EP2108747A2 - Drainage d'une surface de gunite à l'aide de tuyaux de drainage - Google Patents

Drainage d'une surface de gunite à l'aide de tuyaux de drainage Download PDF

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Publication number
EP2108747A2
EP2108747A2 EP20090157100 EP09157100A EP2108747A2 EP 2108747 A2 EP2108747 A2 EP 2108747A2 EP 20090157100 EP20090157100 EP 20090157100 EP 09157100 A EP09157100 A EP 09157100A EP 2108747 A2 EP2108747 A2 EP 2108747A2
Authority
EP
European Patent Office
Prior art keywords
pipe
drainage
shotcrete
slope
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20090157100
Other languages
German (de)
English (en)
Inventor
Jens Hoebel
Roland Dalitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ed Zueblin AG
Original Assignee
Ed Zueblin AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ed Zueblin AG filed Critical Ed Zueblin AG
Publication of EP2108747A2 publication Critical patent/EP2108747A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines

Definitions

  • the invention includes an economical solution for the drainage of a prepared from shotcrete slope protection.
  • the drainage of the slope material behind a shotcrete shell is often done with a drain mat between slope material and shotcrete shell.
  • This is mainly made up of vertical strips, collects the accumulated water behind the shotcrete and directs it to a horizontal drainage pipe at the foot of the wall.
  • special care in the joint area of the individual drain mats is required to produce a continuous wasserableitenden strip. Due to the dynamic stress during installation of the shotcrete there is a risk of damage to the drainage mat and the system-related rebound that contamination of the drainage line at the bottom of the shotcrete shell.
  • non-cohesive soils are present in the area of the shotcrete shell, a local outbreak of soil material can not be ruled out. As a result, voids behind the drain mat are possible, so that the shotcrete shell is not frictionally applied to the soil.
  • To create the adhesion between slope material and shotcrete shell ground movements are required, which carry the risk of subsidence.
  • the water is guided through the shotcrete shell in this process by means of suitable passages.
  • These passages can be formed as drainage nozzles or drainage slots in the shell.
  • the planned installation of recess pipes in the shell is attached, which are fixed and "injected” before the shotcrete is installed on the ground.
  • the grid of the recess tubes to be installed is determined based on empirical values for the respective subsoil. Drainage of non-cohesive soils requires, due to their higher permeability, a filter-stable design for safe and permanent discharge of the water. The system described below offers this in a simple way and is therefore particularly suitable for use in non-binding soil.
  • the drainage pipes (4) used are each made up of at least two sections (1, 3), between which a geotextile (2) is arranged through the pipe (4) in the pipe cross-section and by appropriate means, eg by clamping in a Socket connection (see Fig. 1 ), is fixed.
  • the spigot end with a geotextile mat (2) is coated, after the joining of the two parts (1, 3) the pipe cross section permanently against Soil discharge closes and thus prevents discharge by outflowing groundwater.
  • the geotextile mat (2) can be varied according to the pending ground.
  • the earth-side pipe (3) on the slope side can be partially or completely filled by suitable filter material.
  • the earth-side portion (3) of the prepared drainage pipes (4) is pressed with variable slope / counter-slope in the profiled slope surface. In this case, the region of the pipe connection is arranged so that it is in the region of the shotcrete layer (5).
  • the air-side pipe end (1) is now provisionally sealed against penetrating shotcrete and then the shotcrete shell (5) produced. After completion of the shotcrete shell (5), the provisionally closed air-side pipe end (1) is opened again and, if necessary, cut with suitable tools, possibly even aligned flush with the surface of the shotcrete shell (5) (see Fig. 2 ). Thus, can now escape through the pipe (4) derived slope water and drain on the surface of the shotcrete shell (5) down.
  • a drainage pipe is arranged on the air side of the shotcrete shell (5) at its foot, which captures and discharges the water.
  • the figures show a preferred embodiment with drainage pipes (4), which consist of only two parts (1, 3) and one of which has a spigot, the other a socket end, between which a geotextile (2) is clamped as a bottom filter.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP20090157100 2008-04-10 2009-04-01 Drainage d'une surface de gunite à l'aide de tuyaux de drainage Withdrawn EP2108747A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810001109 DE102008001109A1 (de) 2008-04-10 2008-04-10 Drainage einer Spritzbetonschale mit Entwässerungsrohren

Publications (1)

Publication Number Publication Date
EP2108747A2 true EP2108747A2 (fr) 2009-10-14

Family

ID=40717017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090157100 Withdrawn EP2108747A2 (fr) 2008-04-10 2009-04-01 Drainage d'une surface de gunite à l'aide de tuyaux de drainage

Country Status (2)

Country Link
EP (1) EP2108747A2 (fr)
DE (1) DE102008001109A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498902A (zh) * 2016-11-16 2017-03-15 中国电建集团贵阳勘测设计研究院有限公司 一种快速高效的固坡方法
CN113513012A (zh) * 2021-03-21 2021-10-19 深圳市工勘岩土集团有限公司 填土高边坡排水结构及其施工方法
CN115748346A (zh) * 2022-12-01 2023-03-07 新疆路桥建设集团有限公司 一种泉眼处治工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498902A (zh) * 2016-11-16 2017-03-15 中国电建集团贵阳勘测设计研究院有限公司 一种快速高效的固坡方法
CN113513012A (zh) * 2021-03-21 2021-10-19 深圳市工勘岩土集团有限公司 填土高边坡排水结构及其施工方法
CN115748346A (zh) * 2022-12-01 2023-03-07 新疆路桥建设集团有限公司 一种泉眼处治工艺

Also Published As

Publication number Publication date
DE102008001109A1 (de) 2009-10-15

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