DE1709336A1 - PROCESS FOR THE PRODUCTION OF A CONTINUOUS BORED PILE WALL FOR RETAINING WALLS, BUILDING PIT ENCLOSURES AND THE LIKE - Google Patents

Description

PATENT ADVOCATE DIPL.-PHYS. HEINRICH SEIDS

62 Wiesbaden · Rheinstrasse 121 · P.O. Box 670 · Telephone 30 34 59

Postal check Frankfurt / Main 1810 08 Bank Deutsche Bank 3956372 j 709336

P 17 09 363.6-25 Wiesbaden, October 5, 1971

W / To - W 1055

Dipl.-Ing. Gino W ey 6090 Rüsselsheim
Amselstrasse 20

Process for the production of a continuous bored pile wall for retaining walls, Excavation enclosures and the like.

Eliminated from P 16 34 659.1-25

Addition to P 16 34 658.0-25 = P 13 03 147.5-25

The main patent relates to a method for the production of a continuous bored pile wall for retaining walls, construction pit enclosures and the like. By making bores, their center-to-center spacing in order to achieve a cross-sectional overlap is smaller than the diameter of these holes, each hole to which there is a hole to be drilled is equipped with a removable support insert, which corresponds to the profile of a subsequent overlapping Hole is designed, then removed the support inserts and finally filled cavities with hardening material as required to complete the wall structure.

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Dipl.-Phys. Heinrich Seids · Patent Attorney · 62 Wiesbaden · Rlieinstrafie 121 ■ P.O. Box 670 · Telephone 3034

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The invention is an essential development and improvement of the method of the main patent to the effect that in Parts of the retaining walls or the like that are traversed by groundwater or slope water are no longer directly connected to the Groundwater or slope water are in contact and thus it is prevented that the concrete of the bored piles is prevented by frost effects in winter or whose validity is destroyed by corrosion.

^ This is achieved by the invention in that α a) a first row of holes spaced center-to-center is sunk, which is larger than the bore diameter, but smaller than twice the bore diameter is,

b) the support inserts and protective plates on one side of the wall are attached to these drill holes,

c) a second row of boreholes is drilled between the boreholes of the first row,

d) in the drill holes of the second row of auxiliary pipes externally applied insulating film are used,

e) the auxiliary pipes are filled with in-situ concrete and drawn before the in-situ concrete sets, leaving behind the insulating film the cavities released by the drawing of the auxiliary pipes are filled with injection mortar,

309882/0001

Dipl.-Phys. Heinrich Seids · Patent Attorney ■ 62 Wiesbaden ■ Rheinstrasse 121 · P.O. Box 670 · Telephone 3034

The invention makes it possible to use the or earthworks permeated by slope water To completely encase bored piles with insulation foil and to shield against the water. This makes it possible to lead the bored piles deeper into the ground, which is a higher support effect for the structure is achieved, so that * ß in cases where up to now tie rods have been laid in the ground at high cost to absorb the horizontal earth forces had to, at least the anchorage depth was much shorter

designed or even completely relied on such anchoring can be drawn.

Furthermore, it is possible through the invention "in the calculation to assume that the reinforcement steel is subjected to higher stresses due to the lower risk of corrosion, whereby a cost saving can also be achieved.

In the context of the invention, it is possible to use the method steps | Replace d and e with the following: M

f) that in the drilled holes of the second row with the protective plates of the first row aligned protective plates if necessary with an insulating film on the inside be brought in,

g) that the holes in the second row are filled with in-situ concrete and the joints between the protective plates be grouted with injection concrete and

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Dipl.-Phys. Heinrich Seids · Patent Attorney · 62 Wiesbaden · Rhcinstrasse 121 ■ P.O. Box 670 · Telephone 3034

h) that finally the support inserts from the boreholes the first row can be pulled out

The insulating film introduced into the hole in the second row with the protective plates in this process can be exposed The bored piles created in this way are detached from them on the exposed area and against the protective plates of the first row Drilled holes are laid and connected to one another there, so that a continuous, flat back insulation for the front or Retaining wall or the like placed between the bored piles can be formed.

In the context of the invention, it is also possible to insert protective plates into the drill holes in the first row and / or in the second row to be introduced from porous material. As a result, a vertical drainage can be used to drain off slope water or the like are formed.

To protect the insulating film inserted in the hole when exposing the bored piles can according to the invention in the bores of the second row, each with the auxiliary pipe or with the protective shell, a sheet covering the insulating material, Essentially C-shaped filler shell extending from protective shell to protective shell of the holes in the first row be introduced, which again after uncovering the bored piles

309887/0001

Dipl.-Phys. Heinrich Seids · Patent Attorney · 62 Wiesbaden · Rheinstrasse 121 ■ P.O. Box o70 · Telephone 303459

Will get removed.

The invention is explained in more detail below with reference to the drawing Explained .-- It show:

FIG. 1 shows a structure with complete insulation produced in the method according to the invention in section o-o according to Figure p-p;

FIG. 2 shows the structure according to FIG. 1 in section p-p; "Figure 3 shows the structure of Figure 1 in section q-q; {j FIG. 4 shows a bored pile according to FIG. 1 in section r-r

and
FIG. 5 shows a bored pile according to FIG. 1 in section ss.

In Figures 1 and 2, a pile wall to be produced in the method according to the invention is shown, which with its lower! is located in an area permeated by groundwater. For this purpose, a first row of boreholes I is in a center | was sunk, which is larger than the bore diameter ~ but smaller than twice the bore diameter. In these First row of boreholes I are support inserts III, for example hose supports and protective plates on one wall side 1 introduced. The support inserts III serve to hold the protective plates 1 and, in particular, to guide the drilling during ! bring the now between the holes I of the first row

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Dipl.-Phys. Heinrich Seids · Patent attorney ■ 62 Wiesbaden ■ Rheinstrasse 121 · P.O. Box 670 · Telephone 3034 5?

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to be brought down, the boreholes I intersecting boreholes II of the second row.

There are two ways of proceeding according to the invention: In the example shown, auxiliary pipes 2 with insulating material lying on the outside are inserted into the boreholes II of the second row -Slide 4 inserted.

In this procedure, the tub-shaped insulation enables. For this purpose, as can be seen in particular from FIG. 1, placed the film 4 all around and under the end of the auxiliary pipe 2 located in the ground around the auxiliary pipe 2 and up to above the layer permeated by groundwater in the dry area, it is sufficient to only partially cover the film 4 To put the circumference of the auxiliary tube 2 in order with the respective neighboring Foil part of the other hole II located next to this hole I in the same row, one located in alignment To be able to produce insulation surface, as will be described later.

The auxiliary pipes 2 inserted into the bores II of the second grater are filled with in-situ concrete and before the in-situ concrete sets drawn leaving behind the insulating film 4, the cavities freed by the pulling of the auxiliary tube 2 be filled with injection mortar 6.

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Dipl.-Phys. Heinrich Seids · Patent Attorney · 62 Wiesbaden · Rheinstrasse 121 · P.O. Box 670 · Telephone 3034

After the in-situ concrete has hardened, the support inserts III are pulled out of the holes I in the first row and the bored piles 5 are exposed to the required depth. After that, the 5 adhering to the perimeter of the Orfbetonpfile Insulating film 4 detached from the posts 5 and placed between the posts 5, also exposed Protective plates 1 of the holes I of the first grater turned over and there, as well as with the ropes protruding from the ground Welded tub insulation.

In the modified procedure according to the invention, protective plates 3, which are aligned with the protective plates 1 of the first row and have an insulating film 4 on the inside, are introduced into the boreholes II of the second row. This modified procedure is preferred when only a flat back insulation against slope water or the like. Is necessary. The bores II of the second row are also filled with in-situ concrete in this procedure and the joints i between the protective plates 3 are pressed with injection concrete 7. j

Regardless of the method used to create the bored pile wall after the tight connection of the insulating foil parts, As shown in Figure 1, an angle retaining wall is placed in front of the pile wall, whereby the preservation of the angle

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Dipl.-Phys. Heinrich Seids · Patent Attorney ■ 62 Wiesbaden · Rheinstrasse 121 · P.O. Box 670 · Telephone 3034

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retaining wall is introduced into the space between the piles 5.

The i'igures 1 and 2 show a pile wall with a complete one Insulation. The right side of these figures illustrates the corsage drilling of a borehole with auger drilling in the Groundwater. The auger 11 has a rod with a hollow bore, with a connection 12 for water and compressed air at the top is appropriate. On the drill pipe 13 there is a compressed air lock 14, which consists of two rotatable around a hinge 15 ! 'and is provided with a seal 16. After the snail has penetrated, the lock 14 is closed and put under compressed air. After drilling, the compressed air lock 14 is opened and at the same time compressed air or compressed air and water or water alone is pressed in by the hollow bobr rod while the auger is being pulled. The one next to it The borehole is filled with a hose support III and a protective shell 1.

This is followed by the manufacture of a completely isolated one Shown on the stake:

An auxiliary pipe 2 is introduced into the borehole. On this auxiliary pipe with a smaller diameter than the borehole is the Tensioned insulating film 4 in such a way that in the lower part

309882/0001

Dipl.-Phy · ,. Heinrich Seids · Patent Attorney ■ 62 Wiesbaden ■ Rheinstrasse 121 · P.O. Box 670 ■ Telephone 30 34

the film completely encloses the auxiliary tube 2, while in the part later located above the ground, the film only is attached to the back and is stretched over the tube with the help of individual foil strips 9. Are at the same time in the upper air side, above the ground part of the Pile filling trays 8 attached. During the concreting of the pile, the cavity between the foil and the pipe wall is filled with injection mortar 6 pressed out. The auxiliary pipe 2 is pulled during or after concreting, after the piles are exposed the filling trays 8 are removed. The insulating film 4 is welded to the back of the protective shells 1 and to the bottom.

Figures 3 »4 and 5 show individual sections through the building, After the insulation has been carried out and the reinforcement has been introduced, the concrete is attached to the concrete in the known manner Walls and introduced into the sole.

309882/0001

Claims (6)

Dipl.-Phys. Heinrich Seids ■ Patent Attorney · 62 Wiesbaden · Rheinstrasse 121 · Postfach 670 · Telephone 3034 5 <> Patent claims: 1. Process for the production of a coherent bobr pile wall for retaining walls, excavation enclosures and the like by re-drilling holes, their Center-to-center distance is smaller than the diameter of this drill hole in order to achieve a cross-sectional overlap ^ gen »whereby every borehole to which a still to be ^ Transferring hole connects, with a removable support insert is equipped, which is designed according to the profile of a subsequent overlapping hole, then the support inserts are removed and finally the cavities are filled with hardening material as far as it is necessary to complete the wall structure according to patent ... (patent application P 16 34 658), characterized in that, a) that a first row of boreholes is drilled at a center distance greater than that ™ Hole diameter, but smaller than double the hole P diameter is, b) that the support inserts and protective plates are attached to one side of the wall in these boreholes, c) that a second row of boreholes is drilled between the boreholes of the first row, d) that in the drill holes of the second row of auxiliary pipes «11 - 309882/0001 Dipl.-Phys. Heinrich Seids · Patent Attorney ■ 62 Wiesbaden - Rheinstrasse 121 · P.O. Box 670 · Telephone 3034 Insulation foil applied on the outside is used will" e) that the auxiliary pipes are filled with in-situ concrete and before setting The cast-in-place concrete is pulled, leaving behind the insulating film, with the pulling of the auxiliary pipes vacated cavities with injection mortar be filled. 2. The method according to claim 1, characterized in that ™ the process steps d and e are replaced by the % process steps: f) that in the drilled holes of the second row with the protective plates of the first row aligned Protective plates are introduced, g) that the holes in the second row are made of in-situ concrete filled and the joints between the protective plates pressed with injection concrete | become and ^ h) that finally the support inserts pulled out of the holes in the first row will. 3. The method according to claim 2, characterized in that in - 12 - 30988? / 0001 Dipl.-Phys. Heinrich Seids · Patent Attorney ■ 62 Wiesbaden · Rheinstrasse 121 · P.O. Box 670 ■ Telephone 3034 59 - 12 - the drill holes of the second row of protective plates are made with an insulating film on the inside. 4. The method according to any one of claims 1 to 3, characterized in that that introduced into the holes of the first row and / or the second row protective plates made of porous material will. ™ 5. The method according to any one of claims 1 to 3, marked by W is characterized in that each of the holes of the second row, with the auxiliary pipe or of the protective shell, a the insulating film covering, protective shell to protect shell of the bores of the first Row reaching, essentially 0-shaped filling tray is introduced, which is removed again after exposing the bored piles. 6. The method according to any one of claims 1 to 4, characterized | shows that when the holes are re-drilled under the ground ^ water the borehole to be drilled is placed under compressed air from above. 30988? / 0001 Blank page