls and synchronously controls the jacking together. That is, the control system can synchronously control each group of jacking devices 10 as needed, and send a jacking signal to cause the jacking up; or each group of jacking devices 10 can be individually controlled as needed.
  • the jacking signal is sent to raise the single-group jacking device 10, which can realize the arbitrariness of the jacking surface shape, meet the irregularity of the initial support contour of the tunnel, and achieve close contact with the initial support contour of the tunnel.
  • a separate control for the jacking device 10 can be combined with the above-described soft jacking head 13 for reasonable handling of the tunnel profile with larger recessed portions.
  • the method for installing the waterproof board 12 of the above-mentioned tunnel wide waterproof board 12 mounting platform comprises the following steps:
  • the front laying trolley 3 and the rear laying trolley 4 of the tunnel wide waterproof board 12 are placed on one side, and the reel 11 is placed on the supporting seats 5 and 6 of the front laying trolley 3 and the rear laying trolley 4, and the reel 11
  • the roll waterproof plate 12 is placed thereon, and the head end of the waterproof board 12 is fixed; the direction of the front car is sequentially referred to as the first jack and the second jack in the direction in which the cart 3 is laid and the cart 4 is laid.
  • the rod, ..., the nth jack, n is a positive integer; the size of n is determined according to the length and the sag of the waterproof board 12, such as the use of 5 jacks.
  • the front laying car 3, the rear laying car 4 with the waterproof board 12 rolls in the opposite direction to travel a predetermined distance d; the walking predetermined distance d is variable, and the size is determined according to the size of the sag required by the project.
  • the front lathe 3 is laid, and the rear lathe 4 is carried with the reel 11 (the reel 11 is driven to rotate and unwind by the driving device) over the second jacking rod.
  • the waterproof board 12 laid on the first jacking rod is fixed on the second jacking rod by a clamp, and the fixing point fixed on the waterproof board 12 is A; before laying the car 3, after laying the car 4 with the waterproof board 12 rolls in the opposite direction to travel a predetermined distance d; before laying the car 3, after laying the car 4 with a waterproof board 12 rolls continue to walk in the positive direction, laying the car in front 3
  • the waterproofing plate 12 fixed on the second lifting rod is unfixed, that is, between the point A and the second lifting rod of the waterproof board 12 is released. Fixing the relationship, and fixing the waterproof board 12 above the second jacking rod to the second jacking rod at this time, that is, the point B on the waterproof board 12 is fixed with the second jacking rod, and then the length of 2d can be formed. Dip.
  • the head end of the waterproof board 12 is unfastened, and the jacking device 10 at both ends of the jacking rod lifts the jacking rod, lifts the waterproof board 12 to the mounting position, and connects the waterproof board 12 to the tunnel contour surface.
  • the distance of 2d is the sag of the waterproof panel 12, which can be easily achieved by the method of the present invention. It is solved that the installation sag of the waterproof board 12 is not easy to reserve, and even if it is realized, the reserved installation sag is also uneven.
  • the sag referred to in the present invention means that when the waterproof board 12 is fixed on the tunnel contour surface, the length of the waterproof board 12 between two adjacent fixed points is greater than the distance between two adjacent fixed points, under the action of gravity The arc surface formed by the drooping plate 12 between the two fixed points is drooping. The sag is used to compensate for the impact of the poured concrete on the waterproof panel 12.
  • Another installation method of the waterproof board 12 of the tunnel wide waterproof board 12 mounting platform of the present invention comprises the following steps:
  • the waterproof panel 12 can have a certain degree of sag, and the speed difference can be adjusted according to the specific sag.
  • the head end of the waterproof board 12 is unfastened, and the jacking device 10 at both ends of the jacking rod lifts the jacking rod, lifts the waterproof board 12 to the mounting position, and connects the waterproof board 12 to the tunnel contour surface.
  • the installation platform of the invention can effectively reduce the difficulty of high-altitude load-bearing operation, and the automatic technology can realize the automatic dragging and unwinding of the waterproof board 12 (geo-textile), the automatic control realizes the sag deployment, the jack-up lifting, and realizes the wide-width (such as 7 meters) waterproof.
  • the installation of the board 12 (geotextile) reduces the lap joint welding by 50%, improves the reliability of the tunnel waterproofing, and saves more than 10% of the waterproof board 12 material, reducing the risk of weld seam leakage by 55%.
  • a plurality of construction functions such as geotextile installation construction, waterproof board 12 installation construction, steel mesh lashing construction, surrounding rock measurement and the like are integrated, the automation level of the construction technology is improved, and the working time is greatly reduced. , saving labor costs.
  • Customized by tunnel excavation profile size according to single and double line classification, it is highly applicable to tunnel widened sections and tunnel sections of different heights.
  • the platform has the functions of automatic movement and lifting, and has good compatibility with the contours of various surrounding rock excavation tunnels, and has strong adaptability to narrow space operations in the tunnel.
  • the jacking rod can be used as a steel bar lifting bracket to lift the steel bar, and a reinforcing bar positioning frame can be arranged on the jacking bar to automatically position the steel bar spacing.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

L'invention concerne une plate-forme d'installation et un procédé d'installation pour une feuille étanche à l'eau de tunnel ayant une grande largeur. Un chariot de pose avant (3) et un chariot de pose arrière (4) sont respectivement disposés sur une piste de pose avant (1) et une piste de pose (2) arrière de la plate-forme. Des bases de support (5, 6) sont disposées sur le chariot de pose avant (3) et le chariot de pose arrière (4). Une bobine (11) agencée sous la forme d'un rouleau de feuille étanche à l'eau est installée entre les bases de support (5, 6). La bobine (11) est entraînée en rotation par un dispositif d'entraînement en rotation, et à se dérouler pour déplier une feuille étanche à l'eau (12). Une pluralité de tiges de levage (9) sont disposées entre la piste de pose avant (1) et la piste de pose arrière (2). Les tiges de levage (9) sont disposées de manière uniforme dans une direction circulaire le long d'une piste de pose arquée. Deux extrémités de chaque tige de levage (9) sont installées sur des supports d'installation par l'intermédiaire de dispositifs de levage (10). La feuille étanche à l'eau dépliée (12) est placée sur les tiges de levage (9), les dispositifs de levage (10) soulèvent les tiges de levage (9), et la feuille étanche à l'eau (12) posée sur les tiges de levage (9) est soulevée à proximité d'une surface de profil de tunnel. La plate-forme mécanise et automatise un déroulement de processus de construction et un processus de construction entier. L'intensité de travail de levage élevé manuel est réduite, la qualité de construction et le rendement de construction sont considérablement améliorés, et les risques de sécurité dans un processus de construction sont réduits.
PCT/CN2015/076215 2014-04-09 2015-04-09 Plate-forme d'installation et procédé d'installation d'une feuille imperméable à l'eau de tunnel ayant une grande largeur WO2015154698A1 (fr)

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CN201410138494.X 2014-04-09

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CN108756892A (zh) * 2018-04-03 2018-11-06 中南大学 作业平台及其用于隧道施工的连续作业系统和作业方法
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CN203081468U (zh) * 2013-01-23 2013-07-24 湘潭光威机械科技有限公司 隧道防水层铺设台车
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