JP5216655B2 - 改良地盤 - Google Patents
改良地盤 Download PDFInfo
- Publication number
- JP5216655B2 JP5216655B2 JP2009079702A JP2009079702A JP5216655B2 JP 5216655 B2 JP5216655 B2 JP 5216655B2 JP 2009079702 A JP2009079702 A JP 2009079702A JP 2009079702 A JP2009079702 A JP 2009079702A JP 5216655 B2 JP5216655 B2 JP 5216655B2
- Authority
- JP
- Japan
- Prior art keywords
- ground
- rigidity
- soil
- pile
- improved 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.)
- Active
Links
- 239000002689 soil Substances 0.000 claims description 48
- 239000008187 granular material Substances 0.000 claims description 28
- 230000005484 gravity Effects 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 21
- 238000002955 isolation Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 10
- 238000013016 damping Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000010920 waste tyre Substances 0.000 description 2
- 241000277331 Salmonidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Foundations (AREA)
Description
11 基礎
2 下層
21 高剛性構造物
211 鉛直面
212 単位空間
213 混合物
3 上層
31 混合物
λe 卓越波長
D1 下層の深さ(厚み)
D2 上層の深さ(厚み)
Dc 重心深さ
A 単位空間の大きさ
W1 長手方向長さ
W2 短手方向長さ
Claims (7)
- 周辺地盤より相対的に高い剛性の鉛直面を水平方向に交差させて形成される多数の単位空間から構成される高剛性構造物を、卓越周波数の障害波による振動のエネルギー重心に相当する深さに埋設し、地表面又は地上構造物の基礎から高剛性構造物までの深さの範囲を上層とし、高剛性構造物の深さの範囲を下層としてなる改良地盤。
- 上層は、現地土、置換土又は粒状物の1つ又は複数を混合して高剛性構造物上に堆積させることにより構成した請求項1記載の改良地盤。
- 高剛性構造物は、現地土、置換土又は粒状物の1つ又は複数を混合して単位空間に充填した請求項1又は2いずれか記載の改良地盤。
- 高剛性構造物は、現地土、置換土又は粒状物の1つ又は複数を混合して単位空間に充填し、前記現地土、置換土又は粒状物に対して更に支持杭又は抵抗杭を圧入した請求項1又は2いずれか記載の改良地盤。
- 高剛性構造物は、鉛直面から支持杭又は抵抗杭の一方又は双方を降ろした請求項1〜4いずれか記載の改良地盤。
- 高剛性構造物は、鉛直面の一部を下方に延長した請求項1〜5いずれか記載の改良地盤。
- 高剛性構造物は、地上構造物の基礎から支持杭又は抵抗杭の一方又は双方を、単位空間に貫通させて降ろした請求項1〜6いずれか記載の改良地盤。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009079702A JP5216655B2 (ja) | 2009-03-27 | 2009-03-27 | 改良地盤 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009079702A JP5216655B2 (ja) | 2009-03-27 | 2009-03-27 | 改良地盤 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010229742A JP2010229742A (ja) | 2010-10-14 |
JP2010229742A5 JP2010229742A5 (ja) | 2012-10-25 |
JP5216655B2 true JP5216655B2 (ja) | 2013-06-19 |
Family
ID=43045814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009079702A Active JP5216655B2 (ja) | 2009-03-27 | 2009-03-27 | 改良地盤 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5216655B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6474753B2 (ja) * | 2016-04-07 | 2019-02-27 | 竹宮 哲士 | 地盤振動防止構造体の構築方法 |
CN113982024B (zh) * | 2021-12-27 | 2022-04-12 | 中国铁路设计集团有限公司 | 一种局域共振型建筑隔振基础 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006028740A (ja) * | 2004-07-12 | 2006-02-02 | Okayama Univ | 制振のために地中に配設される制振地盤及びそれを用いた制振工法 |
-
2009
- 2009-03-27 JP JP2009079702A patent/JP5216655B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010229742A (ja) | 2010-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Saikia et al. | Analysis and design of open trench barriers in screening steady-state surface vibrations | |
Al-Hussaini et al. | Active isolation of machine foundations by in-filled trench barriers | |
GovindaRaju et al. | Site-specific ground response analysis | |
Alzawi | Vibration isolation using in-filled geofoam trench barriers | |
JP6993410B2 (ja) | 防震構造 | |
Jesmani et al. | Effects of geometrical properties of rectangular trenches intended for passive isolation in sandy soils | |
JP2980604B1 (ja) | 建造物における防振基礎構造及びその構築工法 | |
JP2004156259A (ja) | 防振工法 | |
Abd-Elhamed et al. | Tuned liquid damper for vibration mitigation of seismic-excited structures on soft soil | |
JP5216655B2 (ja) | 改良地盤 | |
JP6074158B2 (ja) | 地盤改良体、及び地盤改良工法 | |
CN110761132A (zh) | 一种装配式隔振屏障 | |
JP2012031665A (ja) | 防振壁 | |
Lu et al. | Mitigation of building responses to DDC impacts by soft and stiff wave barriers | |
Alzawi et al. | Vibration scattering using geofoam material as vibration wave barriers | |
CN106460354B (zh) | 用于建筑结构抗震保护的复合地基 | |
JP5532325B2 (ja) | 地中壁の構築方法 | |
Dijckmans et al. | Mitigation of railway induced vibrations by using heavy masses next to the track | |
JP6474753B2 (ja) | 地盤振動防止構造体の構築方法 | |
JP3783029B2 (ja) | 制振方法 | |
JP2010229742A5 (ja) | ||
Brennan et al. | Mitigation of Seismic Accelerations by Soft Materials Embedded in the Ground | |
Alzawi et al. | Numerical investigations on vibration screening by in-filled geofoam trenches | |
LI et al. | Research on the effect of the moving water table on passive isolation effectiveness using a multiple open trench barrier | |
Kumar et al. | Effect of soil-structure interaction on high rise rc regular frame structure with irregular bays subjected to seismic load |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111212 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20111212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120907 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20120907 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20121012 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20121017 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121023 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121129 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130212 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130304 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5216655 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160308 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |