JP2803575B2 - Slope staircase and slope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope step block installed on a slope when embankment is constructed.

[0002]

2. Description of the Related Art Conventionally, when embankment is constructed, a sloping block made of precast concrete is stretched on a slope (slope). Conventionally, when climbing or descending a slope for inspection or the like in such a law cover, the law frame block is stretched and a person walks directly in the place where the law frame block is stretched. But then, climbing up and down is troublesome,
It is also dangerous.

Therefore, it is conceivable to provide stairs on the slope by casting concrete in place.

[0004]

As described above, when a slope is made of a precast concrete siding block, when climbing or descending a slope, conventionally, the place where the slab block is stretched is directly walked. Because
There was a problem that climbing and descending was troublesome and dangerous. On the other hand, it is conceivable to provide stairs on the slope, but if the stairs are formed by casting concrete in place, the work is troublesome.

An object of the present invention is to solve such a problem, and an object of the present invention is to make it easy to provide stairs on a slope in a slope covering made of precast concrete.

[0006]

According to the first aspect of the present invention, there is provided a sloped staircase block fitted in an opening of a sloped frame block made of precast concrete, which is installed on a sloped surface. It is made of precast concrete having a base and a substantially triangular prism-shaped step formed on the upper surface of the base, and extends from the upper and lower side surfaces of the base to the step to the outside from the opening of the legal frame block. Each of the bent portions is bent.

According to a second aspect of the present invention, in the slope side step block according to the first aspect of the present invention, in order to achieve the above object, a concave portion is provided in the tread portion of the step portion, and a hanging portion is provided in the concave portion. The metal fittings are fixed.

According to a third aspect of the present invention, in order to achieve the above object, a lawn cover made of precast concrete placed on a slope, a base fitted into an opening of the lawn block, and A slope step block made of precast concrete having a substantially triangular prism-shaped step section protrudingly formed on the upper surface of the base section, and from the upper and lower side surfaces of the base of the slope step block to the step section, Step portions bent outward from the opening of the legal frame block are formed.

[0009]

According to the present invention, the base of the slope step block is fitted and installed in the opening of the slope frame block made of precast concrete placed on the slope. The user can walk up and down the slope by walking the stairs formed on the upper surface of the base. And, as described above, in a state where the base of the slope step block is fitted into the opening of the legal frame block, the step from the upper and lower side surfaces of the base to the step is formed from the opening of the legal frame block. It is located so as to cover the outside. Thereby, the installation state of the slope step block becomes more reliable, and the separation between the step portions of the vertically adjacent slope step blocks decreases.

According to the second aspect of the present invention, when the slope step block is installed, the slope step block is provided by a crane or the like using a hanging bracket in a recess provided in the tread portion of the step section. Carry by hanging. At this time, since the tread portion is directed upward, the slope step block can be lowered and installed on the slope. After the installation, the recess may be filled with mortar or the like together with the hanging bracket.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. 1 to 3, reference numeral 1 denotes a legal frame block made of precast concrete. The legal frame block 1 has a size of 1 m square and is installed on a slope when embankment or the like. The inside of the legal frame block 1 is an opening 3 having chamfers 2 at four corners.
Has a tapered shape tapering toward the back surface side. The outer side surface of the legal frame block 1 also has chamfered portions 4 at four corners, and a connecting bar (large flattening reinforcing bar) as a connecting portion protrudes from the chamfered portion 4 and is fixed. Have been. The connecting bars of the legal frame blocks 1 that are obliquely adjacent to each other are connected to each other by a reinforcing bar, and the mortar 7 is packed between the chamfered portions 4. In the opening 3 of the legal frame block 1, for example, a filling material 8 such as a boulder, a concrete plate, or soil for vegetation is packed.

Reference numeral 11 denotes a slope step block made of precast concrete. The slope step block 11 is fitted into the opening 3 of the slope frame block 1 and is installed on the slope. And a generally triangular prism-shaped stepped portion 13, 14, 15 protrudingly formed on the upper surface of the main body. The base
12 is almost flat, but like the opening 3,
The side surface is tapered toward the back surface side, and has chamfered portions 16 at four corners of the side surface. In addition, the slope step staircase block 11 is for a slope having a slope of about 1.0 split. At an angle of 45 ° to it. Note that V-groove-shaped anti-slip joints 20 are formed in each of the tread portions 17, 18, and 19. In addition, the base 12
Steps 21 and 22 that are bent outward from the opening 3 of the legal frame block 1 are formed from the upper side surface and the lower side surface to the step portions 13 and 15.

On both left and right sides of the upper and lower stairs 13, 15, handrail fixing holes 26 are formed perpendicularly to the treads 17, 19, respectively. As shown in detail in FIGS. 6 to 8, through holes 27 are formed to penetrate from the handrail fixing holes 26 to the side surfaces of the steps 13, 15. Are formed. On the other hand, handrail fixing holes
A nut 29 is embedded on the opposite side of the through-hole 27 with respect to 26. Then, the both ends of the handrail 31 are inserted into the upper and lower handrail fixing holes 26, and the bolts 32 penetrating the through holes 27 and the handrail 31 are screwed to the nuts 29, so that the handrail 31
Is fixed to the slope step block 11. After that, the mortar is packed into the handrail fixing hole 26 and the concave portion 28 where the head of the bolt 32 is located. The handrail 31 may be provided only on one of the left and right sides of the slope step block 11.

Further, a concave portion 33 is formed at the center of the tread portion 18 of the central stair portion 14, and a data anchor 34 as a hanging bracket is fixed in the concave portion 33.

When the slope step block 11 is installed, the base 12 is fitted into the opening 3 of the slope block 1 already installed on the slope. This fitting is easy because the base 12 and the opening 3 are tapered. A joint mortar 38 is provided between the side surface of the base 12 and the side surface of the opening 3. Also, the slope staircase block
When installing 11, connect the connecting bracket to the
Attach the crane wire 36
By hooking the hook 37 at the tip of the, the slope step block 11 can be suspended and carried. At this time,
Since the tread portions 17, 18, and 19 face upward, the slope step block 11 can be lowered as it is and can be easily installed on the slope. After the installation, the connecting bracket 35 is detached from the deha anchor 34, and then, together with the deha anchor 34, the recess 33 is formed.
Is filled with mortar. With this,
Neither 34 nor recess 33 are in the way when using the stairs.

In this way, by assembling the slope side staircase blocks 11 at appropriate positions in the upper and lower rows of the opening 3 of the slope frame block 1, stairs from the bottom to the top are formed. Therefore, at the time of inspection or the like, the user can easily and safely go up and down the slope by walking the steps 13, 14, and 15 of the slope step block 11. In addition, as described above, the stairs can be easily and reliably formed on the slope by simply fitting the base 12 of the slope step block 11 into the opening 3 of the slope frame block 1.

By the way, in a state where the base 12 of the slope step block 11 is fitted into the opening 3 of the slope block 1, a stepped portion from the upper and lower side surfaces of the base 12 to the steps 13, 15 is provided. 21 and 22 are positioned so as to cover the outside from the opening 3 of the legal frame block 1. Thereby, the installation state of the slope step block 11 becomes more reliable, and the separation between the step portions 13 and 15 of the vertically adjacent slope step block 11 decreases. Therefore, the stairs can be easily walked.

Next, a second embodiment of the present invention will be described with reference to FIGS. Parts corresponding to those of the first embodiment are denoted by the same reference numerals,
The description is omitted. Slope step block of the second embodiment
11 is for a 1.5-slope slope, with a staircase 1
3, 14, 15 tread portions 17, 18, 19 form an angle of about 35 ° with the surface of base 12. Other configurations are the same as in the first embodiment. However, in the slope side staircase block 11 of the second embodiment, the chamfered portion is not provided at the corner of the side surface of the base 12, and the corner of the side surface of the base 12 and the opening 3 of the slope frame block 1a are not provided.
A filling mortar 39 is provided in a gap formed between the mortar 39 and the chamfered portion 4.

The legal frame block 1a is 2 × 3 m
The openings 3 are arranged in 2 × 3 rows. As described above, a large frame having a plurality of openings 3 in addition to a single opening 3 is used as the legal frame block according to the state of the slope, and those having different sizes are combined. It is also possible.

Further, as described above, in addition to the legal frame blocks 1 and 1a made of precast concrete formed into a frame shape from the beginning, as shown in FIG. 11, a rod-shaped member 9 made of precast concrete is used. The slope step block 11 can also be installed on the legal frame block 1b configured by combining the above.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made. For example,
The dimensions and shape of the legal frame block and the slope step block are
The present invention is not limited to the above embodiment. For example, the slope of the slope step block can be other than the 1.0% gradient and the 1.5% gradient, and the number of steps of the stair portion is not limited to three or nine. Further, various structures of the legal frame block are also possible.

[0022]

According to the first aspect of the present invention, there is provided a precast having a base fitted into an opening of a legal frame block installed on a slope, and a step formed on an upper surface of the base. With the slope step block made of concrete, stairs can be easily and reliably provided on the slope. Furthermore, since the stepped portion bent outward from the opening of the sloping block is formed from the upper and lower side surfaces of the base to the stairs, the installation state of the sloping staircase blocks can be more reliably set, and The isolation between the steps of adjacent slope step blocks can be reduced.

According to the second aspect of the present invention, a recess is provided in the tread portion of the stair portion, and a hanging bracket is fixed in the recess. In addition, since the tread portion is directed upward at this time, the installation of the slope step block becomes easier. Furthermore, since the hanging metal fittings are provided in the recesses, they can be filled with mortar or the like after installation, and do not hinder the use of the stairs.

According to the third aspect of the present invention, a slab block made of precast concrete installed on a slope,
A slope cover comprising a precast concrete block having a base fitted into the opening of the lawn block and a substantially triangular prism-shaped stepped portion protruding from an upper surface of the base. Stairs can be easily and reliably provided on the surface. Furthermore, since the stepped portion bent outward from the opening of the slope frame block was formed from the upper and lower side surfaces of the base of the sloped staircase block to the stepped portion, respectively, the installation state of the sloped staircase block was more reliably. It is possible to reduce the isolation between the step portions of the vertically adjacent slope step blocks.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a slope step block according to the present invention.

FIG. 2 is a longitudinal sectional view of the same.

FIG. 3 is a cross-sectional view of the same.

FIG. 4 is a front view of one of the slope step blocks;

FIG. 5 is a side view of one slope step block according to the first embodiment;

FIG. 6 is a front view of the railing fixing hole.

FIG. 7 is a cross-sectional view of the handrail fixing hole.

FIG. 8 is a longitudinal sectional view of the handrail fixing hole.

FIG. 9 is a front view showing a second embodiment of the slope step block of the present invention.

FIG. 10 is a longitudinal sectional view of the same.

FIG. 11 is a front view showing a third embodiment of the slope step block of the present invention.

[Explanation of symbols]

 1,1a, 1b Lawn frame block 3 Opening 11 Slope staircase block 12 Base 13,14,15 Staircase 18 Treadboard 21,22 Stepped section 33 Concavity 34 Data anchor (hanging bracket)

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Shigeru Matsuura 485, Sakado, Okamachi, Minamiuonuma-gun, Niigata Pref. Shinwa Concrete Industry Co., Ltd. 63-114712 (JP, A) Japanese Utility Model Application Hei 3-76040 (JP, U) Japanese Utility Model Application Utility Model 3-58328 (JP, U) Japanese Utility Model Application Sho 60-42101 (JP, Y2) (58) Fields surveyed (Int) .Cl. ⁶ , DB name) E02D 17/20 E02B 3/14

Claims (3)

(57) [Claims] 1. A precast having a base fitted into an opening of a slab block made of precast concrete placed on a slope, and a substantially triangular prism-shaped step protruding from an upper surface of the base. A sloped staircase block, which is made of concrete and has a step portion bent outward from an opening portion of a sill block from an upper side and a lower side surface of the base to a stepped portion. 2. The slope step block according to claim 1, wherein a recess is provided in the tread portion of the stair portion, and a hanging bracket is fixed in the recess. 3. A lawn block made of precast concrete placed on a slope, a base fitted into an opening of the lawn block, and a substantially triangular prism-shaped step formed on an upper surface of the base. And a slope step block made of precast concrete having
A method cover, wherein a step portion bent outward from an opening of a legal frame block is formed from an upper side surface and a lower side surface of a base portion of the slope surface step block to a step portion.