JP4643364B2 - 杭頭部の補強方法 - Google Patents
杭頭部の補強方法 Download PDFInfo
- Publication number
- JP4643364B2 JP4643364B2 JP2005162138A JP2005162138A JP4643364B2 JP 4643364 B2 JP4643364 B2 JP 4643364B2 JP 2005162138 A JP2005162138 A JP 2005162138A JP 2005162138 A JP2005162138 A JP 2005162138A JP 4643364 B2 JP4643364 B2 JP 4643364B2
- Authority
- JP
- Japan
- Prior art keywords
- ground
- pile
- pile head
- load
- foundation
- 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
- 238000000034 method Methods 0.000 title claims description 40
- 230000002787 reinforcement Effects 0.000 title description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 238000007596 consolidation process Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 31
- 239000007787 solid Substances 0.000 description 31
- 239000010959 steel Substances 0.000 description 31
- 239000011440 grout Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000007586 pull-out test Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Description
115000N/6585cm2=17.5N/cm2
となる。
150000N/6585cm2=22.8N/cm2
となる。
11 基礎
12,12A 杭
12a 杭頭部
13 基礎梁
14 フーチング
2 地盤
21 上部地盤
21a 掘削孔
22 支持地盤
23 地盤固結体
3 グラウト(地盤改良材)
4 ジェットグラウト装置
Claims (1)
- 杭の上に構築された上部構造体の基礎のスラブから地盤中へ穿孔して杭頭部の周囲地盤に地盤改良材を注入することによって、前記杭頭部の外周面に付着した地盤固結体を前記基礎のスラブの底面と接した状態に造成することを特徴とする杭頭部の補強方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005162138A JP4643364B2 (ja) | 2005-06-02 | 2005-06-02 | 杭頭部の補強方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005162138A JP4643364B2 (ja) | 2005-06-02 | 2005-06-02 | 杭頭部の補強方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006336294A JP2006336294A (ja) | 2006-12-14 |
JP4643364B2 true JP4643364B2 (ja) | 2011-03-02 |
Family
ID=37557085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005162138A Active JP4643364B2 (ja) | 2005-06-02 | 2005-06-02 | 杭頭部の補強方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4643364B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021050580A (ja) * | 2019-09-26 | 2021-04-01 | ケミカルグラウト株式会社 | 構造物基礎補強方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5041223B2 (ja) * | 2007-08-01 | 2012-10-03 | 清水建設株式会社 | 既存構造物基礎の補強工法および補強構造 |
CN102926303A (zh) * | 2012-11-22 | 2013-02-13 | 河海大学 | 现役高等级公路软土地基沉降控制桩基支托再加固方法 |
CN103147470B (zh) * | 2013-03-28 | 2016-03-30 | 中国建筑第八工程局有限公司 | 灌注桩静载试验桩头及其施工方法 |
CN103276728B (zh) * | 2013-05-20 | 2015-08-05 | 福建建华管桩有限公司 | 一种桩头修补及加固的方法 |
JP2016160700A (ja) * | 2015-03-04 | 2016-09-05 | 東日本旅客鉄道株式会社 | 基礎補強方法 |
CN106759559A (zh) * | 2016-12-16 | 2017-05-31 | 中建四局第建筑工程有限公司 | 一种钢管加固桩基结构及其施工方法 |
CN106759311A (zh) * | 2016-12-16 | 2017-05-31 | 中建四局第建筑工程有限公司 | 一种复杂地质条件下桩基缺陷注浆处理方法 |
CN111364495A (zh) * | 2020-03-16 | 2020-07-03 | 白城师范学院 | 一种防冻胀和抗震复合基础结构 |
CN112942309A (zh) * | 2021-02-03 | 2021-06-11 | 山西晋建加固特种建筑工程有限公司 | 独立桩基栅格式注浆加固的施工方法 |
CN113215892B (zh) * | 2021-05-26 | 2022-11-08 | 金陵科技学院 | 一种注浆土拱诱导式桩承式路堤 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08296240A (ja) * | 1995-04-26 | 1996-11-12 | Kajima Corp | 既存基礎の耐震補強工法 |
JPH10219670A (ja) * | 1997-02-05 | 1998-08-18 | Shimizu Corp | 地盤側方流動防止工法 |
-
2005
- 2005-06-02 JP JP2005162138A patent/JP4643364B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08296240A (ja) * | 1995-04-26 | 1996-11-12 | Kajima Corp | 既存基礎の耐震補強工法 |
JPH10219670A (ja) * | 1997-02-05 | 1998-08-18 | Shimizu Corp | 地盤側方流動防止工法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021050580A (ja) * | 2019-09-26 | 2021-04-01 | ケミカルグラウト株式会社 | 構造物基礎補強方法 |
JP7267890B2 (ja) | 2019-09-26 | 2023-05-02 | ケミカルグラウト株式会社 | 構造物基礎補強方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2006336294A (ja) | 2006-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4643364B2 (ja) | 杭頭部の補強方法 | |
CN105887947B (zh) | 一种桩基倾斜的纠偏方法及其纠偏装置 | |
JP6762800B2 (ja) | 既設杭基礎の補強工法及び補強構造 | |
CA2682816A1 (en) | Spiral steel pile | |
WO2006030893A1 (ja) | 鉄塔の基礎構造 | |
KR102218604B1 (ko) | 말뚝 본체와 경사 그라운드 앵커를 이용한 흙막이 벽체 시공 방법 | |
JP4375733B2 (ja) | 鋼管打設工法 | |
CN110820762A (zh) | 一种劲芯帷幕桩与护壁桩锚联合支护结构的施工方法 | |
JP2015135045A (ja) | 長尺物の設置安定化法および長尺物の設置方法 | |
JP4663541B2 (ja) | 既設コンクリート橋脚の耐震補強工法 | |
KR100970440B1 (ko) | 선단부 타설후 보강재 관입식 현장타설말뚝공법 | |
KR20100124028A (ko) | 선단부 확대형 현장타설말뚝 시공방법 | |
JP2013170378A (ja) | アンカー体、既存建物の補強構造、アンカー体の構築方法、アンカー体の施工方法、及び削孔機 | |
KR20120102480A (ko) | 선단 지지력이 강화된 phc 말뚝 및 이를 이용한 phc 말뚝 매입 공법 | |
JP3831737B2 (ja) | 鉄塔の基礎構造 | |
JP2011236705A (ja) | 構造物の基礎構造およびその施工方法 | |
JP6172501B2 (ja) | 耐震補強構造および耐震補強工法 | |
JP4819179B1 (ja) | 鋼管杭及びこれを用いた地盤補強方法 | |
JP2019218795A (ja) | 基礎杭と基礎スラブの接合構造 | |
KR20180062669A (ko) | 내진 및 지반강화용 마이크로파일 성형방법 및 상기 방법에 의하여 시공된 내진 및 지반강화용 마이크로파일 | |
KR100711054B1 (ko) | 앵커체를 이용한 자립식 차수벽 흙막이 공법과 이를 위한 연결소켓 | |
JP5684069B2 (ja) | 杭構造 | |
JP4968676B2 (ja) | 増杭による杭基礎補強工法 | |
KR101765061B1 (ko) | 매입말뚝 고정장치 | |
CN113026761B (zh) | 土岩双元基坑复合支护结构及其施工方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080214 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100203 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100210 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100412 |
|
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: 20101102 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101202 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4643364 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: 20131210 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 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
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 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |