JP2000291042A - Earthquake proofing improved ground - Google Patents
Earthquake proofing improved groundInfo
- Publication number
- JP2000291042A JP2000291042A JP11101032A JP10103299A JP2000291042A JP 2000291042 A JP2000291042 A JP 2000291042A JP 11101032 A JP11101032 A JP 11101032A JP 10103299 A JP10103299 A JP 10103299A JP 2000291042 A JP2000291042 A JP 2000291042A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- ground
- surface layer
- inorganic
- sheet
- 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.)
- Pending
Links
- 239000002344 surface layer Substances 0.000 claims abstract description 23
- 239000008187 granular material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000004636 vulcanized rubber Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 2
- 239000011805 ball Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- -1 and gravel Substances 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000001133 acceleration Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 5
- 230000001902 propagating effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000644 propagated effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、耐震用改良地盤
に係わり、更に詳しくは硬質工学的基盤から真上に増幅
伝播してくる水平剪断波を遮断・減少させて地表面震動
を低減すると共に、震災被害が地域的に広がるのを有効
に防止させた耐震用改良地盤に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved ground for seismic resistance, and more particularly, to reducing and reducing ground surface vibrations by blocking and reducing horizontal shear waves that are amplified and propagated immediately above a rigid engineering base. The present invention relates to an improved ground for earthquake resistance which effectively prevents the damage caused by the earthquake from spreading locally.
【０００２】[0002]
【従来の技術】従来、軟弱地盤の改良や地震対策の一つ
として、対象地盤に一定深度まで孔を形成し、この孔内
にセメント系または石灰系の硬化薬剤を注入し、対象地
盤と混合もしくは浸透させることにより、地中内に強固
な地盤改良体を形成する固結工法が知られている。2. Description of the Related Art Conventionally, as a measure for improving soft ground and countermeasures against earthquakes, a hole is formed to a certain depth in a target ground, and a cement or lime hardening agent is injected into the hole and mixed with the target ground. Alternatively, a consolidation method for forming a strong ground improvement body in the ground by infiltration is known.
【０００３】しかし、上記のような地盤改良の工法で
は、地震による影響を防止するために広範囲の地盤改良
が必要であり、また工事が大掛かりで施工費用も高いと
言う問題があった。[0003] However, the above-described ground improvement method requires a wide range of ground improvement in order to prevent the influence of the earthquake, and has a problem that the construction is large and the construction cost is high.
【０００４】そこで、対象地盤に対して、有効な免震性
を有する地盤改良体として、例えば、特開平１０−１９
４０号公報（発明の名称：地盤改良材及びこれを用いた
免震性地盤改良工法）が提案されており、この発明の免
震性の地盤改良体を造成するために使用する地盤改良材
として、少なくともゴム砕片を含む分散材と、該分散材
を分散させかつ固結させるバインド材（セメント＋水）
とを用いている。Therefore, as a ground improvement body having effective seismic isolation for the target ground, for example, Japanese Patent Laid-Open No. 10-19 / 1998
No. 40 (name of the invention: ground improvement material and seismic isolation ground improvement method using the same) has been proposed, and as a ground improvement material used to construct the seismic isolation ground improvement body of the present invention. , A dispersing material containing at least rubber fragments, and a binding material (cement + water) for dispersing and consolidating the dispersing material
And are used.
【０００５】[0005]
【発明が解決しようとする課題】然しながら、上記の地
盤改良材は、主として脆弱地盤の改良過程に用いるもの
で、コンクリートの湿式工法の応用であることから、分
散材とバインダーとが常に必要であり、バインダー、硬
化、流体の吐出装置を用いる必要があり、装置が大掛か
りになると共に、施工作業に多くの手間と時間がかかる
と言う問題があった。However, the above-mentioned ground improvement material is mainly used in the process of improving fragile ground, and is an application of a wet method of concrete, so that a dispersant and a binder are always required. In addition, it is necessary to use a binder, a curing device, and a fluid discharging device, which results in a problem that the device becomes large-scale and that the construction work requires much labor and time.
【０００６】この発明の目的は、硬質工学的基盤から真
上に増幅伝播してくる水平剪断波を遮断・減少させて地
表面加速度を低減すると共に、地震エネルギーの敷地内
への伝播の低減や、地域の区画毎に適用することによ
り、震災の被害が地域的に広がるのを防止する耐震用改
良地盤を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to reduce or reduce ground surface acceleration by blocking or reducing horizontal shear waves that are amplified and propagated directly from a rigid engineering base, and to reduce the propagation of seismic energy into premises. An object of the present invention is to provide an improved ground for earthquake resistance which is applied to each section of an area to prevent the damage caused by the earthquake from spreading locally.
【０００７】[0007]
【課題を解決するための手段】この発明は上記目的を達
成するため、地表層内に地表面から地下の硬質工学的基
盤に向かって鉛直に形成した溝、または地表層と地下の
硬質工学的基盤との間に形成した水平状の溝に、シート
状またはチップ状に形成したゴム状弾性体、または無機
若しくは有機の粒状体を充填，敷設したことを要旨とす
るものである。According to the present invention, there is provided a groove formed vertically in a surface layer from a ground surface to an underground rigid engineering base, or a surface layer and an underground rigid engineering structure. The gist is that a horizontal groove formed between the base and the base is filled and laid with a rubber-like elastic body or an inorganic or organic granular body formed in a sheet or chip shape.
【０００８】この発明は、上記のように構成され、地表
層内に地表層から地下の硬質工学的基盤に向かって鉛直
に形成した溝、または地表層と地下の硬質工学的基盤と
の間に形成した成層状の溝に、シート状またはチップ状
に形成したゴム状弾性体、または無機若しくは有機の粒
状体を敷き詰め、ゴム状弾性体、あるいは無機若しくは
有機の粒状体の低剪断剛性を利用して、地盤から真上に
伝播する剪断波を遮断、減少させることにより、地表面
への地震加速度を低減し、また防火林帯のように震災の
被害を有効に防止できるものである。The present invention is constructed as described above, and has a groove formed vertically in the surface layer from the surface layer to the underground rigid engineering base, or between the surface layer and the underground rigid engineering base. A rubber-like elastic body or an inorganic or organic granular body formed in a sheet or chip shape is spread over the formed stratified groove, and the low shear rigidity of the rubber-like elastic body or the inorganic or organic granular body is used. By blocking and reducing the shear wave propagating directly above the ground, the seismic acceleration on the ground surface can be reduced, and the damage caused by the earthquake can be effectively prevented like a fire protection forest zone.
【０００９】[0009]
【発明の実施の形態】以下、添付図面に基づき、この発
明の実施形態を説明する。図１は、この発明の第１実施
形態を示す耐震用改良地盤の断面図を示し、この第１実
施形態は、地表層１内に地表層１の表面１ａから地下の
硬質工学的基盤２に向かって鉛直に溝３を形成し、この
溝３内に、シート状またはチップ状に形成したゴム状弾
性体４または無機若しくは有機の粒状体５が敷詰めてあ
る。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a cross-sectional view of an improved seismic ground showing a first embodiment of the present invention. A groove 3 is formed vertically toward the inside, and a rubber-like elastic body 4 or an inorganic or organic granular body 5 formed in a sheet or chip shape is spread in the groove 3.
【００１０】また溝３は、必ずしも地表層１の表面１ａ
から硬質工学的基盤２にかけて設ける必要はなく、地表
層１の表面１ａと硬質工学的基盤２の間の少なくとも一
部に設ければ良い。The groove 3 is not necessarily provided on the surface 1 a of the surface layer 1.
It is not necessary to provide from the surface to the hard engineering base 2, but it is sufficient to provide at least a part between the surface 1 a of the surface layer 1 and the hard engineering base 2.
【００１１】ここで、硬質工学的基盤２とは、「Ｎ値」
が、３０〜５０以上の固い土質層、若しくは「剪断速波
速度：Vs」が、４００〜７００（m/sec)以上の固い土質
層を言う。なお、「Ｎ値」とは、日本工業規格：土の標
準貫入試験法(JIS-A 1219-1961) で規定される建設現場
位置における土の硬軟、締まり具合の相対値を知る貫入
試験法において、「63.5kgのハンマー」を「75cmの高
さ」から自由落下させた時、「30cm」貫入させるのに要
した打撃数のことを言う。Here, the rigid engineering base 2 is "N value".
Refers to a hard soil layer of 30 to 50 or more, or a hard soil layer of “shear speed wave velocity: Vs” of 400 to 700 (m / sec) or more. The "N value" is defined as the Japanese Industrial Standards: Standard Penetration Test Method for Soil (JIS-A 1219-1961). It refers to the number of hits required to penetrate "30cm" when a "63.5kg hammer" is freely dropped from "75cm height".
【００１２】また、図２はこの発明の第２実施形態を示
す耐震用改良地盤の断面図を示し、この第２実施形態
は、地表層１と地下の硬質工学的基盤２との間に成層状
の溝６を形成し、この溝６に、シート状またはチップ状
に形成したゴム状弾性体４、または無機若しくは有機の
粒状体５が敷詰めてある。FIG. 2 is a sectional view of an improved earthquake-resistant ground showing a second embodiment of the present invention. This second embodiment is formed between a surface layer 1 and an underground hard engineering base 2. A layer-like groove 6 is formed, and a rubber-like elastic body 4 formed in a sheet shape or a chip shape, or an inorganic or organic granular material 5 is spread in the groove 6.
【００１３】前記鉛直に溝３及び水平状の溝６の幅は、
10ｃｍ〜１ｍで、深さは、地表層１の表面１ａから数１
０ｍの地震動が増幅される比較的浅い箇所で実施するの
が有効である。The width of the vertical groove 3 and the horizontal groove 6 is
10cm to 1m, depth is several tens from surface 1a of surface layer 1.
It is effective to carry out at a relatively shallow place where the 0 m ground motion is amplified.
【００１４】前記シート状のゴム状弾性体４としては、
図３に示すような加硫ゴムシート７や、図１及び図２に
示すような、加硫廃棄ゴム製品を切断及び粉砕したリサ
イクル材であり、前記加硫ゴムシート７には、必要に応
じて通水孔８を形成するものである。更に、前記シート
状またはチップ状に形成したゴム状弾性体４を、振動エ
ネルギー吸収用の高減衰ゴムで形成することも可能であ
る。The sheet-like rubber-like elastic body 4 includes:
It is a vulcanized rubber sheet 7 as shown in FIG. 3 or a recycled material obtained by cutting and pulverizing a vulcanized waste rubber product as shown in FIGS. 1 and 2. Thus, a water passage hole 8 is formed. Further, the sheet-like or chip-like rubber-like elastic body 4 can be made of a high-damping rubber for absorbing vibration energy.
【００１５】また、前記無機若しくは有機の粒状体５と
しては、図４に示すように、粒子、ビーズ、玉、砂利の
単体または複合体、或いは、これらにアスファルトやタ
ルク等の微粉末を混入させて構成することも可能であ
る。As shown in FIG. 4, the inorganic or organic granular material 5 may be a simple substance or a composite of particles, beads, balls, and gravel, or a fine powder of asphalt or talc mixed therein. It is also possible to configure.
【００１６】また、他の実施形態としては、前記地表層
１内に地表層１の表面１ａから地下の硬質工学的基盤２
に向かって鉛直に形成する水平状の溝３ａを形成する場
合、図５に示すように保護すべき建造物または構造物Ｗ
の周囲に形成することも可能である。In another embodiment, a hard engineering base 2 under the ground from the surface 1a of the surface 1
In the case of forming a horizontal groove 3a which is formed vertically toward the building, as shown in FIG.
It is also possible to form around.
【００１７】更に、複数の建造物または構造物Ｗを含む
地域全体を囲むように溝３ａを設けたり、溝３ａを碁盤
目状に交差させて、地域を区画するように構成しても良
い。なお、その他の構成及び作用は上記第１実施形態と
同様なので同一符号を付して説明は省略する。Further, a groove 3a may be provided so as to surround the entire area including a plurality of buildings or structures W, or the grooves 3a may be crossed in a grid pattern to divide the area. Note that other configurations and operations are the same as those of the first embodiment, and thus the same reference numerals are given and the description is omitted.
【００１８】更に、山麓Ｍ付近の浅い堆積層は地震動が
増幅される危険区域となり、この地域にも防災を図るた
めに、図６に示すように、山麓Ｍ付近に、地表層１の表
面１ａから地下の硬質工学的基盤２に向かって鉛直な溝
３ｂを形成し、この鉛直な溝３ｂに、チップ状に形成し
たゴム状弾性体４または無機若しくは有機の粒状体５を
敷詰めることで、地震動が増幅するのを防止出来るもの
である。Furthermore, the shallow sedimentary layer near the foot of the mountain M becomes a danger zone where the seismic motion is amplified. In order to prevent disasters in this area as well, as shown in FIG. , A vertical groove 3b is formed toward the underground hard engineering base 2, and a rubber-like elastic body 4 or an inorganic or organic granular material 5 formed in a chip shape is laid in the vertical groove 3b. It can prevent the seismic motion from amplifying.
【００１９】以上のように、この発明の実施形態では、
地表層内に地表層から地下の硬質工学的基盤２に向かっ
て鉛直に形成した溝３、または地表層と地下の硬質工学
的基盤との間に形成した水平状の溝６に、シート状また
はチップ状に形成したゴム状弾性体４、または無機若し
くは有機の粒状体５を敷き詰め、ゴム状弾性体４、ある
いは無機若しくは有機の粒状体５の低剪断剛性を利用し
て、地盤から真上に伝播する剪断波を遮断、減少させる
ことにより、地表面への地震加速度を低減し、また防火
林帯のように震災の被害が空間的に拡大するのを有効に
防止できるようにしたのである。As described above, in the embodiment of the present invention,
A groove 3 formed vertically from the surface layer to the underground rigid engineering base 2 in the surface layer, or a horizontal groove 6 formed between the surface layer and the underground rigid engineering base, a sheet-like or A rubber-like elastic body 4 or an inorganic or organic granular body 5 formed in a chip shape is spread, and the rubber-like elastic body 4 or the inorganic or organic granular body 5 is used to take advantage of the low shearing rigidity of the rubber-like elastic body 4 or directly above the ground. By blocking and reducing the propagation of shear waves, the seismic acceleration on the ground surface was reduced, and the damage caused by the disaster could be effectively prevented from spreading spatially, such as in a fire protection forest zone. .
【００２０】[0020]
【発明の効果】この発明は、上記のように地表層内に地
表面から地下の硬質工学的基盤に向かって鉛直に形成し
た溝、または地表層と地下の硬質工学的基盤との間に形
成した水平状の溝に、シート状またはチップ状に形成し
たゴム状弾性体、または無機若しくは有機の粒状体を充
填，敷設したので、硬質基盤から真上に増幅伝播してく
る水平剪断波を遮断・減少させて地表面加速度を低減す
ると共に、地震エネルギーの敷地内への低減や、地域の
区画毎に適用することにより、震災の被害が地域的に広
がるのを有効に防止させることが出来る効果がある。As described above, the present invention provides a groove formed vertically in the surface layer from the ground surface to the underground rigid engineering base, or formed between the surface layer and the underground rigid engineering base. Filled and laid a rubber-like elastic material or inorganic or organic granular material formed into a sheet or chip in the horizontal groove that was cut, so that horizontal shear waves that propagated from the hard base and propagated directly above the hard base were cut off・ By reducing the ground surface acceleration by reducing it, and by reducing the amount of seismic energy in the premises and applying it to each zone, it is possible to effectively prevent the damage caused by the earthquake from spreading locally. effective.
【図１】この発明の第１実施形態を示す耐震用改良地盤
の断面図である。FIG. 1 is a sectional view of an improved ground for earthquake resistance showing a first embodiment of the present invention.
【図２】この発明の第２実施形態を示す耐震用改良地盤
の断面図である。FIG. 2 is a sectional view of an improved ground for earthquake resistance showing a second embodiment of the present invention.
【図３】シート状に形成したゴム状弾性体の斜視図であ
る。FIG. 3 is a perspective view of a rubber elastic body formed in a sheet shape.
【図４】水平状の溝にチップ状に形成したゴム状弾性体
または無機若しくは有機の粒状体を敷詰めた状態を示す
断面図である。FIG. 4 is a cross-sectional view showing a state in which a rubber-like elastic body or an inorganic or organic granular body formed in a chip shape is spread in a horizontal groove.
【図５】構造物の周囲に鉛直な溝を形成する場合の他の
実施形態を示す斜視図である。FIG. 5 is a perspective view showing another embodiment in which a vertical groove is formed around a structure.
【図６】山麓付近に鉛直な溝を形成する場合の他の実施
形態を示す斜視図である。FIG. 6 is a perspective view showing another embodiment in which a vertical groove is formed near the foot of a mountain.
１ 地表層 １ａ 地表層の表面 ２ 硬質工学的基盤 ３，３ａ，３ｂ 鉛直な溝 ４ ゴム状弾性体 ５ 無機若しくは有機の粒状体 ６ 水平状の溝 ７ 加硫ゴムシート ８ 通水孔 Ｗ 建造物または構造物 Ｍ 山麓 DESCRIPTION OF SYMBOLS 1 Surface layer 1a Surface of surface layer 2 Hard engineering base 3,3a, 3b Vertical groove 4 Rubbery elastic body 5 Inorganic or organic granular material 6 Horizontal groove 7 Vulcanized rubber sheet 8 Water hole W Building Or structure M
Claims (6)
基盤に向かって鉛直に形成した溝、または地表層と地下
の硬質工学的基盤との間に形成した水平状の溝に、シー
ト状またはチップ状に形成したゴム状弾性体、または無
機若しくは有機の粒状体を充填，敷設して成る耐震用改
良地盤。A sheet is formed in a groove formed vertically in the surface layer from the ground surface toward the underground rigid engineering base, or in a horizontal groove formed between the surface layer and the underground rigid engineering base. An improved ground for earthquake resistance, which is filled and laid with a rubber-like elastic body formed in the shape of a chip or a chip, or an inorganic or organic granular material.
ムシートであり、該加硫ゴムシートに必要に応じて通水
孔を形成する請求項１に記載の耐震用改良地盤。2. The improved ground for earthquake resistance according to claim 1, wherein the sheet-like rubber-like elastic body is a vulcanized rubber sheet, and a water passage hole is formed in the vulcanized rubber sheet as required.
が、加硫廃棄ゴム製品を切断及び粉砕したリサイクル材
である請求項１に記載の耐震用改良地盤。3. The improved ground for earthquake resistance according to claim 1, wherein the rubber-like elastic body formed in a chip shape is a recycled material obtained by cutting and pulverizing a vulcanized waste rubber product.
ゴム状弾性体が、振動エネルギー吸収用の高減衰ゴムで
ある請求項１，２または３に記載の耐震用改良地盤。4. The improved ground for earthquake resistance according to claim 1, wherein said sheet-like or chip-like rubber-like elastic body is a high-damping rubber for absorbing vibration energy.
子、ビーズ、玉、砂利の単体または複合体、或いは、こ
れらにアスファルトやタルク等の微粉末を混入させて構
成した請求項１に記載の耐震用改良地盤。5. The inorganic or organic granular material according to claim 1, wherein the inorganic or organic granular material is a simple substance or a composite of particles, beads, balls, and gravel, or a mixture of fine particles such as asphalt and talc. Improved ground for earthquake resistance.
学的基盤に向かって鉛直に形成する溝を、保護すべき建
造物または構造物の周囲に形成する請求項１，２，３，
４または５に記載の耐震用改良地盤。6. A groove formed vertically in the surface layer from the ground surface to an underground rigid engineering base around a building or structure to be protected.
The improved ground for earthquake resistance according to 4 or 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11101032A JP2000291042A (en) | 1999-04-08 | 1999-04-08 | Earthquake proofing improved ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11101032A JP2000291042A (en) | 1999-04-08 | 1999-04-08 | Earthquake proofing improved ground |
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|---|---|
| JP2000291042A true JP2000291042A (en) | 2000-10-17 |
Family
ID=14289843
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028994A (en) * | 2011-07-29 | 2013-02-07 | Railway Technical Research Institute | Method for reducing earthquake load of structure with deep earth covering using base isolation member |
| CN103243742A (en) * | 2013-03-18 | 2013-08-14 | 梁宏建 | Quakeproof device of building |
| CN106988350A (en) * | 2017-04-27 | 2017-07-28 | 北京市市政工程设计研究总院有限公司 | A kind of intensive drilling anti-explosion shock structure of back-up sand vibration isolation campshed |
| CN109537578A (en) * | 2019-01-14 | 2019-03-29 | 华东交通大学 | A kind of elongated degree shock insulation campshed shockproof structure that intensively drills |
| CN118029566A (en) * | 2024-02-05 | 2024-05-14 | 中冶武勘工程技术有限公司 | A method for setting the effective depth of seismic isolation trench |
-
1999
- 1999-04-08 JP JP11101032A patent/JP2000291042A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028994A (en) * | 2011-07-29 | 2013-02-07 | Railway Technical Research Institute | Method for reducing earthquake load of structure with deep earth covering using base isolation member |
| CN103243742A (en) * | 2013-03-18 | 2013-08-14 | 梁宏建 | Quakeproof device of building |
| CN106988350A (en) * | 2017-04-27 | 2017-07-28 | 北京市市政工程设计研究总院有限公司 | A kind of intensive drilling anti-explosion shock structure of back-up sand vibration isolation campshed |
| CN109537578A (en) * | 2019-01-14 | 2019-03-29 | 华东交通大学 | A kind of elongated degree shock insulation campshed shockproof structure that intensively drills |
| CN118029566A (en) * | 2024-02-05 | 2024-05-14 | 中冶武勘工程技术有限公司 | A method for setting the effective depth of seismic isolation trench |
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