EP0023681B1 - Formkörpern zur Herstellung eines Schachtbauwerks sowie aus diesen Formkörpern bestehendes Schachtbauwerk und Verfahren zu dessen Herstellung - Google Patents

Formkörpern zur Herstellung eines Schachtbauwerks sowie aus diesen Formkörpern bestehendes Schachtbauwerk und Verfahren zu dessen Herstellung Download PDF

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Publication number
EP0023681B1
EP0023681B1 EP80104390A EP80104390A EP0023681B1 EP 0023681 B1 EP0023681 B1 EP 0023681B1 EP 80104390 A EP80104390 A EP 80104390A EP 80104390 A EP80104390 A EP 80104390A EP 0023681 B1 EP0023681 B1 EP 0023681B1
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EP
European Patent Office
Prior art keywords
pit structure
elements
parts
roof
floor
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.)
Expired
Application number
EP80104390A
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German (de)
English (en)
French (fr)
Other versions
EP0023681A1 (de
Inventor
Hubert Zimmer
Karl-Heinz Brümmer
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.)
Deilmann Haniel GmbH
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Deilmann Haniel GmbH
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 Deilmann Haniel GmbH filed Critical Deilmann Haniel GmbH
Priority to AT80104390T priority Critical patent/ATE9729T1/de
Publication of EP0023681A1 publication Critical patent/EP0023681A1/de
Application granted granted Critical
Publication of EP0023681B1 publication Critical patent/EP0023681B1/de
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D5/00—Lining shafts; Linings therefor
    • E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials

Definitions

  • the invention relates to a shaped body for producing a shaft structure and to the shaft structure consisting of shaped bodies of this type and further to a method for producing this shaft structure.
  • shaft structures also known as shaft lining for shafts in underground construction, as molded brickwork has long been known, as can be seen, for example, from DE-PS 270 528 and 488 522.
  • shaft lining for shafts in underground construction
  • molded brickwork has long been known, as can be seen, for example, from DE-PS 270 528 and 488 522.
  • These two publications refer to a shaft expansion using concrete shaped blocks, which are installed in the shaft tube from top to bottom.
  • a shaft structure to be produced from top to bottom from shaped bodies from FR-PS 488 409 is known, which is particularly used for lining wells, but is also recommended for other constructions, partitions and chimneys.
  • the provisional expansion is being carried out in batches, following the progress of the sinking as quickly as possible, on rings secured by rock anchors from bottom to top.
  • Anchors are formed from shaped stones that are connected to each other by dovetail-like approaches. These shaped stones have a very irregular geometric shape that has fifteen surfaces. On one side the shaped stones are provided with a dovetail-like design, while the other side surface is provided with a vertical face, a bevel and a narrow nose that jumps downwards. The nose is necessary in order to give the suspended form stone support; it can easily break off during transport and insertion. Since the molded block is three times as high on one side as on the other side, it also has a structurally very unfavorable shape and thus also a low strength. For these reasons, this proposal was not able to prevail in practice, but remained the same as before.
  • the FR-PS 448409 are for well chimneys, partitions and the like. Constructions recommended manufacturing methods of masonry from top to bottom, which can also be carried out without rods or other holding structures.
  • an upper support ring is provided, on which the uppermost row of vaulted stones forming a multi-part cylinder is suspended with its hook-like annular ribs.
  • the further rows of arch stones lying underneath are suspended, which is made possible by the fact that these hook ribs are directed downwards at the upper edge of the arch stones and upwards at the lower edge.
  • Steel reinforcement rings are inserted into the hook joints to create a sufficient wall bond.
  • Shaped bodies are provided for the production of flat masonry from top to bottom hen, which are provided on the front with their lower and upper part with projections.
  • These known moldings have flat side faces corresponding to two lines running parallel to one another in plan view and corresponding base and cover surfaces to lines parallel to lines at a distance from the height of the molded body, and they are mirror images of one another on the two end faces, in each case in right, blunt or pointed fashion Surface sections arranged at an angle are limited.
  • the invention is therefore based on the object of remedying this deficiency and of specifying a shaped body suitable for the purpose of the lining of shafts progressing from top to bottom and a shaft structure formed therefrom and a method for producing the shaft structure.
  • the known proposals for producing a shaft masonry from top to bottom and the shaped stones provided for this purpose are not suitable for solving this task, and they cannot serve as a suggestion for finding an embodiment which meets the requirements.
  • the molded articles must be designed for high tensile and compressive loads and be as light as possible in terms of weight; they must also meet the high static requirements and be designed in such a way that they can be used from the inside of the shaft without difficulty. Furthermore, after the insertion of a complete ring in front of the connection to the mountains created by the subsequent backfilling, they have to form a compression-resistant, load-bearing compound without the need for special steel reinforcements or hanging devices.
  • the molded body according to the invention has the features that the two base and top surfaces in the side view, which run parallel to each other at a distance from the molded body height, rise slightly from the outside inwards and form an angle to the radial plane form and the two respective end face parts are separated from one another by curved or flat intermediate surfaces, and that the two surface parts form an acute angle in their leg regions by means of curved or flat intermediate surfaces to the adjacent base or cover surfaces.
  • a modified design of the molded body according to the invention still consists in the fact that it consists of two or more molded body sections which are angled to one another and that the two base and top surfaces in the side view, corresponding to the height of the molded body and running parallel to each other, run from the outside inwards ascendingly forming an acute angle and at both outer sections the respective frontal surface parts abut one another or are separated from one another by curved or flat intermediate surfaces, and that the two surface parts form an acute angle in their thigh regions or by means of curved or flat intermediate surfaces against the adjacent ground - or connect top surfaces.
  • a further design of the shaped body according to the invention for the manufacture of a shaft structure by the two side surfaces corresponding to one another in the plan view running parallel to one another and by two base and top surfaces running in parallel in the side view at a distance from the shaped body height and on the two end faces
  • a mirror image of each other is limited to the area parts arranged at right-angled, obtuse or acute-angled intersection lines, consists in the fact that in plan view it has cylindrical surfaces corresponding to two circular, concentrically curved lines, in the side view two corresponding cylindrical surfaces Distance parallel to each other inwards, a straight conical surface section forming a slightly increasing acute angle is limited as the base and top surfaces, and that the two end faces in each case abut one another or are separated from one another by curved or evenly extending intermediate faces, and that the two surface portions in their thigh areas form an acute angle or connect to the adjacent base or top surfaces by means of curved or flat intermediate surfaces.
  • the manhole structure formed from these moldings is characterized by the features that the individual smoothly running base and top surfaces have uninterrupted superposed, end-to-end moldings are mutually offset in horizontal planes by a part of the height of the molded body and the three molded bodies adjoining each other on the end face engage with one another by means of dovetail-shaped projections and recesses in their front-side boundary surfaces, the surfaces of the dovetail-shaped projections and recesses consisting of two surface parts which form a right, obtuse or acute angle to one another consist.
  • the molded-masonry structure created by means of the shaped bodies designed according to the invention in which all the shaped bodies are vertically unaltered one above the other, but offset alternately in horizontal planes and interlocked with one another on the end face by means of projections and depressions, enables this bond to be produced in a simple manner from top to bottom, because as a result of the alternating height-offset arrangement of the shaped bodies in a horizontal row, successively deeper, interrupted rings forming shaped bodies can be inserted or hung in by means of their projections into the gaps between two shaped bodies of the higher row. In this way, by inserting into the gaps between two shaped bodies of a horizontal row, the further row offset downward by a part of the shaped bodies can always be formed.
  • the surfaces of the dovetail-shaped projections and depressions of the shaped bodies consist of two surface parts which form a right, obtuse or acute angle to one another. It is not necessary for the dovetail-shaped projections and depressions to be sharply offset against one another and against the other boundary surfaces, but, according to the invention, it is also possible for the two surface parts of the dovetail-shaped end-face boundary surfaces of the shaped bodies which form an angle to one another by means of curved surface sections in the intersection angle range pass over and run out in the outer thigh areas towards the base and top surfaces.
  • the two surface parts forming an angle to one another of the dovetail-shaped end boundary surfaces can be closed off by surface sections running in vertical planes in the cutting angle region of the shaped bodies and in the outer leg regions to the base and top surfaces.
  • both a preliminary and a final shaft expansion can be created;
  • lining the drilled shaft tube immediately following the sinking or drilling progress is basically suitable as an outer shell of the permanent lining. Therefore, this shell must be connected to the mountains with an appropriate backfill.
  • Several methods are known for this, in particular the spraying with backfill concrete of different quality classes.
  • backfilling both on the individual built-in molded bodies and on the molded body lining as a whole exerts a not inconsiderable pressure directed towards the interior of the shaft until the concrete solidifies. This strives locally to move the molded bodies out of their position towards the interior of the shaft.
  • suitable shaping of the surfaces of the molded bodies that are in contact with one another this can be counteracted in such a way that they are positively supported against the adjacent molded bodies, so that the ring composite is given greater inherent stability.
  • This support can be brought about, for example, in that, according to one feature of the invention, the surface parts of the two dovetail-shaped projections and recesses of the shaped bodies which form an angle to one another are rotated in opposite directions about the same-sized angular amounts about an axis running transversely to their common angular intersection line. In a modification of this, it is also possible for these surface parts to be rotated in the same direction about the same-sized angular amounts about the axis running transversely to their common angular intersection line.
  • each of the two surface parts forms an angle protrusions and depressions of the shaped bodies which form one another are separated from one another in two sub-areas which are offset from one another, and that the separating region forms a stop which runs transversely to their common angular intersection line.
  • the shaft structure designed according to the invention can be designed with different cross-sectional areas depending on the intended use. For this purpose, however, it is necessary to design the shaped bodies to be used for the selected cross section while maintaining their basic features, it being an advantage of the invention that only one shaped body design is required and each shaped stone is suitable as a keystone. Therefore, according to the invention, the shaft structure can be designed with a polygonal-ring-shaped or also with a circular-cylinder-ring-shaped plan cross-section. In the former case, the shaped bodies forming the shaft structure can have either trapezoidal base and top surfaces in plan view or side surfaces that are angled one or more times about vertical axes, while in the second case the shaped bodies are sectors of a circular cylinder ring in plan view.
  • the size of these intermediate gaps can be selected and determined by determining the dimensions of the shaped bodies.
  • these intermediate gaps can be filled with special inter-column shaped bodies before backfilling, which can be in one or more parts. If these inter-column shaped bodies have a cone that rises slightly from the outside inwards, it is also possible to wedge the shaped blocks against one another, so that the shaft structure is considerably strengthened in terms of its stability and inherent stability.
  • the two surface parts of the dovetail-shaped projections and depressions which form an angle to one another and which delimit the shaped blocks on the end face are curved surfaces
  • the two boundary cutting lines, one of which is the angular cutting line of the Both surface parts and the others are the cutting line with the base and top surfaces of the shaped bodies, cut a pole beam running through the middle region between these boundary cutting lines at acute angles.
  • the interlocking dovetail-shaped projections and depressions act like a clamp and thus strengthen the positive connection between the end faces of the molded bodies.
  • the two surface parts of the dovetail-shaped projections and depressions which form an angle to one another and which delimit the shaped blocks on the end face can be curved surfaces, the two boundary lines of intersection, one of which is the angular line of intersection of the two surface parts and the other the lines of intersection with the base and top surfaces of the shaped bodies are parallel to a pole beam running through the central region between these boundary lines of intersection on both sides at a distance from the center axis of the shaft structure.
  • the surface parts of the dovetail-shaped projections and recesses are curved, but run essentially parallel to a pole beam - to the center of the shaft structure, which results in a shape of the molded body which is very favorable in terms of statics and strength, and which also has manufacturing advantages.
  • the special feature is to be emphasized that the two pole beams run through the two surface parts of the dovetail-shaped projections and recesses rising towards the interior of the shaft.
  • these design options of the dovetail-shaped forehead can be limited surfaces with which the top and bottom surfaces can be combined in different ways.
  • the shape of the shaped body for the manufacture of a shaft structure depends on the selected geometric cross-sectional plan of the shaft structure. Accordingly, the basic shapes of the shaped bodies required for this can also be designed differently. For the polygonal-ring-shaped cross-section of the plan according to claims 11 and 12, two different basic shaped bodies come into consideration, depending on whether the position of the dovetail-shaped interlocking of the shaped bodies is placed in the region of the long sides of the polygon or in the polygon corners.
  • a circular-cylindrical-ring plan cross section according to claim 13 is used, in which the full cutting machine with its large drilling capacity can also be used particularly advantageously.
  • the shaped body provided for the production of the shaft structure with this cross section has side faces of curved sections of concentric circular shape in plan view and is otherwise defined by the features of claim 3.
  • the surface parts forming the dovetail-shaped projections and depressions can have concave or convex curvature profiles in the direction tangential to the side surfaces, the curvature of which can be progressively changed in the longitudinal direction of the surface.
  • the surface parts assigned to the pole beams and forming the dovetail-shaped projections and depressions can be tangentially concave or convexly curved.
  • the shaft structure according to the features of the invention can be used temporarily or permanently without a connection by means of a backfill to the mountains or soil, for example in civil engineering or hydraulic engineering for a wide variety of uses. In such cases, it may be necessary to give the shaped body masonry sufficient strength by mutually bracing the shaped body.
  • the molded body can be provided in the direction of its side surfaces and parallel to its base and cover surfaces with a continuous bore within its cross section which is at a distance from its base and cover surface, and further bores can be made in the same direction.
  • the shaft structure When using the shaft structure as a bunker helix in underground construction, only the circular cylindrical plan shape comes into consideration, and in this case it is possible according to the invention to provide the spiral gutter on the inside of the shaft during the manufacture of the shaped bodies.
  • the shaped body has a channel-like profiled profile which runs diagonally across the cylindrical surface facing the inside of the shaft, as a section of a bunker spiral channel, which is recessed or raised in relation to the surface of the shaped body.
  • the molded body according to the invention can preferably be produced as reinforced or prestressed concrete work; however, it can also consist of other materials or combinations of materials. Moldings made of plastics can also be considered for some uses in civil engineering or hydraulic engineering at relatively shallow depths, while moldings made of metal or steel materials can also be used, at least in certain, particularly heavily used sections of underground mining shafts.
  • the further invention relates to a method for producing the shaft structure according to one or more of claims 7 to 17 using the molded body according to claims 1 to 6. It is irrelevant whether the sinking of the shaft tube by means of conventional methods or the die - Or full-cut drilling process is produced, although the great advantages of the invention can be fully exploited, especially in the latter drilling processes.
  • an upper end of the molded body is first anchored in place so that there are spaces between the anchored molded bodies for the interlocking hanging of further molded bodies by means of their dovetail-shaped projections and depressions for the successive formation of new molded body rings from top to bottom, and that in order to connect the shaft structure to the mountains, the space between its outer casing and the shaft tube is filled in batches from top to bottom with a material that can be introduced and set in a paste or paste or liquid state.
  • the setting material can be backfill concrete. Other suitable mixtures can also be used.
  • the drawing shows exemplary embodiments of the shaft structure according to the invention and of the production method and of the shaped body for its production, which are explained in more detail below.
  • Fig. 1 a detail from the wall of a circular shaft structure is shown in a perspective view from the inside, which is made from the moldings according to the invention.
  • the base and cover surfaces 1 and 2 of the shaped bodies rise from the outside inwards at an angle ⁇ , and the intermediate gaps 10 between these base and cover surfaces also increase at an angle ⁇ .
  • the space 20 is free between two shaped bodies of the same row which are arranged at a distance from one another.
  • the molded body A ' is inserted into this space in the radial direction from the inside to the outside; as a result of the angular inclination y, it descends during insertion. Because the molded article to be inserted takes up a higher position at the start of insertion, it is possible to insert it, even though the outer edges of the upper projections 5 have a wider extension than the opening space assigned to this level, as illustrated in FIGS. 14 and 15.
  • These show horizontal sections according to the section line F-F '(upwards) and G-G' (downwards).
  • the moldings have smoothly running base and cover surfaces 1, 2 (FIG. 2) and are arranged in a staggered manner one above the other. They border on the end face in horizontal planes E, offset from one another by a part of the height of the shaped body. Each molded body adjoins two other molded bodies on its two end faces, so that three molded bodies with their projections 5 and depressions 6 always form an interlocking engagement.
  • the projections 5 and depressions 6 are dovetail-shaped in the exemplary embodiment.
  • the surface 7 'and 7 2 of the dovetail-shaped projections 5 and depressions 6 form an approximately right angle a to one another in the exemplary embodiment.
  • the geometric shape of a typical molded body according to the invention can be seen as an exemplary embodiment from FIG. 2.
  • the surface sections 7 ⁇ 7 2 forming the angle a with respect to one another are delimited from one another by the angle cut lines Y, which intersect with sharp edges in FIG. 2 and which also end with sharp edges corresponding to the angle cut lines Y ⁇ Y 2 towards the base and cover surfaces 1 and 2.
  • the latter like the course of the angular intersection lines Y, Y 1 , Y 2 , are inclined from the outside inwards, increasing by the angle.
  • the surface sections 7 1 and 7 2 of the dovetail-shaped end boundary surfaces can spatially emerge in different ways from the planes determined by the axes Z and X, X 'and X 2 . 2, the surface parts 7 1 and 7 2 which are at an angle a to one another and form the dovetail-shaped boundary surfaces are rotated in the opposite direction by an angle about the axes Z. At the same time, the base and top surfaces 2 and 1 are inclined by the angle ⁇ in the direction of the shaft interior.
  • FIG. 3 shows a top view of the detail from the shaft structure or its wall according to FIG. 1.
  • the surface parts 7 1 and 7 2 of the dovetail-shaped end boundary surfaces of the molded body can also merge into one another in the intersection angle region 6 by surface sections 9 running in vertical planes and in the outer leg regions 5 to the base and cover surfaces 2, 1 to be finished.
  • Such heels can also be incorporated into the dovetailed surfaces 7 1 and 7 2 in a modification of the embodiment shown.
  • each of the two surface parts 7 1 and 7 2 of the projections 5 and depressions 6 of the shaped bodies forming an angle to one another are offset in two from each other Separate sub-areas 7a and 7b.
  • the separating area between the offset partial surfaces forms a stop 7c running transversely to their common angular intersection line Y.
  • This embodiment is possible - see FIGS. 7 and 8 - both in the embodiments in which the surface parts 7 1 and 7 2 merge into one another by means of curved surface sections in the cutting angle region 6 and in the outer leg regions 5, as well as in the embodiments (illustrated in FIG .
  • FIG. 6 shows a plan view of the interlocking of the adjoining surfaces 9 and their support by means of stop surfaces 9a.
  • the shaft masonry can have different symmetrical or asymmetrical layout cross sections; For example, an octagonal polygon plan cross section is shown in FIGS. 9 and 10. 9, the molded bodies A have flat side surfaces 3, 4 and trapezoidal base and top surfaces, while in the example according to FIG. 10 the molded bodies A are angled about a vertical axis and also flat side surfaces 3, 4 have, which form the polygon angle of the octagon of 135 ° to each other.
  • FIG. 11 shows the top view of a wall section of the shaft structure according to FIG. 3, in which a modified design of the shaped bodies is used in the manner described for FIGS. 2 and 4, in which the surfaces 9 running in vertical planes between the surface parts 7 1 and 7 2 are also rotated out of their normal position about the axes Z and are inclined at an angle with respect to the X axes so that the straight lines applied to the surfaces correspond to the axes Y, Y 1 and Y 2 .
  • FIG. 12 and 13 show partial cross sections through the wall of the shaft structure.
  • the intermediate gaps 10 between the superimposed shaped bodies rise at an angle ⁇ towards the interior of the shaft.
  • the molded block A 'to be introduced is shown in dash-dotted lines in its position before insertion. After insertion in the direction of the arrow, it assumes the position shown in FIG. 13.
  • FIG. 16 and 17 illustrate design possibilities of shaped bodies with a channel-like profiled section running as a section of a bunker spiral channel, which extends over the cylindrical surface facing the inside of the shaft and is helically wound.
  • a circular cylindrical shaft cross section for example into eight shaped blocks, it is sufficient to produce eight different shaped blocks which, when put together, result in a full helix which has a slope equal to a shaped body height.
  • any other slope can also be produced by appropriate design.
  • FIG. 16 shows an embodiment with a raised channel, while the molded body according to FIG. 17 has a channel which is partially recessed.
  • the seal consists of a flexible hose-like structure 25, which may be provided with a pressed-in setting material or else can be filled with a pasty, soft, easily deformable natural or plastic and sealingly abuts the outer casing 22 of the manhole structure and the surface of the manhole 23.
  • the seal 25 is held in position by the support device 29 by means of holders 30 until the backfill has set.
  • the carrying device 29 is formed from movable individual segments 28 which are arranged below the work platform 27.
  • FIG. 19 shows another procedure for sealing the intermediate space 21 between the shaft tube 23 and the shaft structure outer casing 22.
  • a carrying device 29 is inserted into the intermediate space 21, and a foamable plastic mass, e.g. B. polyurethane injected.
  • the carrying device has the task of preventing the injected plastic compound from sinking down into the free space during foaming until it solidifies.
  • the holding device 29 is lowered again and drawn into the area of the work platform 27. The backfill can then be carried out by pouring or injecting the backfill concrete.
  • FIG. 20 Another modified procedure is shown in FIG. 20.
  • a retractable and extendable and liftable and lowerable support device 33, 34 arranged on the work platform 27, 35 is shown, to which an annular hose 32 made of flexible, elastic, impermeable material is attached and fastened.
  • the ring hose 32 is then inflated by pressing in a gaseous or liquid pressure medium, so that it lies sealingly against the shaft tube 23 and the shaft structure outer jacket 22.
  • the backfill is then carried out.
  • the seal can be removed by emptying the pressure medium from the ring hose 32 and this can be removed from the annular space 21 by means of the carrying device 33, 34, 35 and used again in the next backfill section.
  • the carrying device consists of individual segments arranged on the work platform 27. These are designed as telescopes 33 for extending in radial directions and as further telescopes 34 arranged in the vertical direction for vertically entering the sealing position in the annular space 21.
  • the mode of operation explained in more detail above, shown in FIG. 20, combines several advantages.
  • the sealing hose 32 can be used again and again and remains on the carrying device; this is therefore only lowered by means of the work platform 27 or a special stage, not shown here. This creates the free space for inserting the next and the further shaped body rings by means of manipulation devices (not shown). If a new paragraph is to be backfilled, only the carrying device is moved with the sealing tube 32 upwards into the sealing position - see FIG. 20. After the sealing has inflated, the next backfilling process can be initiated immediately.
  • the intermediate gap 10 is filled with a filler 36, which is designed as a wedge with a slight slope.
  • the filler 36 can be made from the material of the molded body, or else from a somewhat softer and more elastic material.
  • Foil-like inserts 37 made of a pressure-resistant but elastically or plastically deformable material are inserted between the surface parts 7 1 and 7 2 of the interlocking interfaces.
  • Plastic polymers or PTFE-based plastics come into consideration as materials for these inserts 37. These inserts not only achieve a certain sealing effect. Mainly, such inserts can also distribute the deformation forces from the rock pressure, which are effective on the molded body composite, more evenly and elastically over the individual molded bodies.
  • the moldings according to the invention, as well as the shaft structure according to the invention and the procedure for its manufacture, can be modified and redesigned beyond the embodiments shown and described above only, whereby the basic idea is always, with a positive interlocking of three moldings with their front sides Covering surfaces to create a possibility for easy insertion of more and more molded articles from the inside in such a way that the gaps which form downwards and are delimited by two protrusions adjacent to each other rise obliquely from the outside inwards and that all the molded article rings hang together from top to bottom .
  • the invention is not limited to mining shaft structures for underground mining. In the same way, it can be used for all vertical shafts that occur, for example for ventilation shafts of tunnels and tunnel sections, or for other civil engineering shafts, such as Well shafts and the like more. In these cases, too, considerable savings in technical outlay and considerable time savings result when using the invention.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • Earth Drilling (AREA)
  • Revetment (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Floor Finish (AREA)
  • Extrusion Of Metal (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Sewage (AREA)
EP80104390A 1979-07-30 1980-07-25 Formkörpern zur Herstellung eines Schachtbauwerks sowie aus diesen Formkörpern bestehendes Schachtbauwerk und Verfahren zu dessen Herstellung Expired EP0023681B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80104390T ATE9729T1 (de) 1979-07-30 1980-07-25 Formkoerpern zur herstellung eines schachtbauwerks sowie aus diesen formkoerpern bestehendes schachtbauwerk und verfahren zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2930900A DE2930900C2 (de) 1979-07-30 1979-07-30 Formstein für den Ausbau eines seigeren Schachtes und Verfahren zur Herstellung eines Schachtbauwerkes
DE2930900 1979-07-30

Publications (2)

Publication Number Publication Date
EP0023681A1 EP0023681A1 (de) 1981-02-11
EP0023681B1 true EP0023681B1 (de) 1984-10-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104390A Expired EP0023681B1 (de) 1979-07-30 1980-07-25 Formkörpern zur Herstellung eines Schachtbauwerks sowie aus diesen Formkörpern bestehendes Schachtbauwerk und Verfahren zu dessen Herstellung

Country Status (4)

Country Link
EP (1) EP0023681B1 (enrdf_load_stackoverflow)
AT (1) ATE9729T1 (enrdf_load_stackoverflow)
DE (1) DE2930900C2 (enrdf_load_stackoverflow)
PL (1) PL225982A1 (enrdf_load_stackoverflow)

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DE270528C (enrdf_load_stackoverflow) *
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DE1654765U (de) * 1953-01-28 1953-04-30 Eberhard Borges Formstein fuer gruben-, schacht-, tunnelausbau u. dgl.
DE1195701B (de) * 1963-06-25 1965-07-01 Helmut Jeschor Dipl Ing Doppelschalige Schachtauskleidung fuer schacht-nahen Abbau
CH479777A (de) * 1968-09-26 1969-10-15 Spribag Ag Offene Rinne
DE6910034U (de) * 1969-03-12 1969-10-23 Helmut Huehnerbach Bauelement zur errichtung von stuetzpfeilern, insbesondere im bergbaulichen untertagebetrieb
US3620025A (en) * 1970-01-22 1971-11-16 Commercial Shearing Interlocking boltless lining and support structure for underground openings
US4104885A (en) * 1976-06-21 1978-08-08 Fairclough Construction Group Limited Tunnel lining

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DE2930900C2 (de) 1986-05-07
DE2930900A1 (de) 1981-02-26
PL225982A1 (enrdf_load_stackoverflow) 1981-04-24
ATE9729T1 (de) 1984-10-15
EP0023681A1 (de) 1981-02-11

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