JPH1122008A - Method for connecting pile column with steel member in building construction using pile as column - Google Patents
Method for connecting pile column with steel member in building construction using pile as columnInfo
- Publication number
- JPH1122008A JPH1122008A JP17937497A JP17937497A JPH1122008A JP H1122008 A JPH1122008 A JP H1122008A JP 17937497 A JP17937497 A JP 17937497A JP 17937497 A JP17937497 A JP 17937497A JP H1122008 A JPH1122008 A JP H1122008A
- Authority
- JP
- Japan
- Prior art keywords
- pile
- column
- pillar
- steel member
- 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.)
- Granted
Links
Landscapes
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は地中の杭部と地上
の柱部とからなる杭柱をもって杭をそのまま柱に利用し
た建築構造物に関するものであり、特に、該建築構造物
に於ける柱部中間間に架設される鉄骨部材を杭柱へ接続
する方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an architectural structure in which a stake is used as a pillar with a stake composed of an underground stake and a pillar on the ground. The present invention relates to a method of connecting a steel member installed between column portions to a pile column.
【０００２】[0002]
【従来の技術】本願出願人は、低層の店舗や倉庫等に適
し、建築コストの大幅な低廉化を図ることのできる建築
構造物として、杭をそのまま柱に利用することを提案し
た（特願平８−２７５１１６号等）。この杭を柱に利用
した建築構造物に於いては、基礎フーチングや地中梁が
不要になる分、工期が大幅に短縮され、それだけ建築コ
ストも低廉化する。他方、建築構造物たり得るには地震
等に対して所要の強度を有していることが前提条件にな
るので、敷地地盤の表層を地盤改良することとした。こ
れは以下のような解析結果に基づくものである。2. Description of the Related Art The applicant of the present application has proposed that a pile be used as a pillar as it is as a building structure suitable for low-rise stores and warehouses and capable of significantly reducing building costs (Japanese Patent Application No. 8-275116). In the building structure using this pile as a pillar, the construction time is greatly shortened and the construction cost is reduced because the foundation footing and the underground beam are not required. On the other hand, it is a prerequisite for building structures to have the required strength against earthquakes, etc., so the surface layer of the site ground was improved. This is based on the following analysis results.
【０００３】図３に於いて、線材Ｌはこの解析に用いた
杭柱のモデルである。解析ではこの線材Ｌの全長を１３
０００mmに設定するとともに、該線材Ｌのうち地中へ埋
設される杭部に相当する部分ＬP の長さを９０００mmと
し、地上に立設される柱部に相当する部分ＬC の長さを
４０００mmとした。また、該線材Ｌの先端（下端）をピ
ン支持するとともに、杭部に相当する部分ＬP には杭材
が地盤から受ける弾性復原力に相当するものとして、合
計９個のバネｋ1 ，ｋ2 …ｋ9 を１０００mm間隔で水平
に接続した。そして、線材Ｌの天端に外力として軸力Ｐ
及び水平力Ｈを加えた。[0003] In Fig. 3, a wire rod L is a model of a pile column used in this analysis. In the analysis, the total length of this wire L was 13
000 mm, the length L P of the wire L corresponding to the pile buried in the ground is 9000 mm, and the length L C corresponding to the pillar erected on the ground is It was 4000 mm. The tip of該線material L (the lower end) as well as pin support, as in the portion L P corresponding to the pile portion corresponding to the elastic restoring force receiving pilings from the ground, a total of nine spring k 1, k the 2 ... k 9 are connected horizontally at 1000mm intervals. An axial force P is applied to the top end of the wire L as an external force.
And a horizontal force H was applied.
【０００４】その結果、前記バネｋ1 ，ｋ2 …ｋ9 のう
ち線材Ｌの変形モードを支配する度合が最も大きいもの
は最上部のバネｋ1 であり、残りのバネｋ2 〜ｋ9 は影
響度が小さいことが判明した。即ち、これらのバネ
ｋ1 ，ｋ2 …ｋ9 のバネ定数を種々の大きさに設定して
線材Ｌの変形モードがどのように変化するかを調べたと
ころ、バネｋ1 のバネ定数が変わると線材Ｌの変形モー
ドも大きく変化するが、その他のバネｋ2 〜ｋ9 のバネ
定数が変わっただけでは線材Ｌの変形モードにそれほど
大きな変化は見られなかった。As a result, among the springs k 1 , k 2 ... K 9 , the one that controls the deformation mode of the wire L is the highest spring k 1 , and the remaining springs k 2 to k 9 The impact was found to be small. That is, when the spring constants of these springs k 1 , k 2 ... K 9 are set to various sizes, and how the deformation mode of the wire L changes is examined, the spring constant of the spring k 1 changes. And the deformation mode of the wire L also greatly changes, but only by changing the spring constants of the other springs k 2 to k 9, no significant change was found in the deformation mode of the wire L.
【０００５】これによって、表層の地盤特性についての
み、正確に把握することができれば、柱部の変形量は制
御可能であることが判明した。これはシステム全体の評
価を極めて容易にするものである。即ち、本解析モデル
を具体的な施工現場に適用する場合には、敷地地盤をボ
ーリングして各深さ毎のバネ定数を定め、それを前記バ
ネｋ1 ，ｋ2 …ｋ9 のバネ定数に当て嵌めることとなる
が、ボーリングデータにはばらつきが大きいので正確な
値を出すのは困難である。ところが、正確さを要求され
るのは表層のバネｋ1 のバネ定数のみであり、それ以深
のバネ定数は多少正確さを欠いても良い。そこで、この
表層を地盤改良することにすれば、その地盤特性を人為
的に操作することができ、従って、バネｋ1 のバネ定数
を正確に算定することができる。斯くして、信頼性の高
い評価が可能となり、此種建築構造物の所要強度を充分
に確保することができる。尚、地盤条件等によっては、
地盤改良をする必要のない場合もある。As a result, it has been found that if only the ground characteristics of the surface layer can be accurately grasped, the deformation of the column can be controlled. This makes the evaluation of the whole system extremely easy. That is, in case of applying the present analytical model to the specific construction site defines a spring constant of each depth by boring the site soil, it the spring constant of the spring k 1, k 2 ... k 9 Although this will be applied, it is difficult to obtain an accurate value because the boring data has large variations. However, what is required accuracy is only the spring constant of the spring k 1 of the surface layer, it the spring constant of the deeper somewhat may lack accuracy. Therefore, the surface layer if to ground improvement, the ground characteristics artificially can operate, therefore, it is possible to accurately calculate the spring constant of the spring k 1. Thus, highly reliable evaluation is possible, and the required strength of this type of building structure can be sufficiently ensured. Depending on the ground conditions,
In some cases, it may not be necessary to improve the ground.
【０００６】[0006]
【発明が解決しようとする課題】杭柱材料としてＰＣパ
イル等の既製のコンクリートパイルを用いる場合、天端
間に架設される鉄骨の桁については、該杭柱の天端に冠
着されている鋼製の杭キャップを用いて接続することが
できる。一方、天端以外の柱部中間間に鉄骨部材を架設
することもあるが、その場合、杭柱のコンクリート躯体
が露出した状態のままでは該杭柱に斯かる鉄骨部材を接
続して支持するのは困難である。When a ready-made concrete pile such as a PC pile is used as a pile post material, a steel girder installed between the top ends is mounted on the top end of the pile post. It can be connected using a steel pile cap. On the other hand, a steel frame member may be installed between the column portions other than the top end, but in this case, the steel frame member is connected to and supported by the pile column while the concrete frame of the pile column remains exposed. It is difficult.
【０００７】そこで、杭柱に鉄骨部材を容易に接続する
ことができるようにするために解決すべき技術的課題が
生じてくるのであり、本発明は該課題を解決することを
目的とする。[0007] Therefore, there arises a technical problem to be solved in order to easily connect the steel frame member to the pile column, and an object of the present invention is to solve the problem.
【０００８】[0008]
【課題を解決するための手段】本発明は上記課題を解決
するために提案されたものであり、杭柱の下部を地中へ
埋設して杭部となし、該杭柱の上部を地上に立設させて
柱部とした、杭を柱に利用した建築構造物に於ける柱部
中間間に架設される鉄骨部材を杭柱へ接続する方法を提
供するものである。SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned problems. The lower part of a pillar is buried in the ground to form a pile, and the upper part of the pillar is placed on the ground. An object of the present invention is to provide a method for connecting a steel frame member, which is erected between pillar portions in a building structure using a pile as a pillar portion, to a pile pillar.
【０００９】即ち、杭柱を遠心締固め成型するに際し
て、その柱部となる部分の所定位置に円筒鋼材を埋め込
むことにより、杭柱のコンクリート躯体から円筒鋼材の
外表面を露出させる。この円筒鋼材は杭柱天端の杭キャ
ップに縦筋を介して連結されている。そして、杭柱を建
込み後、前記円筒鋼材に直接又は控えを介して鉄骨部材
を接続する。That is, when the pile column is subjected to centrifugal compaction molding, the outer surface of the cylindrical steel material is exposed from the concrete body of the pile column by embedding a cylindrical steel material at a predetermined position of a portion to be the column portion. This cylindrical steel material is connected to the pile cap at the top of the pile column via a vertical bar. Then, after the pile pillar is built, a steel frame member is connected to the cylindrical steel material directly or via a stay.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を図１
及び図２に従って詳述する。図１は杭を柱に利用した建
築構造物１１の骨組を構築した状態を示したものであ
り、基礎フーチングや地中梁は設置されておらず、地中
の杭部１２ｐと地上の柱部１２ｃとからなる杭柱１２
に、該建築構造物１１の杭としての機能と柱としての機
能とを併有させている。FIG. 1 is a block diagram showing an embodiment of the present invention.
And FIG. FIG. 1 shows a state in which a skeleton of a building structure 11 using a pile as a pillar is constructed. No foundation footing or underground beam is installed, and an underground pile section 12p and a ground pillar section are shown. Pillar column 12 consisting of 12c
In addition, the function of the building structure 11 as a pile and the function as a pillar are combined.
【００１１】また、地盤１３の表層には図中二点鎖線で
示す深さまで固化剤が注入されて地盤改良が施されてい
る。これにより柱部１２ｃの変形量が制御可能となり、
建築構造物１１の所要強度が充分に確保されることとな
る。この地盤改良部１３ａの深さは大略１ｍ程度である
が、建築構造物１１の高さ、杭柱１２，１２…に加わる
荷重、固化剤の物性（硬度）及び地盤１３の状態等に応
じて増減させる。また、建築構造物１１の敷地全面を地
盤改良するのが望ましいが、コスト面を考慮して杭柱１
２，１２…間を縦横に結ぶ格子形状にすると良い。然る
ときは、該地盤改良部１３ａが地中梁と同様の作用を奏
することとなり、機能的にも優れている。尚、地盤条件
によっては必ずしも地盤改良をする必要のない場合もあ
る。Further, a solidifying agent is injected into the surface layer of the ground 13 to a depth indicated by a two-dot chain line in the figure to improve the ground. This makes it possible to control the amount of deformation of the column 12c,
The required strength of the building structure 11 is sufficiently ensured. Although the depth of the ground improvement portion 13a is approximately 1 m, it depends on the height of the building structure 11, the load applied to the pillars 12, 12,..., The physical properties (hardness) of the solidifying agent, the state of the ground 13, and the like. Increase or decrease. It is desirable to improve the ground of the entire site of the building structure 11.
It is preferable to form a lattice shape that connects 2, 12,... In that case, the ground improvement portion 13a has the same action as the underground beam, and is excellent in function. In some cases, it may not be necessary to improve the ground depending on the ground conditions.
【００１２】ここで、杭柱１２には既製のＰＣパイルが
用いられている。図２に示す如く、該杭柱１２の天端に
は杭キャップ１４を配設し、下端には底蓋１５を配設す
るとともに、柱部１２ｃの所定位置には円筒鋼材１６を
配設する。また、杭キャップ１４と円筒鋼材１６とは複
数本の縦筋１７，１７，１７にて連結して一体化してあ
る。即ち、杭キャップ１４と円筒鋼材１６とを所定長さ
離間させて配置するとともに、縦筋１７，１７，１７の
上端部を杭キャップ１４の内周面に当接して溶接し、且
つ、縦筋１７，１７，１７の下端部を円筒鋼材１６の内
周面に当接して溶接する。Here, an off-the-shelf PC pile is used for the pile 12. As shown in FIG. 2, a pile cap 14 is provided at a top end of the pile column 12, a bottom cover 15 is provided at a lower end, and a cylindrical steel material 16 is provided at a predetermined position of the column portion 12c. . Further, the pile cap 14 and the cylindrical steel material 16 are connected and integrated by a plurality of vertical streaks 17,17,17. That is, the pile cap 14 and the cylindrical steel material 16 are arranged with a predetermined distance therebetween, and the upper ends of the vertical bars 17, 17, 17 are brought into contact with the inner peripheral surface of the pile cap 14 and welded. The lower end portions of 17, 17, 17 abut against the inner peripheral surface of the cylindrical steel material 16 and are welded.
【００１３】そして、鉄筋籠（図示せず）の天端部にこ
の円筒鋼材１６を外挿して、縦筋１７，１７，１７相互
間の内側に鉄筋籠を挿入するとともに、該鉄筋籠の天端
縁に杭キャップ１４を冠着する。また、該鉄筋籠の内周
面に沿って配筋されたＰＣ鋼材（図示せず）の天端を杭
キャップ１４の上板内側面に係止する。[0013] The cylindrical steel material 16 is extrapolated to the top end of a reinforcing bar cage (not shown), and the reinforcing bar cage is inserted between the vertical bars 17, 17, and 17 and the top of the reinforcing bar cage is inserted. A pile cap 14 is mounted on the edge. Also, the top end of a PC steel material (not shown) arranged along the inner peripheral surface of the reinforcing rod cage is locked to the upper plate inner surface of the pile cap 14.
【００１４】一方、鉄筋籠の下端縁には前記底蓋１５を
冠着するとともに、前記ＰＣ鋼材の下端を該底蓋１５の
底板内側面に係止する。然る後に、この鉄筋籠を型枠
（図示せず）内に挿入するとともに、杭キャップ１４の
上板外側に緊張装置（図示せず）を取り付けることによ
り、天端を緊張端とし下端を固定端としてＰＣ鋼材を緊
張する。そして、型枠内にコンクリートを流し込み、且
つ、鉄筋籠を軸心回りに回転させる。斯くして、杭柱１
２が遠心締固め成型されて、鉄筋籠、ＰＣ鋼材及び縦筋
１７，１７，１７がコンクリート躯体内に埋設されると
ともに、杭キャップ１４、底蓋１５及び円筒鋼材１６に
ついては、夫々外表面がコンクリート躯体から露出する
ことになる。On the other hand, the bottom cover 15 is mounted on the lower end edge of the reinforcing rod cage, and the lower end of the PC steel material is engaged with the inner surface of the bottom plate of the bottom cover 15. Thereafter, the rebar basket is inserted into a formwork (not shown), and a tensioning device (not shown) is attached to the outside of the upper plate of the pile cap 14 so that the top end is a tensioned end and the lower end is fixed. Tension PC steel as edge. Then, concrete is poured into the formwork, and the rebar basket is rotated around the axis. Thus, the pillar 1
2 is subjected to centrifugal compaction molding, and the reinforcing rod cage, the PC steel material and the vertical bars 17, 17, 17 are embedded in the concrete body, and the outer surfaces of the pile cap 14, the bottom cover 15, and the cylindrical steel material 16 are respectively It will be exposed from the concrete frame.
【００１５】而して、図１に示した如く、地盤１３には
オーガ等にて立孔１８を支持層１３ｂへ達するまで掘削
し、該立孔１８内にセメントミルク１９を充填した後、
杭柱１２の下部を挿入して杭部１２ｐとなす。これによ
り地上には該杭柱１２の上残り分が立設されて柱部１２
ｃとなる。その後、該柱部１２ｃが鉛直になるように微
調整し、前記セメントミルク１９が固化するのを待つ。As shown in FIG. 1, a hole 18 is excavated in the ground 13 with an auger or the like until it reaches the support layer 13b, and after the hole 18 is filled with cement milk 19,
The lower part of the pillar 12 is inserted to form a pile part 12p. As a result, the remaining portion of the pile column 12 is erected on the ground,
c. Thereafter, the column 12c is finely adjusted so as to be vertical, and waits for the cement milk 19 to solidify.
【００１６】次いで、杭柱１２，１２…の天端上方間に
鉄骨の桁２０を架け渡す。このとき、前記杭キャップ１
４の上面にアンカープレート２１を配設するとともに、
該アンカープレート２１にスタッドボルト２２を立設
し、このスタッドボルト２２にて桁２０を定着する。杭
柱１２，１２…相互間の天端レベルに誤差があるときは
アンカープレート２１と桁２０との間にライナープレー
トを介装する等して調整する。Next, a steel girder 20 is bridged between the upper ends of the pillars 12, 12,.... At this time, the pile cap 1
While disposing the anchor plate 21 on the upper surface of 4,
A stud bolt 22 is erected on the anchor plate 21 and the beam 20 is fixed by the stud bolt 22. If there is an error in the crest level between the stake columns 12, 12, adjustment is performed by interposing a liner plate between the anchor plate 21 and the beam 20.
【００１７】そして、建築構造物１１の外周に配置され
た杭柱１２，１２…には、その天端近傍の外表面に露出
している円筒鋼材１６に控え２３を溶接するとともに、
隣り合う杭柱１２，１２の控え２３，２３間に鉄骨部材
２４を単純梁型式で架設する。ここで、鉄骨部材２４の
断面はＨ形をしており、そのウエブを横にして下方から
控え２３を当てがうように架設してある。このように、
鉄骨部材２４を架設する位置には杭柱１２の製作時に予
め円筒鋼材１６が埋め込まれているので、杭柱１２の建
込み後に該円筒鋼材１６に相当する鋼材を杭柱１２に設
置する必要がなく、現場作業を省力化することができる
とともに、取付け精度の確保も容易になる。また、円筒
鋼材１６は縦筋１７，１７，１７を介して杭キャップ１
４に連結されているので、鉄骨部材２４から受ける荷重
に充分耐えることができる。The pillars 12, 12,... Arranged on the outer periphery of the building structure 11 are welded with a stay 23 to a cylindrical steel material 16 exposed on the outer surface near the top end thereof.
A steel frame member 24 is installed between the stays 23 of the adjacent pile columns 12, 12 by a simple beam type. Here, the cross section of the steel frame member 24 is H-shaped, and it is erected so that the web 23 can be applied to the stay 23 from below with its web sideways. in this way,
Since the cylindrical steel material 16 is embedded in advance at the position where the steel frame member 24 is erected when the pile pillar 12 is manufactured, it is necessary to install a steel material corresponding to the cylindrical steel material 16 on the pile pillar 12 after the pile pillar 12 is built. In addition, labor on site can be saved, and mounting accuracy can be easily ensured. In addition, the cylindrical steel material 16 is connected to the pile cap 1
4, it can sufficiently withstand the load received from the steel frame member 24.
【００１８】そして、杭柱１２，１２…の外側に外壁２
５を設置するとき、桁２０と鉄骨部材２４との間に設置
する外壁２５ａについてはその下端部を鉄骨部材２４に
て支承する。更に、桁２０の上方には折板葺屋根２６を
被装するとともに、地表には１階の床スラブとなる土間
コンクリート２７を打設する等して、建築構造物１１を
完成させる。The outer walls 2 are provided outside the pile posts 12, 12.
When the 5 is installed, the lower end of the outer wall 25 a installed between the spar 20 and the steel frame member 24 is supported by the steel frame member 24. Further, the building structure 11 is completed by, for example, placing a folded-roofed roof 26 above the girder 20 and placing concrete slab 27 as a floor slab of the first floor on the ground surface.
【００１９】尚、本発明は、本発明の精神を逸脱しない
限り種々の改変を為すことができ、そして、本発明が該
改変されたものに及ぶことは当然である。The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified ones.
【００２０】[0020]
【発明の効果】以上説明したように、本発明は、鉄骨部
材を架設する位置には杭柱の製作時に予め円筒鋼材が埋
め込まれ、その外表面が露出しているので、この円筒鋼
材に直接又は控えを介して容易に鉄骨部材を接続するこ
とができる。従って、杭柱の建込み後に前記円筒鋼材に
相当する鋼材を杭柱に設置する必要はなく、現場作業を
省力化することができる。また、取付け精度の確保も容
易になる。更に、円筒鋼材は縦筋を介して杭キャップに
連結されているので、鉄骨部材から受ける荷重に充分耐
えることができる。As described above, according to the present invention, a cylindrical steel material is embedded in advance at the position where the steel frame member is to be erected at the time of manufacturing a pillar, and the outer surface thereof is exposed. Alternatively, the steel frame member can be easily connected via the stay. Therefore, there is no need to install a steel material corresponding to the cylindrical steel material on the pile post after the pile post is built, and it is possible to save on-site work. Also, it is easy to secure the mounting accuracy. Further, since the cylindrical steel material is connected to the pile cap via the vertical bar, the cylindrical steel material can sufficiently withstand the load received from the steel frame member.
【図１】本発明の実施の形態を示し、その正面断面図。FIG. 1 is a front sectional view showing an embodiment of the present invention.
【図２】杭柱の一部切欠斜視図。FIG. 2 is a partially cutaway perspective view of a pillar.
【図３】外力による杭柱の変形を調べる解析モデルの解
説図。FIG. 3 is an explanatory diagram of an analysis model for examining deformation of a pile column due to external force.
１１ 建築構造物 １２ 杭柱 １２ｃ 柱部 １２ｐ 杭部 １４ 杭キャップ １６ 円筒鋼材 １７ 縦筋 ２３ 控え ２４ 鉄骨部材 DESCRIPTION OF SYMBOLS 11 Building structure 12 Pillar pillar 12c Column part 12p Pillar part 14 Pile cap 16 Cylindrical steel material 17 Longitudinal streak 23 Refrain 24 Steel member
Claims (1)
し、該杭柱の上部を地上に立設させて柱部とした、杭を
柱に利用した建築構造物に於ける柱部中間間に架設され
る鉄骨部材を杭柱へ接続する方法であって、杭柱を遠心
締固め成型するに際して、杭柱天端の杭キャップに縦筋
を介して連結された円筒鋼材を、杭柱の柱部となる部分
の所定位置に埋め込むことにより、杭柱のコンクリート
躯体から該円筒鋼材の外表面を露出させた杭柱を用い、
杭柱を建込み後、該円筒鋼材に直接又は控えを介して鉄
骨部材を接続することを特徴とする杭を柱に利用した建
築構造物に於ける杭柱と鉄骨部材との接続方法。1. An architectural structure using a pile as a pillar, wherein the lower part of the pillar is buried in the ground to form a pile, and the upper part of the pillar is erected on the ground to form a pillar. This is a method of connecting a steel member installed between the column sections to the pile column, and when the pile column is subjected to centrifugal compaction molding, the cylindrical steel material connected to the pile cap at the top end of the pile column via a vertical bar is used. By embedding in a predetermined position of a portion to be a pillar portion of the pillar, using a pillar having the outer surface of the cylindrical steel material exposed from the concrete body of the pillar,
A method of connecting a pillar and a steel frame member in a building structure using a pile as a pillar, comprising connecting a steel frame member to the cylindrical steel material directly or via a stay after installing the pile column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09179374A JP3098727B2 (en) | 1997-07-04 | 1997-07-04 | Connection method between pile columns and steel members in building structures using piles as columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09179374A JP3098727B2 (en) | 1997-07-04 | 1997-07-04 | Connection method between pile columns and steel members in building structures using piles as columns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1122008A true JPH1122008A (en) | 1999-01-26 |
| JP3098727B2 JP3098727B2 (en) | 2000-10-16 |
Family
ID=16064746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09179374A Expired - Fee Related JP3098727B2 (en) | 1997-07-04 | 1997-07-04 | Connection method between pile columns and steel members in building structures using piles as columns |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3098727B2 (en) |
-
1997
- 1997-07-04 JP JP09179374A patent/JP3098727B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3098727B2 (en) | 2000-10-16 |
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