JP2000129686A - Method for constructing rock-like slope face - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a weakness in scenery by applying a surface treatment onto a rock-like slope face. SOLUTION: A rock-like slope face is made flat as a design excavated surface and an anchor hole 4 is formed for a first stage decorative panel 11 to insert a threaded steel bar 6 into the hole 4 so as to protrude from the design excavated surface. An adjust spacer is brought into contact with the inlet portion of the hole 4 and an intermediate block, to which a lower press metal is fixed, is mounted on the spacer to mount the panel 11 and thereafter, the intermediate block and a first stage decorative panel 11a are fixed through the lower press metal using nuts. Next, a grout 12 is injected on the rear side of the panel 11a and the lower side of a second stage decorative panel 11b is inserted into between the lower press metal and an upper press metal to connect the first and second stage decorative panels 11a, 11b by a cover 13, and a similar step is repeated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a method for preventing falling rocks due to floating stones and deterioration of the surface of a rocky slope, and for fixing a decorative panel for a landscape of the slope.

[0002]

2. Description of the Related Art Conventionally, a rocky slope is generally sprayed with mortar or protected with a net covering while the slope is being worked. However, these construction methods have the following problems.

(A) In the case of rock surface: Weathering of the surface due to rain breeze not only involves the risk of falling rocks, but is also undesirable in view of the landscape.

(B) Spraying of mortar: In this case, after a long period of time, the mortar peels off, rainwater or the like infiltrates the back of the mortar, and the mortar floats, which is dangerous. Moreover, it is not preferable in view of the landscape.

(C) In the case of a net covering: The net is painful and it is difficult to keep it for a long period of time.

[0006]

Conventionally, most of rocky slopes have been left in the state of rock surface, and no surface processing has been performed. However, recently, in places that are easily noticeable to humans, the emphasis has been placed on the landscape, and it has become necessary to consider some surface treatment. The present invention has been made in view of such a demand, and has been made to solve a difficulty in a landscape of a rocky slope.

[0007]

[Technical Means] As a first step, after a rocky slope 1 is flattened as a planned excavation surface 2, an anchor hole 4 for a decorative panel 11 of the first step is formed.

As a second step, a screw steel rod 6 is implanted into the anchor hole 4 so as to protrude from the planned excavation surface 2.

In a third step, an adjusting spacer 9 is applied to the entrance of the anchor hole 4, and the intermediate block 8 to which the upper holding member 10 a is fixed is placed on the adjusting spacer 9.
After placing the intermediate block 8 and the first-stage decorative panel 11 on the upper holding fixture 10a,

Lower holding member 1 having an upper side bent upward.
0b is the intermediate block 8 and the first-stage decorative panel 11
a on the intermediate block 8 and the first
Fix the decorative panel 11a of the step with the lower holding metal fitting 10b,

As a fourth step, the first-stage decorative panel 11
grout 12 is injected into the back side of a.

As a fifth step, the second-stage decorative panel 1
1b, a lower holding member 10b, an upper holding member 10
A method of constructing a rocky slope, wherein the first and second decorative panels 11a and 11b are connected and fixed by the cover 13 with the cover 13 and the same steps are repeated thereafter.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the method of the present invention shown in FIGS. (First process) In FIGS. 1 to 3, 1: rocky slope, 2: planned drilling face, 3: drill, 4: anchor hole, 5: air, in FIG. 7, 14: foundation rocky slope, 15: Foundation,

(Second step) In FIG. 4, 6: Screw steel bar, 7: Hardening agent such as mortar of fast-curing resin, etc. (Third step) In FIG. Upper holding metal fittings, 10b: lower holding metal fittings, 10b1: bent portion, 11a: first decorative panel, 11b: second decorative panel, n: nut,

(Fourth Step) In FIG. 6, 12: grout, 13: cover, and the respective steps will be described below.

First step: After the hillock slope 1 is flattened as a planned excavation surface 2 with heavy equipment (FIG. 1), the centered anchor hole 4 for the first-stage decorative panel 11a is formed. Drill with drill 3. (Fig. 2) Next, debris and dust on the hole surface are removed with air 5 and a brush. (FIG. 3) In FIG. 7, reference numeral 14 denotes a foundation rocky slope left as a foundation surface, and reference numeral 15 denotes a foundation such as a road.

Second step: A screw steel rod 6 is implanted into the anchor hole 4 so as to protrude from the planned excavation surface 2. (FIG. 4) At this time, a curing agent 7 such as a fast-setting resin mortar is injected into the anchor hole 4.

Third step: As shown in FIG. 5, a spacer 9 is applied to the entrance of the anchor hole 4. The thickness of the spacer 9 corresponds to the thickness of the grout 12 injected in the fourth step. Further, a lower holding metal 10 is provided on the upper surface of the spacer 9.
b is fixed.

Next, the intermediate block 8 is placed on the lower holding member 10b. At this time, the upper end side of the first-stage decorative panel 11a is placed below the lower block 10b, following the intermediate block 8.

Next, the upper holding member 10a is brought into contact with the upper end side of the first-stage decorative panel 11a and the intermediate block 8. The upper end side of the upper holding metal 10a is the planned excavation surface 2
It is bent more outward, and the middle block 8
It protrudes more upward.

Fourth step: Grout 12 on the back side of first-stage decorative panel 11a is injected.

Fifth step: The lower end side of the second-stage decorative panel 11b is inserted between the upper holding member 10a and the lower holding member 10b. At this time, since the upper end side of the upper holding member 10a is bent upward (10b1 in the drawing),
The second-stage decorative panel 11b can be inserted between the holding metal fittings 10a and 10b simply by sliding down from diagonally above.

Next, the boundary between the first and second decorative panels 11a and 11b is covered with the cover 13. Hereinafter, the same steps are repeated.

[0024]

A: The landscape after construction of the rocky slope 2 is improved.

B: The adjusting spacer 9 is provided, and the grout 12 is provided on the back surfaces of the decorative panels 11a, 11b,.
, The decorative panels 11a, 11b,... And the planned excavation surface 2 have good adhesion, and can withstand long-term use of the decorative panels 11a, 11b,.

C: At the time of construction, since the upper end side of the upper holding member 10b is bent, the decorative panel 11 of the second stage is
b can be inserted between the holding metal fittings 10a and 10b only by sliding down. In addition, since the cover 13 is provided, the bent portion 10b1 becomes straight. Therefore, the decorative panel above the second stage can be easily fixed, and the scenery can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a rocky slope 1;

FIG. 2 is a cross-sectional view at the time of drilling an anchor hole 4;

FIG. 3 is a cross-sectional view when the anchor hole 4 is cleaned,

FIG. 4 is a cross-sectional view when the screw steel rod 6 is implanted in the anchor hole 4;

FIG. 5 is a sectional view of a third step,

FIG. 6 is a sectional view of a fourth step,

FIG. 7 is a perspective view of the intermediate block 8,

FIG. 8 is a plan view of a construction surface,

FIG. 9 is a sectional view of a construction surface,

[Explanation of symbols]

1: rocky slope, 2: planned drilling face, 3: drill, 4: anchor hole, 5: air, 6: screw steel bar, 7: hardener, 8:
Intermediate block, 9: adjusting spacer, 10a: upper holding metal, 10b: lower holding metal, 11a, 11b, 11c
‥‥‥: decorative panel, 12: grout, 13: cover,
14: foundation rocky slope, 15: foundation.

Claims (1)

[Claims] 1. As a first step, after a rocky slope 1 is flattened as a planned excavation plane 2, an anchor hole 4 for a decorative panel 11 of a first step is drilled. 4, a threaded steel rod 6 is implanted so as to protrude from the planned excavation surface 2. As a third step, an adjustment spacer 9 is applied to the entrance of the anchor hole 4, and the lower press fitting 1 is placed on the adjustment spacer 9.
After the intermediate block 8 to which the fixed block 0b is fixed is placed, the intermediate block 8 and the first-stage decorative panel 11 are placed on the lower retainer 10b, and the lower retainer 10b whose upper side is bent upward is moved to the intermediate block. 8 and the first-stage decorative panel 11a, and the intermediate block 8 and the first-stage decorative panel 11a are fixed with nuts n with the lower holding metal fittings 10b. The grout 12 is injected into the back side of the decorative panel 11a. As a fifth step, the lower end of the second-stage decorative panel 11b is inserted between the lower holding member 10b and the upper holding member 10a. A method for constructing a rocky slope, in which the first and second decorative panels 11a and 11b are connected and fixed, and the same steps are repeated thereafter.