JP6260906B2 - Steel structure pile pillar-to-base beam joint integrated method - Google Patents
Steel structure pile pillar-to-base beam joint integrated method Download PDFInfo
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Description
本発明は、鉄骨建築の上部構造物とその土木基礎構造物の接点を高強度で精度良く溶接で製作する技術の方法に関するものである。 The present invention relates to a technique method for manufacturing a contact point between a superstructure of a steel frame building and a civil engineering foundation structure with high strength and high accuracy by welding.
鉄骨建築は、図１に示すように、通常は角形鋼管・丸形鋼管・Ｈ形鋼による柱１とＨ形鋼による梁２からなっており、該柱と梁の接合部は仕口であり、図２に示すように、角形鋼管を使った柱１の場合、仕口部３はダイアフラム５と柱短管６の部品から構成され溶接７により製作され、該仕口部と柱１と梁２が溶接７で接合されている。 As shown in Fig. 1, a steel building is usually composed of a square steel pipe, a round steel pipe, a pillar 1 made of H-shaped steel and a beam 2 made of H-shaped steel, and the joint between the pillar and the beam is a joint. As shown in FIG. 2, in the case of a column 1 using a square steel pipe, the joint portion 3 is composed of parts of a diaphragm 5 and a short column tube 6 and is manufactured by welding 7, and the joint portion, the column 1 and the beam are formed. 2 are joined by welding 7.
鉄骨建築構造を支えているのが、図１で示す基礎４である。この基礎４は、独立基礎、一つの基礎で２本以上の柱を支える複合基礎、フーチングを連続して形成する布基礎がある。これらの基礎を作ってから柱１を基礎に接続して、建築物と基礎とが一体になるのである。 The foundation 4 shown in FIG. 1 supports the steel building structure. The foundation 4 includes an independent foundation, a composite foundation that supports two or more pillars with one foundation, and a fabric foundation that continuously forms footings. After these foundations are made, the pillar 1 is connected to the foundation, and the building and the foundation are united.
図４に、従来の独立基礎の上に構築した鉄骨建築模式図を示す。建築は、大略柱１，梁２、接合部即ち仕口部３からなっており、柱１を支持する基礎柱又は杭８を設置する地盤９を所定深さまで掘削して所定形状の穴を形成させ、穴の所に所定形状の型枠を製作して、コンクリート１０を打設して、１週間ほどの養生期間を得て、固まらせる。また、水平材の基礎梁１１で基礎間を連結し、建物全体の剛性を上げて不同沈下を押さえているのである。 FIG. 4 shows a schematic view of a steel building constructed on a conventional independent foundation. The building is generally composed of pillars 1, beams 2, and joints or joints 3. The foundation 9 that supports the pillars 1 or the ground 9 on which the piles 8 are installed is excavated to a prescribed depth to form holes of a prescribed shape. Then, a mold having a predetermined shape is produced at the hole, and the concrete 10 is placed, and a curing period of about one week is obtained and solidified. Moreover, the foundation beams 11 of horizontal members are used to connect the foundations to increase the rigidity of the entire building, thereby suppressing uneven settlement.
特願平９−３４８８４１の例を示す。図５に、従来型の基礎を改良した杭柱一体型工法の模式図を示す。該工法では、従来のような基礎は使わず、先端につけたスクリュー１９で地盤９に鋼管杭１８をねじ込んで、該鋼管杭１８の地表部分で適当な寸法に上部を切断して一定の高さを確保して杭フランジ１６を溶接して、該杭フランジ１６と柱ベースプレート１２とをスペーサ１２Ｓを挟んでボルト１５とナット１４で固定する。 An example of Japanese Patent Application No. 9-348841 is shown. In FIG. 5, the schematic diagram of the pile pillar integrated construction method which improved the foundation of the conventional type is shown. In this construction method, a conventional foundation is not used, and a steel pipe pile 18 is screwed into the ground 9 with a screw 19 attached to the tip, and the upper portion is cut to an appropriate dimension at the surface portion of the steel pipe pile 18 to a certain height. The pile flange 16 is welded, and the pile flange 16 and the column base plate 12 are fixed with bolts 15 and nuts 14 with the spacer 12S interposed therebetween.
特願２００２−０５２８６０の例を示す。図３に、柱梁接合部を圧延鋼板等から採取した中実のサイコロ１７に柱１及び梁２を溶接接合させるもので、図２に示すような複雑な構造をしていない。 An example of Japanese Patent Application No. 2002-052860 is shown. In FIG. 3, the column 1 and the beam 2 are welded and joined to a solid dice 17 whose column-beam joint is taken from a rolled steel plate or the like, and does not have a complicated structure as shown in FIG.
従来の基礎工事には、特許文献１にも記述があるように次のような問題がある。
（１） 地盤を深く広く掘削する必要があり、掘削の作業量が大きく、残土が大量に出て、その処理に、費用と手間が掛かる。また、振動・騒音・砂埃が発生して環境問題が発生する恐れがある。
（２） コンクリート打設の手間と養生の期間が必要
（３） 大きなフーチングと基礎梁と広い基礎が必要で、高価な費用と長い養生期間の問題の他に、狭い箇所での施工が不都合になる場合が多い。
The conventional foundation work has the following problems as described in Patent Document 1.
(1) It is necessary to excavate the ground deeply and extensively, and the amount of excavation work is large, and a large amount of residual soil is produced, which requires cost and labor. In addition, vibration, noise, and dust are generated, which may cause environmental problems.
(2) Need for concrete placement and curing period (3) Large footings, foundation beams and wide foundations are required. In addition to the high cost and long curing period, construction in narrow places is inconvenient. There are many cases.
特許文献１では、次の問題がある。
（１） 杭柱接合部の構造は従来の柱梁接合部に比べて構造が複雑である。高さ調整用のスペーサなど調整に手間が掛かる。
（２） 柱の水平位置の調整が難しい
（３） 杭フランジ部１６の大きな剛性と強度を確保するのが難しい。
（４） 表層地盤が弱いと単独鋼管杭では柱の曲げ耐力に対し弱い。
特許文献２では、次の問題がある。
（１） 仕口部の構造が単純で、製作工数も少なく強度も高いが、土木基礎精度に対応した部材間の位置調整ができない。
（２） 工場製作には良いが、固定した鋼板等中実鋼材の現場溶接性が悪い。
Patent Document 1 has the following problems.
(1) The structure of the pile-column joint is more complex than the conventional column-beam joint. It takes time to adjust the height adjustment spacer.
(2) It is difficult to adjust the horizontal position of the column. (3) It is difficult to ensure the large rigidity and strength of the pile flange portion 16.
(4) If the surface ground is weak, the single steel pipe pile is weak against the bending strength of the column.
Patent Document 2 has the following problem.
(1) Although the structure of the joint is simple, the number of manufacturing steps is small and the strength is high, but the position adjustment between members corresponding to the civil engineering foundation accuracy cannot be performed.
(2) Good for factory production, but poor on-site weldability for solid steel such as fixed steel sheets.
このような諸課題は種々研究した結果、圧延・鍛造又は鋳造による鋼製の中実鋼材を用いて、柱下端の形状又は鋼管杭の接合方法を変えることによりこれらの問題が解決できることが明らかとなった。 As a result of various studies, it is clear that these problems can be solved by changing the shape of the column bottom or the method of joining the steel pipe piles using solid steel made of steel by rolling, forging or casting. became.
請求項１に係る発明の構成は、建築鉄骨構造物において、先ず水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延材・鍛造材又は鋳造材による中実鋼材を用いることであり、次の構成では、地盤に立設した単数又は複数の杭を建設地において所定の高さの位置でガス切断する如何を問わず
中実鋼材の下部に０．５乃至５ｍの鋼製短管杭又は鋼管杭を設けて該杭上端を中実鋼材に溶接接合で取り付けて、該鋼製短管下端と杭頭上端とを突き合わせ溶接するか、又は、該鋼製短管杭の下端に更に鋼管杭又は複合杭を設けて、又は該鋼製短管下端と杭頭外面をすみ肉溶接するか、又は該鋼製短管外面と杭頭上端とをすみ肉溶接して接合する方法であり、
段落８記載の特許文献１の（１）（２）（３），及び段落９記載の特許文献２の（１）（２）の諸問題を解決できる。即ち、コンクリートよりも強度の大きい平らな上面を有する単純な中実鋼材を用いて建設地における溶接接合により、諸問題が解決するのである。
図６〜図１３に実施例を示す。なお、これらの実施例において鋼製短管に取り付けた単数及び複数のつば付き通しダイアフラム又は外ダイアフラムの外縁の上側又は下側又はその両方に溶接肉盛を行い、通しダイアフラム又は外ダイアフラムの外縁肉厚を増加させて鉄筋コンクリートとの定着を良好にする実施も可能である。
The construction of the invention according to claim 1 is a building steel structure, in which the vertical dimension is first smaller than the horizontal dimension, and a plurality of rolled steels that are welded and joined together in a single or vertical direction. This is to use solid steel material made of wood, forging, or cast material, and in the following configuration, regardless of whether one or more piles standing on the ground are gas-cut at a predetermined height on the construction site A 0.5-5m steel short pipe pile or steel pipe pile is installed at the bottom of the solid steel material, and the top end of the pile is attached by welding to the solid steel material, and the bottom of the steel short pipe and the top of the pile head are butted together. Welding, or providing a steel pipe pile or a composite pile at the lower end of the steel short pipe pile, or fillet welding the steel short pipe lower end and the pile head outer surface, or the steel short pipe outer surface And the upper end of the pile head are joined by fillet welding,
The problems of (1), (2) and (3) of Patent Document 1 described in Paragraph 8 and (1) and (2) of Patent Document 2 described in Paragraph 9 can be solved. That is, various problems are solved by welding and joining in a construction site using a simple solid steel material having a flat upper surface that is stronger than concrete.
Examples are shown in FIGS. In these examples, the welding is performed on the upper or lower side of the outer edge of the single and plural flanged through diaphragms or outer diaphragms attached to the steel short pipe, or both, and the outer edge of the through diaphragm or the outer diaphragm. It is also possible to increase the thickness to improve the fixation with reinforced concrete.
図６及び図７は、中実鋼材の上部に柱及び梁を 取付け、その下部にそれぞれ単数及び複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けた状況図を示す。中実鋼材１７の下部柱脚部１Ｃは０．５乃至５ｍの鋼製短管杭でありその中間には単数又は複数の通しダイアフラム又は外ダイアフラム５２が設けられる。このダイアフラムは柱１Ｂの軸力をさせるものである。柱モーメントを負担させる場合はダイアフラムの外縁上に溶接肉盛をして突起をつけることもある。 6 and 7 show that a steel short pipe with a pillar and a beam attached to the upper part of a solid steel material and one or more flanged through diaphragms or outer diaphragms attached to the lower part and a base plate at the lower part thereof. The situation figure which attached (bottom plate) is shown. The lower column base 1C of the solid steel material 17 is a steel short pipe pile of 0.5 to 5 m, and one or a plurality of through diaphragms or outer diaphragms 52 are provided in the middle thereof. This diaphragm causes the axial force of the column 1B. When the column moment is to be borne, welding is sometimes performed on the outer edge of the diaphragm to make a protrusion.
図８は、中実鋼材と柱ダイアフラムとを合体してその上部に柱及び梁を 取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けた状況図を示す。柱１Ｂと柱脚部１Ｃの中心軸が殆どずれていない場合はこの方法が可能である。図２９及び図３０に示すように、柱１Ｂと柱脚部又は杭１Ｃの中心軸がδだけずれていても梁下フランジ部をδ分程度削除すれば容易に梁が柱に 取付けられる。
図９は、中実鋼材の上部に杭に対する芯ずれδのある柱及び梁を 取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更に
その下部にベースプレート（底版）を取り付けた状況図である。この場合は、柱ダイアフラム５と柱軸鋼材１７が一体化されている。
Figure 8 shows solid steel and column diaphragms combined with columns and beams attached to the upper part, and a steel short pipe with a plurality of flanged through diaphragms or outer diaphragms attached to the lower part. Fig. 2 shows the situation with the base plate (bottom plate) attached. This method is possible when the central axes of the column 1B and the column base 1C are hardly displaced. As shown in FIGS. 29 and 30, even if the central axis of the column 1B and the column base or the pile 1C is shifted by δ, the beam can be easily attached to the column by removing the beam lower flange portion by about δ.
Fig. 9 shows that a steel short tube with a plurality of flanged through-diaphragms or outer diaphragms attached to the lower part of a solid steel material with pillars and beams with misalignment δ relative to the pile on the upper part, and further on the lower part. It is the situation figure which attached the base plate (bottom plate). In this case, the column diaphragm 5 and the column shaft steel material 17 are integrated.
図１０は、中実鋼材即ちＫＫリングの上部に柱及び梁を取付け、その下部に鋼製短管を取り付けて更に鋼管杭又は複合杭を突合せ溶接で取り付けた状況図である。
図１１は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管を取り付けて更に該鋼製短管を鋼管杭の内側にすみ肉溶接で取り付けた状況図ｄｒ
図１２は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管を取り付けて更に該鋼製短管を鋼管杭の外側に置いた仮設リングの上にすみ肉溶接で取り付けた状況図である。
図１３は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管を取り付けて更に該鋼製短管を鋼管杭の外側に置いた下盛り溶接上にすみ肉溶接で取り付けた状況図である。
FIG. 10 is a situation diagram in which a column and a beam are attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe is attached to the lower part, and a steel pipe pile or a composite pile is further attached by butt welding.
FIG. 11 is a diagram showing a situation where a column is attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe is attached to the lower part, and the steel short pipe is further attached to the inside of the steel pipe pile by fillet welding.
FIG. 12 shows a case in which a column is attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe is attached to the lower part, and the steel short pipe is further fillet welded on a temporary ring placed outside the steel pipe pile. It is the attached situation figure.
FIG. 13 shows a case where a column is attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe is attached to the lower part, and the short steel pipe is further placed on the outside of the steel pipe pile by fillet welding. It is the attached situation figure.
請求項２に係る発明の構成では、鉄骨構造物において、
先ず、水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延・鍛造又は鋳造による部材からなる中実鋼材に対し、
該鋼管杭の上端及び該建築鉄骨柱の下端の両方又は片方を溶接により接合させることにより、鉄骨構造物を製作する方法であること
次の構成は、中実鋼材の上部と角形鋼管、丸形鋼管、又はＨ形鋼の建築鉄骨柱の下側端部の間の隅角部にテーパ付きのカットティーハンチを溶接接合させる方法であることである。このカットティーハンチは柱の周囲に任意の方向に任意の数量を取り付けられる。カットティーハンチ同士を独立に用いても良いし互いに溶接接合させても良い。
図１４に実施例を示す。
図１４（Ａ）は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管等を取り付けて更に中実鋼材（ＫＫリング）と柱に対してカットティーハンチ取り付けた正面断面図を示す。（Ｂ）は、外観上面図で、（Ｃ）は、カットティーハンチ同士を溶接で繋ぎ合わせたＡ−Ａ断面の上面図を示す。
In the configuration of the invention according to claim 2, in the steel structure,
First, for a solid steel material having a vertical dimension smaller than the horizontal dimension and consisting of a plurality of rolled, forged or cast members that are welded and joined together in a single or vertical direction,
It is a method for manufacturing a steel structure by welding both or one of the upper end of the steel pipe pile and the lower end of the building steel column by welding, and the following configuration consists of a solid steel upper part, a square steel pipe, a round shape It is a method in which a cut tee haunch with a taper is welded to the corner between the lower ends of the steel pipe or the steel steel column of the H-shaped steel. This cut tea haunch can be attached in any direction in any direction around the pillar. Cut tea haunches may be used independently or may be welded together.
FIG. 14 shows an embodiment.
FIG. 14 (A) shows a front surface in which a column is attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe or the like is attached to the lower part, and a cut steel haunch is attached to the solid steel material (KK ring) and the column. A cross-sectional view is shown. (B) is an external top view, and (C) is a top view of an AA cross section in which cut tea hunches are joined together by welding.
請求項３に係る発明の構成では、鉄骨構造物において、
先ず、水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延・鍛造又は鋳造による部材からなる中実鋼材に対し、
該鋼管杭の上端及び該建築鉄骨柱の下端の両方又は片方を溶接により接合させることにより、鉄骨構造物を製作する方法であること。
次の構成は、中実鋼材と該角形鋼管又は丸形鋼管の底部に溶接で取り付けた底版との中間に貫通ダイアフラム又は外ダイアフラムを取り付けることであり、第３の構成は該底版を底版下の改良地盤にアンカーで固定する方法であることである。
図１５〜図２２に実施例を示す。
In the configuration of the invention according to claim 3, in the steel structure,
First, for a solid steel material having a vertical dimension smaller than the horizontal dimension and consisting of a plurality of rolled, forged or cast members that are welded and joined together in a single or vertical direction,
It is a method for manufacturing a steel structure by joining both or one of the upper end of the steel pipe pile and the lower end of the building steel column by welding.
The next configuration is to install a through diaphragm or an outer diaphragm between the solid steel material and the bottom plate welded to the bottom of the square steel tube or round steel tube, and the third configuration is to attach the bottom plate to the bottom plate. It is a method of fixing to the improved ground with an anchor.
An embodiment is shown in FIGS.
図１５は、鋼製短杭の下部にベースプレート（底版）５４を取付け、更に該ベースプレートをアンカーで固定した状況図である。
図１６は、鋼製短杭の下部にダイアフラムを取り付けた上でベースプレートを 取付け、更に該ベースプレートをアンカーで固定した状況図を示す。
図１７は、中実鋼材と柱ダイアフラムとを合体してその上部に柱及び梁を 取付け、その下部に単数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けた状況図鋼製短杭の下部にベースプレートを 取付け、更に該ベースプレートをアンカーで固定した状況図
図１８は、中実鋼材と柱ダイアフラムとを合体してその上部に柱及び鉄筋コンクリート（
ＲＣ）梁を 取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けた状況図鋼製短杭の下部にベースプレートを 取付け、更に該ベースプレートをアンカーで固定した状況図である。つば付き通しダイアフラム又は外ダイアフラムの鉄筋がフレア溶接されているのが特徴である。
FIG. 15 is a situation diagram in which a base plate (bottom plate) 54 is attached to the lower part of a steel short pile, and the base plate is further fixed with an anchor.
FIG. 16 shows a situation diagram in which a base plate is attached after a diaphragm is attached to the lower part of a steel short pile, and the base plate is further fixed by an anchor.
Fig. 17 shows a combination of solid steel and a column diaphragm, a column and a beam attached to the upper part, and a steel short tube with a single flanged through diaphragm or an outer diaphragm attached to the lower part. Fig. 18 shows a situation where a base plate is attached to the lower part of a steel short pile, and the base plate is fixed with an anchor. Fig. 18 shows a solid steel material and a column diaphragm combined with a column on the top. And reinforced concrete (
RC) A situation in which a steel short pipe with a plurality of flanged through-diaphragms or an outer diaphragm is installed in the lower part and a base plate (bottom plate) is installed in the lower part of the steel plate. Is a situation diagram in which the base plate is further fixed with an anchor. It is characterized in that the rebar of the flanged diaphragm or the outer diaphragm is flared.
図１９は、一枚板の中実鋼材の上部に柱を取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けた状況図である。
図２０は、一枚板の中実鋼材の上部に柱及び梁を取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けアンカーで固定した状況図である。
図２１は、インナーリングとアウターリングから構成される中実鋼材の上部に柱及び梁を取付け、その下部に鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けアンカーで固定した状況図である。
FIG. 19 shows a steel short pipe with a pillar attached to the upper part of a single steel plate and a plurality of flanged through diaphragms or an outer diaphragm attached to the lower part, and a base plate (bottom plate) at the lower part. It is the attached situation figure.
FIG. 20 shows a steel short pipe in which a pillar and a beam are attached to the upper part of a single steel plate and a plurality of flanged through diaphragms or outer diaphragms are attached to the lower part, and a base plate (bottom plate) is further provided on the lower part. ) Is a situation diagram fixed with a mounting anchor.
In FIG. 21, a column and a beam are attached to the upper part of a solid steel material composed of an inner ring and an outer ring, a steel short pipe is installed at the lower part, and a base plate (bottom plate) is attached to the lower part and fixed with anchors. It is a situation diagram.
図２２は、インナーリングとアウターリングから構成される中実鋼材の上部に柱及び梁を取付け、その下部に複数のつば付き通しダイアフラム又は外ダイアフラムを取り付けた鋼製短管を設置して更にその下部にベースプレート（底版）を取り付けアンカーで固定した状況図である。 FIG. 22 shows a steel short pipe in which a column and a beam are attached to the upper part of a solid steel material composed of an inner ring and an outer ring, and a plurality of flanged through diaphragms or outer diaphragms are attached to the lower part. It is the situation figure which fixed the base plate (bottom plate) to the lower part with the attachment anchor.
請求項４に係る発明の構成では、鉄骨構造物において、
先ず、水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延・鍛造又は鋳造による部材からなる中実鋼材に対し、
該鋼管杭の上端及び該建築鉄骨柱の下端の両方又は片方を溶接により接合させることにより、鉄骨構造物を製作する方法において
第２の構成では、中実鋼材の上面と角形鋼管、丸形鋼管、又はＨ形鋼の建築鉄骨柱下端を溶接接合させるか、又は中実鋼材の中央部に貫通孔を設けて該貫通孔に角形鋼管、丸形鋼管、又はＨ形鋼を貫通させて該中実鋼材と該角形鋼管又は丸形鋼管を溶接させて、
第３の構成では、中実鋼材下端に取り付けた杭上端又は杭上端に溶接接合させた鋼製短管の中にセメントモルタルを該柱又は中実材を通じて充填させる方法であることである。
第４の構成では、角形鋼管、丸形鋼管、又はＨ形鋼の建築鉄骨柱下端外形寸法よりも杭の外形寸法の方が大きいことである。
図２３〜図２６に実施例を示す。
In the configuration of the invention according to claim 4, in the steel structure,
First, for a solid steel material having a vertical dimension smaller than the horizontal dimension and consisting of a plurality of rolled, forged or cast members that are welded and joined together in a single or vertical direction,
In the second configuration in the method of manufacturing a steel structure by joining both or one of the upper end of the steel pipe pile and the lower end of the building steel column by welding, the upper surface of the solid steel material, the square steel pipe, and the round steel pipe Or, the lower end of an H-shaped steel building steel column is welded or joined, or a through hole is provided in the center of a solid steel material, and a square steel pipe, a round steel pipe, or an H-shaped steel is passed through the through hole. Weld the actual steel material and the square or round steel pipe,
In the third configuration, the cement mortar is filled through the pillar or the solid material into the upper end of the pile attached to the lower end of the solid steel material or the steel short pipe welded to the upper end of the pile.
In a 4th structure, it is that the external dimension of a pile is larger than the external structural dimension of a square steel pipe, a round steel pipe, or an H-section steel architectural steel column lower end.
Examples are shown in FIGS.
図２３は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に杭を取り付けて、その杭内にコンクリート止め板を設置して更に鋼製短管内に孔を開けたＫＫリングを通してセメントモルタルを充填した状況図である。
図２４は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管を取り付けて更に鋼管杭又は複合杭を突合せ溶接で取り付けて、更に鋼製短管内に孔を開けたＫＫリングを通してセメントモルタルを充填した状況図
図２５は、中実鋼材即ちＫＫリングを貫通させて柱を取付け、その下部に鋼製短管を取り付けて更に鋼管杭又は複合杭を突合せ溶接で取り付けて、更に鋼製短管内に孔を開けたＫＫリングを通してセメントモルタルを充填した状況図である。
図２６は、中実鋼材即ちＫＫリングを貫通させて柱を取付け、その下部に杭を取り付けて、その杭内にコンクリート止め板を設置して更に鋼製短管内に孔を開けたＫＫリングを通してセメントモルタルを充填した状況図である。
FIG. 23 shows a solid steel material, that is, a column attached to the upper part of a KK ring, a pile attached to the lower part thereof, a concrete stopper plate installed in the pile, and a cement made through a KK ring with a hole in the steel short pipe. It is a situation figure filled with mortar.
FIG. 24 shows a solid steel material, that is, a column attached to the upper part of the KK ring, a steel short pipe attached to the lower part thereof, a steel pipe pile or a composite pile attached thereto by butt welding, and a hole formed in the steel short pipe. Fig. 25 shows the situation where the cement mortar is filled through the KK ring. Fig. 25 shows a solid steel material, that is, a column is inserted through the KK ring, a steel short pipe is attached to the lower part, and a steel pipe pile or a composite pile is attached by butt welding. Furthermore, it is the situation figure which filled the cement mortar through the KK ring which opened the hole in the steel short pipe.
FIG. 26 shows a solid steel material, that is, through a KK ring in which a pillar is attached by penetrating a KK ring, a pile is attached to the lower part thereof, a concrete stopper plate is installed in the pile, and a hole is formed in a steel short pipe. It is a situation figure filled with cement mortar.
請求項５に係る発明の構成では、建築鉄骨構造物において、
鉄骨構造物において、
先ず、水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延・鍛造又は鋳造による部材からなる中実鋼材に対し、
該鋼管杭の上端及び該建築鉄骨柱の下端の両方又は片方を溶接により接合させることにより、鉄骨構造物を製作する方法において
第２の構成では、該杭の上端及び該建築鉄骨柱の下端の両方を中実鋼材を介して建設地において溶接により接合させることであり、第３の構成では、鋼管杭の上端と中実鋼板と建築鉄骨柱の３部材を鉄筋強化コンクリート被覆するようにすることである。第４の構成は、杭の外形寸法が柱外形寸法よりも大きいことである。
発明の構成は請求項１、２、３、又は４に係る発明において、中実鋼材又は地表又は地中に設置する梁の一部又は全体を、鉄筋コンクリートで覆う構成が付加されている。この構成により、中実鋼材又は地表・地中梁の耐食性のみならず杭柱接合部の強度を向上させることができる。
図２７〜図２８に実施例を示す。
In the structure of the invention which concerns on Claim 5, in an architectural steel structure,
In steel structures,
First, for a solid steel material having a vertical dimension smaller than the horizontal dimension and consisting of a plurality of rolled, forged or cast members that are welded and joined together in a single or vertical direction,
In the second configuration in the method of manufacturing the steel structure by joining both or one of the upper end of the steel pipe pile and the lower end of the building steel column by welding, the upper end of the pile and the lower end of the building steel column are Both are joined by welding in the construction site through solid steel materials, and in the third configuration, the upper end of the steel pipe pile, the solid steel plate, and the steel steel column are covered with reinforced concrete. It is. A 4th structure is that the external dimension of a pile is larger than a column external dimension.
In the invention according to the first, second, third, or fourth aspect of the invention, a structure in which a part or the whole of a solid steel material, a ground surface, or a beam installed in the ground is covered with reinforced concrete is added. With this configuration, not only the corrosion resistance of the solid steel material or the ground surface / underground beam but also the strength of the pile column joint can be improved.
Examples are shown in FIGS.
図２７は、中実鋼材即ちＫＫリングの上部に柱を取付け、その下部に鋼製短管又は杭を取り付けて、更に柱の下部、中実鋼材及び杭上部をコンクリートで充填補強した状況図を示す。
図２８は、
中実鋼材即ちＫＫリングの上部に柱及び梁を取付け、その下部に鋼製短管又は杭を取り付けて、更に柱の下部、梁端部、中実鋼材及び杭上部をコンクリートで充填補強した状況図を示す。
FIG. 27 shows a situation where a column is attached to the upper part of a solid steel material, that is, a KK ring, a steel short pipe or a pile is attached to the lower part, and the lower part of the pillar, the solid steel material and the upper part of the pile are filled and reinforced with concrete. Show.
FIG.
Solid steel, that is, a column and a beam are attached to the top of the KK ring, a steel short pipe or pile is attached to the bottom, and the bottom of the column, the end of the beam, the solid steel and the top of the pile are filled and reinforced with concrete The figure is shown.
請求項１に係る発明では、
（１） 地盤を深く広く掘削する必要がなく、掘削の作業量が少なく、残土が殆どなく、その処理に、費用と手間が殆ど掛からない。また、振動・騒音・砂埃が発生して環境問題が発生する恐れが殆どない。
（２） コンクリート打設の手間と養生の期間が必要ない
（３） 大きなフーチングと基礎梁と広い基礎が不必要で、その費用と養生期間の問題がなく、狭い箇所での施工が可能になる。
（４） 従来の特許文献１の杭柱接合部に比べて構造が単純である。また、従来の特許文献１に比べて、高さ調整用のスペーサなど不要で、建設地での水平溶接の開先ギャップの調整により、柱の高さ調整ができて手間が掛からない。
（５） 中実鋼材のトップ面が平滑であり、柱下端を中実鋼材のトップ面で容易に水平にずらすことができて、柱の水平位置の調整が容易である。
（６） 中実鋼材の断面が大きくて、コンクリート製の柱脚や特願平９−３４８８４１の例よりも杭柱接合部の大きな剛性と強度が得られる。
（７） 仕口部の構造が単純で、製作工数も少なく強度も高い上に、土木基礎精度に対応した部材間の位置調整ができる。
（８） 中実鋼材と柱の現場溶接性は、柱の上下左右の位置調整が容易で姿勢が水平溶接であるため、良好である。
（９） 中実鋼材を水平方向に合わせた２個の圧延・鍛造又は鋳造による中実鋼材から構成させると、中実鋼材の製造費が低減できる。
（１０）杭芯と柱芯とが大きくずれた場合にも適用できる。特に、隣地が迫ったところで杭が打設できない場合にも柱を隣地近くに設置することができる。
（１１）鋼製短管があるので鋼製短管がない場合に比較して、鋼製短管長さの調節で杭上端高さの調節がより容易になる。即ち、該中実鋼材の上下方向の位置調整を容易にしている。
（１２）鋼製短管がない場合に比較して、鋼管杭以外の杭即ちＰＨＣ杭やＳＣ杭等に適用が可能になる。
（１３）鋼製短管がない場合に比較して、鋼製短管により中実鋼材下面に当接される杭径を大きくしたり小さくしたりすることができる。
In the invention according to claim 1,
(1) It is not necessary to excavate the ground deeply and widely, the amount of excavation work is small, there is almost no residual soil, and the cost and effort are hardly required for the treatment. In addition, there is almost no risk of environmental problems due to vibration, noise and dust.
(2) No need for concrete placement and curing period (3) No need for large footings, foundation beams and wide foundations, no problems with cost and curing period, and construction in narrow areas is possible .
(4) The structure is simple compared to the conventional pile-column joint of Patent Document 1. Further, compared to the conventional Patent Document 1, a height adjusting spacer or the like is unnecessary, and the height of the column can be adjusted by adjusting the groove gap of the horizontal welding at the construction site, so that labor is not required.
(5) The top surface of the solid steel material is smooth, the lower end of the column can be easily shifted horizontally with the top surface of the solid steel material, and the horizontal position of the column can be easily adjusted.
(6) The cross section of the solid steel material is large, and greater rigidity and strength of the pile column joint can be obtained than the concrete column base and Japanese Patent Application No. 9-348841.
(7) The structure of the joint is simple, the number of manufacturing steps is small, the strength is high, and the position adjustment between the members corresponding to the civil engineering foundation accuracy can be performed.
(8) The on-site weldability of the solid steel material and the column is good because the vertical and horizontal position adjustment of the column is easy and the posture is horizontal welding.
(9) If the solid steel material is composed of two solid steel materials obtained by rolling, forging, or casting in the horizontal direction, the manufacturing cost of the solid steel material can be reduced.
(10) The present invention can also be applied when the pile core and the column core are greatly displaced. In particular, a pillar can be installed near the adjacent land even when a pile cannot be placed where the adjacent land approaches.
(11) Since there is a steel short pipe, it is easier to adjust the pile top height by adjusting the steel short pipe length than when there is no steel short pipe. That is, the vertical position adjustment of the solid steel material is facilitated.
(12) Compared to the case where there is no steel short pipe, it can be applied to piles other than steel pipe piles, that is, PHC piles, SC piles, and the like.
(13) Compared to the case where there is no steel short pipe, the diameter of the pile abutted against the lower surface of the solid steel material by the steel short pipe can be increased or decreased.
請求項２に係る発明では、請求項１に係る発明に加えて次の効果がある。即ち、カットティーを用いることにより、大きな杭径に対してそれよりも小さい柱径を用いた場合に柱から杭に応力がスムーズに流れて柱と中実鋼材との間の応力集中が少なくなって継手強度が高くなる。従って、中実鋼材の厚みを小さくしたり、柱軸鋼材の厚みが同じでもより大きな柱軸力及び曲げモーメントに耐えることができるようになる。従って、柱サイズと杭サイズが異なってもこれらを選択する自由度が増す。 The invention according to claim 2 has the following effect in addition to the invention according to claim 1. That is, by using a cut tee, when a smaller column diameter is used for a larger pile diameter, stress flows smoothly from the column to the pile, and stress concentration between the column and the solid steel material is reduced. This increases the joint strength. Therefore, the thickness of the solid steel material can be reduced, and even if the thickness of the column shaft steel material is the same, it is possible to withstand a larger column axial force and bending moment. Therefore, the degree of freedom to select these increases even if the column size and the pile size are different.
請求項３に係る発明では、請求項１及び２の効果に加えて次の効果がある。即ち、
請求項３に係る発明では、０．５乃至５ｍの短杭を用いるので支持層浅い地盤でも本方法を適用することができる。更にアンカーを用いて地盤にベースプレート（底板）を固定させてその上の柱脚ないし柱を安定自立させる役割がある。柱脚を用いる場合はその上の柱を安定させて建て込みするのに役立つ。
The invention according to claim 3 has the following effect in addition to the effects of claims 1 and 2. That is,
In the invention which concerns on Claim 3, since a 0.5 to 5m short pile is used, this method is applicable also to the ground whose support layer is shallow. Furthermore, the base plate (bottom plate) is fixed to the ground using an anchor, and there is a role of stabilizing the column base or column on the base plate. When using a column base, it helps to build a stable column.
請求項４に係る発明では、請求項１、２及び３の効果に加えて次の効果がある。即ち、
請求項４に係る発明では、セメントモルタルにより杭頭部の強度を増加させると共に中実鋼材の強度を増加させることができ、より大きな柱軸荷重・曲げモーメントに耐えられるようになることである。
The invention according to claim 4 has the following effect in addition to the effects of claims 1, 2, and 3. That is,
In the invention according to claim 4, the strength of the pile head can be increased by the cement mortar and the strength of the solid steel material can be increased, so that a larger column shaft load / bending moment can be endured.
請求項５に係る発明では、請求項１、２、３及び４の効果に加えて次の効果がある。即ち、請求項５に係る発明では、柱・中実鋼材・杭及び地表又は地中に設置する梁の一部又は全体に対して、地盤支持力の向上、柱梁接合部・柱杭接合部強度及び耐性の向上をもたらす。 The invention according to claim 5 has the following effect in addition to the effects of claims 1, 2, 3, and 4. That is, in the invention according to claim 5, with respect to a part, or the whole of a beam installed on a column, a solid steel material, a pile, and the ground surface or the ground, an improvement in ground supporting force, a column beam joint, a column pile joint Provides increased strength and resistance.
１ 鉄骨柱
１Ａ 鉄骨１階上部柱
１Ｂ 鉄骨１階下部柱
１Ｃ 鉄骨基礎埋込柱脚部
２ 建築鉄骨梁
３ 建築鉄骨梁仕口部
４ 鉄骨建築基礎
５ ダイアフラム
６ 柱短管
７ 溶接又は溶接部
７Ｂ 突合せ溶接部
７Ｆ すみ肉溶接部
７Ｓ スロット溶接
７Ｃ １階柱同士の溶接
８ 基礎柱又は基礎杭
９ 地盤又は改良地盤
９Ａ 支持力のある地盤
９Ｂ 掘削部
１０ コンクリート定盤又は基礎
１０Ａ 捨てコンクリート
１１ 基礎梁、地中梁、地表梁
１１Ｆ 梁フランジ
１１Ｗ 梁ウエブ
１２ べースプレート
１２Ｓ スペーサ
１３ アンカーボルト
１４ ナット
１５ ボルト
１６ 杭フランジ
１７ サイコロ又は中実鋼材
１７Ａ リング状中実鋼材又はアウターリング（外ダイアフラム）
１７Ｈ 貫通孔
１７Ｊ 別の貫通孔
１８ 鋼管杭又はＰＨＣ杭に鋼管を接合させたもの等
１９ スクリュー羽根
２０ ルーズ裏当金又はルーズ短管又は水平ディスク
２１ 仮止めピース（ウマ）
２２ テーパ
２３ 短管
２４ プレビード（肉盛）
２５ 開先
２６ 柱１の中心線
２７ 杭１８の中心線
２８ Ｈ形鋼又は角形鋼管又は鋼板による梁
２９ 剛接合柱又はピン接合の間柱
３０ 中実鋼材の上面に溶接接合させたフランジ
３１ 柱の下面に溶接接合させたフランジ
３２ 鋼板製垂直翼
３３ 鋼板又はＨ形鋼又は角形鋼管製水平翼
３４ 垂直翼及び水平翼を取り付ける鋼管
３５ 鋼管杭に掛かる鉛直力
３６ 鋼管杭に掛かる曲げモーメント
３７ ブレース
３８ ルーズ裏当金又はルーズ短管又は水平ディスク
３９ 裏当金
４０ 仮付溶接
４１ 上下の高さ調整
４２ 左右の位置調整
４３ インナーリング
４４ 鋼管杭側面に取り付けた鋼板又はらせん板
４５ 円板
４６ スティフナー
４７ 組立用ストッパー
４８ セメント又はコンクリート又は鉄筋コンクリート
４９ ラップルコンクリート
５０ 円筒形又は多角形容器
５１ 仮設リング
５２ 下盛り溶接
５３ カットティーハンチ
５４ 底版
５５ 支持層
５６ 地盤改良又は捨てコンクリート
５７ アンカー
５８ 軟弱地盤
５９ 埋め戻し土又は改良土
６０ ＲＣ（鉄筋コンクリート）基礎梁
６１ 鉄筋
６２ セメントモルタル
６３ 貫通孔
６４ 中板
1 Steel Column 1A Steel 1st Floor Upper Column 1B Steel 1st Floor Lower Column 1C Steel Foundation Embedded Column Base 2 Building Steel Beam 3 Building Steel Beam Joint 4 Steel Building Foundation 5 Diaphragm 6 Column Short Tube 7 Welding or Welding 7B Butt welded portion 7F Fillet welded portion 7S Slot welded 7C Welding between first floor columns 8 Foundation column or foundation pile 9 Ground or improved ground 9A Supporting ground 9B Excavated portion 10 Concrete surface plate or foundation 10A Discarded concrete 11 Foundation beam , Underground beam, ground beam 11F beam flange 11W beam web 12 base plate 12S spacer 13 anchor bolt 14 nut 15 bolt 16 pile flange 17 dice or solid steel material 17A ring-shaped solid steel material or outer ring (outer diaphragm)
17H Through hole 17J Another through hole 18 Steel pipe pile or PHC pile joined steel pipe etc. 19 Screw blade 20 Loose backing metal or loose short pipe or horizontal disk 21 Temporary fastening piece (horse)
22 Taper 23 Short tube 24 Pre-bead
25 Groove 26 Center line 27 of column 1 Center line 28 of pile 18 Beam made of H-shaped steel, square steel pipe or steel plate 29 Rigidly connected column or pin-connected intermediate column 30 Flange 31 welded to the upper surface of solid steel material 31 Flange 32 welded to the lower surface 33 Steel plate vertical blade 33 Horizontal plate 34 made of steel plate or H-shaped steel or rectangular steel pipe Steel pipe 35 to which the vertical blade and horizontal blade are attached 35 Vertical force applied to the steel pipe pile 36 Bending moment 37 applied to the steel pipe pile Loose backing metal or loose short pipe or horizontal disk 39 Backing metal 40 Temporary welding 41 Vertical height adjustment 42 Left and right position adjustment 43 Inner ring 44 Steel plate or spiral plate 45 attached to the side of steel pipe pile 45 Disc 46 Stiffener 47 Stopper for assembly 48 Cement or concrete or reinforced concrete 49 Wrap concrete 50 Cylindrical or polygonal 51 Temporary ring 52 Bottom weld 53 Cut tea haunch 54 Bottom plate 55 Support layer 56 Ground improvement or discarded concrete 57 Anchor 58 Soft ground 59 Backfill soil or improved soil 60 RC (steel reinforced) foundation beam 61 Reinforcement 62 Cement mortar 63 Through hole 64 Middle plate
Claims (5)
水平寸法よりも鉛直方向寸法が小さく、且つ、水平に置かれた単数の又は鉛直方向に合わせて互いに溶接接合された複数の圧延・鍛造又は鋳造による部材からなる中実鋼材に対し、
鋼製短管杭の上端及び建築鉄骨柱の下端の両方又は片方を溶接により接合させることにより、鉄骨構造物を製作する方法において、
前記中実鋼材の下部に０．５乃至５ｍの前記鋼製短管杭を設けて該鋼製短管杭の上端を前記中実鋼材に溶接接合で取り付けて、前記鋼製短管杭の下端に更に鋼管杭又は複合杭を設けて、該鋼製短管杭の下端と前記鋼管杭又は複合杭の杭頭の上端とを突き合わせ溶接するか、又は、該鋼製短管杭の下端と前記杭頭の外面をすみ肉溶接するか、又は該鋼製短管杭の外面と前記杭頭の上部内面とをすみ肉溶接して接合する方法。 In steel structures,
For a solid steel material having a vertical dimension smaller than the horizontal dimension and consisting of a single member placed horizontally or a plurality of rolled, forged or cast members welded together according to the vertical direction,
In the method of manufacturing a steel structure by joining both or one of the upper end of the steel short pipe pile and the lower end of the steel frame column by welding ,
Attached by welding joining an upper end of the lower to 0.5 or steel-made short pipe piles of providing the steel short tube piles of 5m real steel in the the actual steel in the lower end of the steel short tube piles Further, a steel pipe pile or a composite pile is provided, and the lower end of the steel short pipe pile and the upper end of the pile head of the steel pipe pile or the composite pile are butt welded, or the lower end of the steel short pipe pile and the above A method in which the outer surface of the pile head is fillet welded or the outer surface of the steel short pipe pile and the upper inner surface of the pile head are fillet welded and joined .
前記中実鋼材の上部と角形鋼管、丸形鋼管、又はＨ形鋼からなる前記建築鉄骨柱の下側端部の間の隅角部にテーパ付きのカットティーを溶接接合させる方法。 And have you to claim 1,
Top and RHS of the real steel in the method for round steel pipe, or welding the cut tea tapered in the angle portion between the lower end portion of the building steel columns made of H-beams.
前記鋼製短管杭の中間に単数又は複数のつば付き通しダイアフラム又は外ダイアフラムを取り付け、前記鋼製短管杭の底部に床版を取り付けて、該底版を当該底版の下の改良地盤にアンカーで固定する方法。 Oite to claim 1 or 2,
At least one flanged through diaphragm or outer diaphragm is attached in the middle of the steel short pipe pile, a floor slab is attached to the bottom of the steel short pipe pile, and the bottom slab is anchored to the improved ground below the bottom slab. How to fix with .
前記中実鋼材の上面と角形鋼管、丸形鋼管又はＨ形鋼からなる前記建築鉄骨柱の下端とを溶接接合させるか、又は前記中実鋼材の中央部に貫通孔を設けて該貫通孔に前記鋼製短管杭の外径寸法よりも小さい角形鋼管、丸形鋼管、又はＨ形鋼柱からなる前記建築鉄骨柱を貫通させて該中実鋼材と前記建築鉄骨柱を溶接させて、前記中実鋼材の下端に取り付けた前記鋼製短管杭の中にセメントモルタルを該建築鉄骨柱又は前記中実鋼材の前記貫通孔を通じて充填させる方法。 Oite claims 1 to any one of 3,
Top and RHS of the real steel in the, or the lower end of the building steel columns made of round steel tube or H-shaped steel is welded, or through hole provided through hole in its central portion of the solid steel in the small RHS than the outer diameter of the steel short tube piles and round steel pipe, or by penetrating the building steel columns made of H-shaped steel pillars with intermediate real steel the building steel column is welded, the A method of filling a cement mortar into the steel short pipe pile attached to the lower end of a solid steel material through the building steel column or the through hole of the solid steel material .
前記建築鉄骨柱の下端及び該建築鉄骨柱の下端外形寸法よりも大きい前記鋼製短管杭の上端の両方を建設地において溶接により前記中実鋼材に接合させ、且つ、前記鋼製短管杭の上端と前記中実鋼板と前記建築鉄骨柱の３部材を鉄筋強化コンクリート被覆するようにすることにより、鉄骨構造物を製作する方法。 Oite claims 1 to any one of 4,
Both the lower end of the architectural steel column and the upper end of the steel short pipe pile larger than the lower end outer dimension of the architectural steel column are joined to the solid steel material by welding in a construction site, and the steel short pipe pile by the 3 members of the upper end and said solid steel plate the building steel columns of so as to rebar reinforced concrete coating, a method of fabricating a steel structure.
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