JPH0442364Y2 - - Google Patents
Info
- Publication number
- JPH0442364Y2 JPH0442364Y2 JP8642487U JP8642487U JPH0442364Y2 JP H0442364 Y2 JPH0442364 Y2 JP H0442364Y2 JP 8642487 U JP8642487 U JP 8642487U JP 8642487 U JP8642487 U JP 8642487U JP H0442364 Y2 JPH0442364 Y2 JP H0442364Y2
- Authority
- JP
- Japan
- Prior art keywords
- block
- foam
- rectangular parallelepiped
- blocks
- soft ground
- 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
Links
- 239000006260 foam Substances 0.000 claims description 22
- 239000004576 sand Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 239000002245 particle Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は盛土工法用熱可塑性樹脂発泡体ブロツ
クを用い、橋、道路、ビル等の軟弱地盤を補強、
断熱した基礎構造に関する。[Detailed description of the invention] [Industrial field of application] This invention uses thermoplastic resin foam blocks for embankment construction to strengthen the soft ground of bridges, roads, buildings, etc.
Concerning insulated foundation structures.
従来、軟弱地盤を補強するには第４図イ示のよ
うにその軟弱な基盤土壌１を削土し、その上に嵩
密度が0.02ｇ／cm3の発泡ポリスチレンよりなるブ
ロツク２，２……を第４図ロ示のように積み上
げ、その上に被覆土壌３を設けてその上にコンク
リート或いはアスフアルトの舗装層４を設けてい
た。第４図ハは橋脚５の隣接位置に、第４図ニは
ビル６の基礎にこの発泡ポリスチレンを用いて盛
土施工した場合を夫々示す。
Conventionally, in order to reinforce soft ground, as shown in Figure 4, the soft foundation soil 1 is excavated, and then blocks 2, 2 made of expanded polystyrene with a bulk density of 0.02 g/cm 3 are placed on top of it, as shown in Figure 4. were piled up as shown in FIG. 4B, and a covering soil 3 was provided on top of it, followed by a paving layer 4 of concrete or asphalt. FIG. 4C shows the case where the embankment is constructed adjacent to the pier 5, and FIG. 4D shows the case where the foamed polystyrene is used for the foundation of the building 6.
上記発泡体のブロツク２を用いる盛土工法はパ
イル打込、石灰安定化、土壌包装等より50％も安
価でかつブロツクは軽量であるから作業し易いと
共にその軽量により基盤土壌への建物、舗道等の
重量が軽減される等の長所があるが、各ブロツク
を敷き詰め、段積みしていくとき、各層のブロツ
クのレベルを略同一とする必要があり、そのレベ
リングの作業を容易とするため、各ブロツクの
縦、横、高さの寸法を同一とすることは勿論のこ
と、敷設しやすい様に縦と横の寸法比を１：１と
したり、１：２または２：１としている。
The embankment method using the foam block 2 is 50% cheaper than pile driving, lime stabilization, soil packaging, etc., and the blocks are lightweight, making it easy to work with. It has the advantage of reducing the weight of the blocks, but when laying and stacking each block, it is necessary to make the level of the blocks in each layer almost the same. The length, width, and height of the blocks are of course the same, and the ratio of the length and width is 1:1, 1:2, or 2:1 to facilitate laying.
しかしながら、軟弱地盤の土壌の上に砂を敷設
して表面を平担にしたつもりであつても、実際に
は土壌に土砂の他に小石や木片等が混入している
ことが応々にあり、レベリングの糸を張つて、発
泡体のブロツクを砂の上に敷設していくと各ブロ
ツクのレベルは同一とならず、敷設したブロツク
を一旦横に置いて砂を削るか足して再度表面を平
担とした後、ブロツクを敷設し、レベルが揃つた
か確認する必要があり、レベルが揃わなければ、
再びブロツクを横に置き表面の砂の量を加減し、
レベリングの調整をする必要があり、最下層の発
泡体ブロツクのレベリング調整に非常に手間取つ
ているのが実情である。 However, even if you intend to lay sand on top of soft soil to make the surface flat, in reality, the soil may sometimes contain pebbles, wood chips, etc. in addition to earth and sand. When the leveling thread was stretched and the foam blocks were laid on the sand, the level of each block was not the same, so the laid blocks were placed aside and sand was scraped or added to the surface again. After laying it flat, it is necessary to lay down the blocks and check whether the levels are aligned.If the levels are not aligned,
Place the block aside again and adjust the amount of sand on the surface.
It is necessary to adjust the leveling, and the reality is that it takes a lot of time to adjust the leveling of the foam block at the bottom layer.
本考案においては、従来の発泡体ブロツクの底
面全体が平担であつたのを、底面に空所を多数設
けた構造とし、敷設したブロツクのレベリングが
位置決めの糸に一致しないときはこのブロツクを
上から荷重をかけながら前後、左右に、必要によ
り旋回運動をかけてブロツクの上面のレベルを位
置決め用糸のレベルに面一させることができる。
In the present invention, the entire bottom surface of the conventional foam block was flat, but the bottom surface has a structure with many hollow spaces, and when the leveling of the laid block does not match the positioning thread, this block can be removed. While applying a load from above, it is possible to make the upper surface of the block flush with the level of the positioning thread by applying a pivoting motion back and forth, left and right, if necessary.
即ち、本考案は、軟弱地盤の表面に、砂を敷い
て平担面とし、この平担面の上に、底面に底面積
の10〜80％の割合で空所を多数設けた発泡体より
なる直方体ブロツクを多数前記平担面上に敷き詰
め、レベリング調整し、これら敷き詰めた直方体
ブロツクの上面に、発泡体よりなる直方体ブロツ
クを多数敷き詰めたのち、これら発泡体の直方体
ブロツクを埋土した構造の軟弱地盤の基礎構造を
提供するものである。 In other words, the present invention is based on a foam material in which sand is spread on the surface of soft ground to form a flat surface, and on top of this flat surface, a large number of voids are provided at the bottom surface at a ratio of 10 to 80% of the base area. A large number of rectangular parallelepiped blocks made of foam are spread on the flat surface, the leveling is adjusted, and a large number of rectangular parallelepiped blocks made of foam are spread on the top surface of these spread rectangular parallelepiped blocks. It provides a foundation structure for soft ground.
以下、図面を用いて本考案を更に詳細に説明す
る。 Hereinafter, the present invention will be explained in more detail with reference to the drawings.
第１図は、本考案の発泡体ブロツク２′の底面
７と上面８を逆にして示した斜視図であり、上面
と側面９は平担な面となつており、底面７は平担
面に空所１０，１０，１０，……を多数設けた構
造となつている。 FIG. 1 is a perspective view showing the bottom surface 7 and top surface 8 of the foam block 2' of the present invention reversed; the top surface and side surfaces 9 are flat surfaces, and the bottom surface 7 is a flat surface. It has a structure in which a large number of void spaces 10, 10, 10, . . . are provided.
ブロツク２は、六面が平担な直方体状発泡体で
ある。これは、ブロツク２′と同一形状のもの、
あるいは、六面とも、もしくは上部底部にブロツ
ク２′の底面のような空所のあるものであつても
よい。 Block 2 is a rectangular parallelepiped foam with six flat sides. This is the same shape as block 2',
Alternatively, it may have a void on all six sides or at the top and bottom, such as the bottom of the block 2'.
これらブロツク２，２′の独立気泡率は30〜96
％、嵩密度は0.01〜0.2ｇ／cm3、大きさは縦400〜
3000mm、横200〜3000mm、高さ150〜1000mmで、容
積は0.012〜９m3である。実施例では、縦1820mm、
横910mm、高さ420mmのものを用い、縦と横の比を
２：１とすることにより施工を容易とした。 The closed cell ratio of these blocks 2 and 2' is 30 to 96
%, bulk density is 0.01~0.2g/ cm3 , size is 400~
It is 3000mm wide, 200-3000mm wide, 150-1000mm high, and has a volume of 0.012-9m3 . In the example, the height is 1820 mm,
We used a piece measuring 910 mm in width and 420 mm in height, with a length-to-width ratio of 2:1 to facilitate construction.
ブロツク２，２′の素材は、発泡ポリスチレン、
発泡高密度ポリエチレン、発泡ポリプロピレン、
発泡線状低密度ポリエチレン等の独立気泡を有す
る発泡体であり、直方体（立方体を含む）状であ
る。 The material of blocks 2 and 2' is expanded polystyrene,
Foamed high-density polyethylene, foamed polypropylene,
It is a foam having closed cells, such as foamed linear low-density polyethylene, and has a rectangular parallelepiped (including cube) shape.
第２図は、軟弱地盤１を削土し、砂１１を底部
に敷設して平担にし、その上に本考案のブロツク
２′を敷設し、ブロツク２′，２′，２′……を上よ
り荷重をかけながら前後、左右あるいは旋回運動
させて水平に張設されたレベリングの糸の高さに
揃える。 Fig. 2 shows that soft ground 1 is excavated, sand 11 is laid on the bottom to make it flat, blocks 2' of the present invention are laid on top of it, and blocks 2', 2', 2', etc. While applying a load from above, move it back and forth, left and right, or rotate it to align it with the height of the leveling thread that is stretched horizontally.
上記運動により、第３図イに示すような砂利等
の巨大粒子１２により浮き上つてレベルが水平で
なかつたブロツク２′は、この巨大粒子１２を空
所１０内に押しこんだり〔第３図ロ〕、軟弱地盤
１中に巨大粒子１２をのめり込ませたり、ブロツ
ク２′の底面が変形し、巨大粒子１２がブロツク
２′の底面にくい込んだり、あるいはこれらの複
合作用によりブロツク２′の上面のレベルはレベ
リング用糸に面一となる。 Due to the above movement, the block 2', whose level is not horizontal due to being lifted by the giant particles 12 such as gravel as shown in FIG. (b) The giant particles 12 are embedded in the soft ground 1, the bottom surface of the block 2' is deformed, the giant particles 12 are embedded in the bottom surface of the block 2', or a combination of these causes the top surface of the block 2' to deform. The level is flush with the leveling thread.
砂１１を敷設する厚さは50〜200mmであり、軟
弱地盤１と砂との間に砂利を敷設してもよい。 The thickness of the sand 11 to be laid is 50 to 200 mm, and gravel may be laid between the soft ground 1 and the sand.
砂としては、川砂、海砂、山砂等が利用でき
る。 As the sand, river sand, sea sand, mountain sand, etc. can be used.
最下層のブロツク２′，２′，２′……のレベリ
ングが終了したら、この上に例えば上面、下面と
も平担なブロツクを敷設し、ついで埋土３し、補
強された地盤の基礎構造を得る。 Once the leveling of the lowest blocks 2', 2', 2', etc. is completed, for example, a block with flat top and bottom surfaces is laid on top of it, then filled with soil 3, and the foundation structure of the reinforced ground is built. obtain.
必要により舗装４されたり、構造物が構築され
る。 Pavement 4 or structures will be constructed as necessary.
然して、ブロツク底面に設けられる空所１０，
１０，１０……の全体の底面積に占める面積割合
は、10〜80％である。10％未満では、レベリング
調整に手間がかかる。80％を越えてはブロツクの
強度が弱くなる。 Therefore, the space 10 provided on the bottom of the block,
The area ratio of 10, 10... to the entire base area is 10 to 80%. If it is less than 10%, it will take a lot of effort to adjust the leveling. If it exceeds 80%, the strength of the block becomes weaker.
空所の形状は、円柱状、直方体状、立方体状、
ピラミツド、畳状等いずれの形状でもよい。 The shape of the space is cylindrical, rectangular, cubic,
Any shape such as pyramid or tatami shape may be used.
実施例においては、縦215mm、横215mm、深さ50
mmの直方体状空所を、面積率50％で実施した。 In the example, the length is 215 mm, the width is 215 mm, and the depth is 50 mm.
A rectangular parallelepiped cavity of mm in size was carried out with an area ratio of 50%.
（効果）
本考案においては、最下層の発泡体ブロツクの
底面において、空所を有するので平担な底面が巨
大粒子と接する機会が、従来の全底面が平担な発
泡体ブロツクの巨大粒子と接する機会が少なくと
も空所の底面積に占める割合の分だけ少なくな
り、レベリング調整が容易となる。(Effects) In the present invention, since there is a void in the bottom of the foam block in the lowest layer, the opportunity for the flat bottom to come into contact with the giant particles is greater than that of the conventional foam block whose entire bottom is flat. The opportunity for contact is reduced by at least the proportion of the bottom area of the void, making leveling adjustment easier.
第１図は本考案の実施に用いる発泡体ブロツク
の斜視図、第２図は本考案の一実施例を示す軟弱
地盤の補強基礎構造の断面図、第３図イは、レベ
リング調整する前の発泡体ブロツクと巨大粒子の
状態を示す正面図、第３図ロ、第３図ハおよび第
３図ニはレベリング調整後の発泡体ブロツクと巨
大粒子、砂の状態を示す正面図、第４図イは発泡
体ブロツクの施工状態を示す断面図、ロはその発
泡体ブロツクの積み上げ状態を示す斜視図、ハは
橋脚、ニはビルにおける発泡体ブロツクの施工状
態を示す断面図を示す。
Figure 1 is a perspective view of a foam block used in the implementation of the present invention, Figure 2 is a sectional view of a reinforced foundation structure for soft ground showing an embodiment of the present invention, and Figure 3A is a diagram of the foam block before leveling adjustment. 3B, 3C and 3D are front views showing the state of the foam block and giant particles, and FIG. 4 is a front view showing the state of the foam block, giant particles, and sand after leveling adjustment. A is a sectional view showing the construction state of the foam blocks, B is a perspective view showing the stacked state of the foam blocks, C is a pier, and D is a sectional view showing the construction state of the foam blocks in a building.
Claims (1)
この平担面の上に、底面に底面積の10〜80％の
割合で空所を多数設けた発泡体よりなる直方体
ブロツクを多数前記平担面上に敷き詰め、レベ
リング調整し、これら敷き詰めた直方体ブロツ
クの上面に、発泡体よりなる直方体ブロツクを
多数敷き詰めたのち、これら発泡体の直方体ブ
ロツクを埋土した構造の軟弱地盤の基礎構造。 ２ 底面に空所を多数有する直方体ブロツクは、
その寸法が縦910mm、横1820mm、高さ420mmであ
り、その底面に設けられた空所は直方体状でそ
の寸法が縦215mm、横215mm、深さ50mmで、空所
が一定間隔で18個設けられた構造のものである
ことを特徴とする実用新案登録請求の範囲第１
項記載の軟弱地盤の基礎構造。[Scope of claim for utility model registration] 1. Spreading sand on the surface of soft ground to make it a flat surface,
On this flat surface, a large number of rectangular parallelepiped blocks made of foam each having a large number of voids on the bottom surface at a ratio of 10 to 80% of the base area are spread on the flat surface, the leveling is adjusted, and the rectangular parallelepiped blocks made of these blocks are spread. A foundation structure on soft ground that consists of laying many rectangular parallelepiped blocks made of foam on top of the block, and then burying these rectangular parallelepiped blocks made of foam. 2 A rectangular parallelepiped block with many voids on the bottom is
Its dimensions are 910 mm long, 1820 mm wide, and 420 mm high, and the voids provided on its bottom are rectangular parallelepiped, and its dimensions are 215 mm long, 215 mm wide, and 50 mm deep, with 18 voids provided at regular intervals. Claim 1 of the utility model registration characterized by the structure
Foundation structure on soft ground as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8642487U JPH0442364Y2 (en) | 1987-06-03 | 1987-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8642487U JPH0442364Y2 (en) | 1987-06-03 | 1987-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63194948U JPS63194948U (en) | 1988-12-15 |
| JPH0442364Y2 true JPH0442364Y2 (en) | 1992-10-06 |
Family
ID=30942718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8642487U Expired JPH0442364Y2 (en) | 1987-06-03 | 1987-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442364Y2 (en) |
-
1987
- 1987-06-03 JP JP8642487U patent/JPH0442364Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63194948U (en) | 1988-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4903450A (en) | Concrete footer block and foundation system formed therefrom | |
| JPH0442364Y2 (en) | ||
| CN203625740U (en) | Temporary service road in desert | |
| JPH0354181Y2 (en) | ||
| CN110747870A (en) | Lock-blocking brick, retaining wall, slope protection, building method and tiling method | |
| JP2839986B2 (en) | Retaining wall construction method | |
| JP2599694Y2 (en) | Embankment structure using construction members for civil engineering | |
| CN217922875U (en) | Highway geotextile granular material pile reinforced foundation | |
| CN111608169A (en) | Construction access road structure on soft soil foundation and construction method | |
| JP2000054344A (en) | Structure for face of slope and revetment retaining wall and construction method therefor | |
| JPH03247801A (en) | Method for road construction | |
| KR102145237B1 (en) | Multipurpose block | |
| JPH0354182Y2 (en) | ||
| JPH0129927B2 (en) | ||
| JP3771436B2 (en) | Lightweight embankment structure | |
| CN215051688U (en) | Shallow soft soil foundation foam light soil embankment structure | |
| CN109267541A (en) | A kind of hybrid revetment structure | |
| CN215104344U (en) | Zero investigation of land road bed widens structure suitable for soft foundation | |
| JP2002250043A (en) | Wall face protective block | |
| JP3041359B2 (en) | Lightweight civil engineering method | |
| JPH0442353Y2 (en) | ||
| JPH04368508A (en) | Ground forming construction method with solid lightweight material | |
| JPH0519375Y2 (en) | ||
| TWM395009U (en) | Improved structure of bank protective foundation pile plate wall | |
| JPH0649612Y2 (en) | Thermoplastic resin foam for embankment method |