JP3057466B2 - How to build underground structures - Google Patents

How to build underground structures

Info

Publication number
JP3057466B2
JP3057466B2 JP5305805A JP30580593A JP3057466B2 JP 3057466 B2 JP3057466 B2 JP 3057466B2 JP 5305805 A JP5305805 A JP 5305805A JP 30580593 A JP30580593 A JP 30580593A JP 3057466 B2 JP3057466 B2 JP 3057466B2
Authority
JP
Japan
Prior art keywords
floor
foundation beam
foundation
constructing
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.)
Expired - Fee Related
Application number
JP5305805A
Other languages
Japanese (ja)
Other versions
JPH07138972A (en
Inventor
功 柳沢
友行 相模
忠男 村野
良隆 恒見
哲雄 木村
茂史 林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takenaka Corp
Original Assignee
Takenaka Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Takenaka Corp filed Critical Takenaka Corp
Priority to JP5305805A priority Critical patent/JP3057466B2/en
Publication of JPH07138972A publication Critical patent/JPH07138972A/en
Application granted granted Critical
Publication of JP3057466B2 publication Critical patent/JP3057466B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0036Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
    • C03C10/0045Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】この発明は、地下躯体の構築法、
特に、逆打ちにより基礎梁より上方の地下躯体を構築
し、かつ基礎梁をその上部及び上部以外の部分等に分け
て構築する地下躯体の構築法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention
In particular, the present invention relates to a method for constructing an underground skeleton above a foundation beam by reverse striking and dividing the foundation beam into an upper portion and a portion other than the upper portion.

【0002】[0002]

【従来の技術】従来の逆打ち等による地下躯体の建築法
は、通常、地下躯体の柱形成位置の深部に基礎台柱を建
築し、基礎台柱の芯に鉄骨造、鉄骨鉄筋コンクリート造
又は鉄筋コンクリート造の柱(単に構真柱という)を建
て込み、その構真柱の上に上部躯体を建築しながら、そ
れと並行して、掘削機を使って地下躯体の形成箇所の地
盤を順次掘削して、地下躯体の上方の階から下方の階に
向けて各地下階の床、梁等を順次逆打ちにより構築し、
地下躯体の形成箇所の下部の地盤を掘削して床付けし
て、床付けした地盤の上に捨てコンクリートを打ち、捨
てコンクリートの上に耐圧盤、基礎梁及び最下階の室の
床を構築している。
2. Description of the Related Art Conventionally, a method of building an underground skeleton by backlashing or the like generally includes building a foundation pedestal at a deep portion of a column forming position of the underground skeleton, and forming a steel frame, a steel reinforced concrete structure or a reinforced concrete structure at a core of the foundation pedestal. Pillars (simply referred to as “trussed pillars”) are built, and the upper skeleton is built on the trussed pillars. At the same time, the ground at the location where the underground skeleton is formed is sequentially excavated using an excavator. From the upper floor of the building to the lower floor, build the floors, beams, etc. of each basement floor by reverse hitting sequentially,
Excavate the ground below the part where the underground skeleton is formed, attach it to the floor, hit the discarded concrete on the ground with the floor, build the pressure plate, foundation beams and floor of the lowest floor room on the discarded concrete doing.

【0003】[0003]

【発明が解決しようとする課題】上述の従来の逆打ち等
による地下躯体の建築法は、地下躯体の形成箇所の地盤
を掘削して床付けして、床付けした地盤の上に捨てコン
クリートを打ち、捨てコンクリートの上に耐圧盤、基礎
梁及び床を構築するため、地下躯体の最下階の室の床、
基礎梁、耐圧盤等の構築時に、構築中の地下躯体の最下
部を高くて大きな空間にする必要があり、構築中の地下
躯体の下部の周囲の山止め壁等に大きな力が作用するた
め、それを切張り、腹起し等を使って補強する必要が生
じる。また、地下躯体の最下階の室の床、基礎梁、耐圧
盤等を順打ちで構築することになり、通路、足場等のた
めに多量の架設材が必要になる欠点がある。この発明の
解決しようとする課題は、従来の地下躯体の構築法の上
述の欠点を有しない基礎梁の構築法を提供すること、換
言すると、切張り、腹起し等による山止め壁等の補強が
不要で、地下躯体の最下階の室の床、基礎梁、耐圧盤等
を安全に施工性よく構築できる地下躯体の構築法を提供
することにある。
According to the above-mentioned conventional method of building an underground skeleton by backlashing or the like, the ground at the location where the underground skeleton is formed is excavated and floored, and concrete discarded on the ground with the floor. The floor of the lowermost room of the underground building,
When building foundation beams, pressure panels, etc., it is necessary to make the bottom of the underground skeleton under construction high and large, and a large force acts on the retaining wall around the bottom of the underground skeleton under construction , It needs to be cut and reinforced with a stomach. In addition, the floor of the lowermost floor of the underground skeleton, foundation beams, pressure-resistant panels, and the like must be constructed in order, and there is a disadvantage that a large amount of construction materials are required for passages, scaffolds, and the like. The problem to be solved by the present invention is to provide a method of constructing a foundation beam that does not have the above-mentioned disadvantages of the conventional method of constructing an underground skeleton. An object of the present invention is to provide a method of constructing an underground skeleton that does not require reinforcement and that can safely construct the floor of the lowermost room of the underground skeleton, foundation beams, pressure-resistant panels, and the like with good workability.

【0004】[0004]

【課題を解決するための手段】この発明は、前記課題を
解決するための手段として、次の構成を採用する。この
発明の構成は、地下躯体の柱形成位置の深部に基礎台柱
を構築し、この基礎台柱の芯に鉄骨造、鉄骨鉄筋コンク
リート造又は鉄筋コンクリート造の構真柱を建て込み、
地下躯体の形成箇所の地盤を順次掘削して、地下躯体の
上方の梁及び床から下方の梁及び床へと逆打ちにより順
次構築する地下躯体の建築法において、基礎梁の上部を
構築し、基礎梁の上部より下方の地盤を掘削して床付け
し、床付けした地盤上に耐圧板及び基礎梁の上部以外の
部分を構築し、基礎梁上に床を構築することを特徴とす
る地下躯体の構築法にある。好ましい実施形態において
は、基礎梁の上部を構築し、基礎梁の上部より下方の地
盤を掘削して床付けし、床付けした地盤上に基礎梁の下
部と耐圧盤とを一緒に構築し、基礎梁の中部を基礎梁の
下部及び上部と一体に構築し、基礎梁上に床を構築す
る。基礎梁の上側の床は、基礎梁により囲まれる空間の
上側に、本設の支持体(例えば、デッキプレート、プレ
キャストのコンクリート造の床板)又は仮設の支持体
(例えば、ベニヤ型枠)を配設し、該支持体の上側にス
ラブ鉄筋を配してコンクリートを打設して構築する。
The present invention employs the following structure as means for solving the above-mentioned problems. The configuration of the present invention is to construct a foundation pedestal in the deep part of the column formation position of the underground skeleton, and erected a steel frame structure, a steel reinforced concrete structure or a reinforced concrete structure at the core of the foundation pedestal,
In the underground skeleton building method of sequentially excavating the ground at the formation location of the underground skeleton, and sequentially building from the upper beam and floor of the underground skeleton to the lower beam and floor, building the upper part of the foundation beam, Underground characterized by excavating the ground below the upper part of the foundation beam and laying it on the floor, constructing parts other than the pressure plate and the upper part of the foundation beam on the ground with the floor, and constructing the floor on the foundation beam In the method of building the skeleton. In a preferred embodiment, the upper part of the foundation beam is constructed, the ground below the upper part of the foundation beam is excavated and floored, and the lower part of the foundation beam and the pressure plate are built together on the floored ground, The middle part of the foundation beam is constructed integrally with the lower and upper parts of the foundation beam, and the floor is constructed on the foundation beam. The floor above the foundation beam is provided with a permanent support (eg, deck plate, precast concrete floorboard) or a temporary support (eg, veneer formwork) above the space enclosed by the foundation beam. And slab rebar is arranged on the upper side of the support, and concrete is poured in to construct.

【0005】[0005]

【作 用】この発明の地下躯体の構築法は、基礎梁の上
部を構築して、基礎梁の上部より下方の地盤を掘削して
床付けし、床付けした地盤上に耐圧板及び基礎梁の上部
以外の部分を構築するから、基礎梁の上部を切張り及び
腹起しとして使用することができ、山止め壁の変形を防
止することができる。また、基礎梁の上部により囲まれ
る空間を作業用及び通路用の空間として兼用できる。
The construction method of an underground skeleton according to the present invention is to construct an upper part of a foundation beam, excavate the ground below the upper part of the foundation beam, attach the floor, and place a pressure plate and a foundation beam on the ground with the floor. Since the part other than the upper part is constructed, the upper part of the foundation beam can be used as a cut and a bulge, and deformation of the retaining wall can be prevented. Further, the space surrounded by the upper part of the foundation beam can also be used as a work space and a passage space.

【0006】[0006]

【実施例】実施例を図1ないし図15を使って説明す
る。図1に示すように、地下躯体の形成箇所の周囲に、
常法によりH型鋼等を含む山止め壁1を構築する。地下
躯体の柱形成位置の地盤Gを深く掘削して基礎台柱2を
形成する縦孔を形成し、この縦孔の下部にコンクリート
を打ち込み、コンクリートが固化しないうちに、鉄骨
造、鉄骨鉄筋コンクリート造又は鉄筋コンクリート造の
構真柱3の下方部分3aを縦孔内のコンクリート中に根
入れして、コンクリートの固化により基礎台柱2を形成
し、かつ構真柱3の下方部分3aを基礎台柱2に固着す
る。図1に示すように、適宜の掘削機を使ってレベルL
1まで地盤Gを根切りして、上部躯体の1階の鉄筋コン
クリート造又は鉄骨鉄筋コンクリート造の梁4aを構真
柱3と一体に構築し、かつ梁4aと一体に鉄筋コンクリ
ート造の床4bを構築する。また、図2に示すように、
適宜の掘削機を使ってレベルL2まで掘削し、下部躯体
の地下1階の鉄筋コンクリート造又は鉄骨鉄筋コンクリ
ート造の梁5aを構真柱3と一体に構築し、かつ梁5a
と一体に鉄筋コンクリート造の床5bを構築する。次
に、図3、図4及び13図に示すように、適宜の掘削機
を使ってレベルL3まで掘削し、基礎梁10の上部を形
成する地盤の部分に頂角が鈍角の凹部6を形成する。そ
して、この凹部6に基礎梁10の上部用の梁底型枠7を
配置し、前記凹部6以外の地盤面にレベリングコンクリ
ート8を打設する。なお、型枠7を使う代わりに、凹部
6の表面をコンクリート、モルタル等の打設面により形
成してもよい。この場合は、凹部6へのコンクリート、
モルタル等の打設を、レベリングコンクリート8の打設
と一緒に行なってもよいし、それに先行して行なっても
よい。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described with reference to FIGS. As shown in FIG. 1, around the formation of the underground skeleton,
The retaining wall 1 including an H-section steel or the like is constructed by an ordinary method. The ground G at the column forming position of the underground skeleton is deeply excavated to form a vertical hole forming the foundation pedestal 2, and concrete is driven into the lower part of the vertical hole, and before the concrete is solidified, steel structure, steel reinforced concrete or The lower part 3a of the reinforced concrete structure pillar 3 is pierced into the concrete in the vertical hole, and the foundation pillar 2 is formed by solidifying the concrete, and the lower part 3a of the construction pillar 3 is fixed to the foundation pillar 2. I do. As shown in FIG. 1, the level L is adjusted using an appropriate excavator.
The ground G is truncated to 1 and a reinforced concrete or steel reinforced concrete beam 4a on the first floor of the upper skeleton is integrally formed with the trussed pillar 3, and a reinforced concrete floor 4b is integrally formed with the beam 4a. . Also, as shown in FIG.
Was drilled to a level L 2 with an appropriate excavator, to construct a basement floor of reinforced concrete or steel reinforced concrete beams 5a of the lower skeleton together with構真column 3, and the beam 5a
To form a reinforced concrete floor 5b. Next, as shown in FIGS. 3, 4 and 13 figures, drilled to level L 3 with an appropriate excavator, the recess 6 apex angle portion of the ground is obtuse forming the top of the footing beams 10 Form. Then, the beam bottom formwork 7 for the upper part of the foundation beam 10 is arranged in the concave portion 6, and the leveling concrete 8 is cast on the ground surface other than the concave portion 6. Instead of using the formwork 7, the surface of the recess 6 may be formed by a casting surface such as concrete or mortar. In this case, concrete into recess 6
The placement of the mortar or the like may be performed together with the placement of the leveling concrete 8 or may be performed prior thereto.

【0007】図4、図5及び図14に示すように、梁底
型枠7の上に、補助肋筋11c、基礎梁10の上梁主筋
11a1、上縦肋筋11b1、上横肋筋11b2、打ち増
し筋11dを配筋する。鉄筋11a1、11b1、11b
2、11c、11dの両側を側型枠9で囲み、型枠9内
にコンクリートを打設して、基礎梁10の上部10Aを
形成する。なお、補助肋筋11c、上縦肋筋11a1
び上横肋筋11a2としては、例えば、図15に示す形
状のものを使う。基礎梁10の上部10Aを形成してか
ら、図6及び図7に示すように、基礎梁の上部10Aで
囲まれる地盤を適宜の掘削機を使って掘削して空間Sを
形成し、この空間S内に適宜の掘削機を配置して、この
掘削機を使って、図8に示すように、地盤をレベルL4
まで掘削し、この地盤上に捨てコンクリート13を打設
する。
As shown in FIG. 4, FIG. 5 and FIG. 14, an auxiliary rib 11c, an upper main bar 11a 1 , an upper vertical rib 11b 1 , an upper horizontal rib The reinforcement 11b 2 and the overstretch 11d are arranged. Rebar 11a 1, 11b 1, 11b
2 , enclosing both sides of 11c, 11d with the side form 9 and casting concrete in the form 9 to form the upper part 10A of the foundation beam 10. The auxiliary stirrups 11c, as the Uetateabarasuji 11a 1 and the upper lateral stirrups 11a 2, for example, using a shape shown in FIG. 15. After the upper portion 10A of the foundation beam 10 is formed, as shown in FIGS. 6 and 7, the ground surrounded by the upper portion 10A of the foundation beam is excavated using an appropriate excavator to form a space S. An appropriate excavator is arranged in S, and this excavator is used to raise the ground level L 4 as shown in FIG.
Excavation is performed until the concrete 13 is dumped on the ground.

【0008】図10及び図14に示すように、地下1階
の梁5aに、スライドクレーンSCを取付け、このクレ
ーンSCを使って鉄筋や型枠を揚重し得るようにする。
そして、捨てコンクリート13上に、耐圧盤14用の鉄
筋14a、基礎梁10の下部10B用の下肋筋11b3
及び基礎梁10の下梁主筋11a2を配し、捨てコンク
リート13上にコンクリートを打設して、耐圧盤14を
形成し、かつ基礎梁の下部10Bを形成する。下肋筋1
1b3として、例えば、図15に示す形状のものを使
う。図11及び図13に示すように、耐圧盤14の上側
において、基礎梁10の上部10Aの上縦肋筋11b1
の下端と、基礎梁の下部10B用の下肋筋11b3の上
部間に中縦肋筋11b4を配し、その上端を上縦肋筋1
1b1の下端に圧接し、その下部を下肋筋11b3の上部
に重ね継ぎする。そして、スライドクレーンSCを使っ
て中縦肋筋11b4等の外側に型枠15を配置する。型
枠15内にコンクリートを打設して、基礎梁10の中部
10Cを構築する。基礎梁10の上部10Aの下側が傾
斜面10Aaになっているから、型枠15内をコンクリ
ートで容易に満たすことができ、基礎梁10の中部10
Cは基礎梁10の上部10A及び下部10Bと一体に構
築できる。なお、中縦肋筋11b4として、例えば、図
15に示す形状のものを使う。図12に示すように、ス
ライドクレーンSCを使って、型枠15等を撤去して、
基礎梁10で囲まれる空間の上側にプレキャストのコン
クリート造の床板16を載置する。図12及び図14に
示すように、床板16及び基礎梁10の上側に格子状に
鉄筋17を配し、この鉄筋17の一部を基礎梁10に埋
め込んだ打ち増し筋11dの露出部に連結する。そし
て、図13に示すように、床板16及び基礎梁10の上
側にコンクリートを打設して、基礎梁10の上側に地下
2階(すなわち、地下躯体の最下階)の床18を構築す
る。床18は現場打ちコンクリート床とプレキャストの
コンクリート造の床板16とで構成される。なお、床1
8は、従来どおりに、ベニヤ型枠、デッキプレート等を
使って構築してもよい。上述の実施例では、説明を簡単
にするため、地下2階の地下躯体を構築する場合の例を
挙げたが、地下3階以上の地下躯体を構築する場合も同
様である。
As shown in FIGS. 10 and 14, a slide crane SC is attached to the beam 5a on the first basement floor, and the crane SC can be used to lift reinforcing bars and formwork.
Then, on the discarded concrete 13, a reinforcing bar 14 a for the pressure plate 14 and a lower rib 11 b 3 for the lower portion 10 B of the foundation beam 10.
And arranged lower beam main reinforcement 11a 2 of the footing beams 10, and Da設concrete on the discarded concrete 13 to form a pressure plate 14, and to form a lower 10B of the foundation beams. Lower rib 1
As 1b 3, for example, using a shape shown in FIG. 15. As shown in FIGS. 11 and 13, the upper longitudinal ribs 11b 1 on the upper part 10A of the foundation beam 10 above the pressure plate 14.
The lower end, arranged middle vertical stirrups 11b 4 between the upper portion of the lower stirrups 11b 3 for the bottom 10B of the foundation beam, the upper Tateabarasuji 1 the upper end
Pressed against the lower end of 1b 1, to splicing together the bottom to top of the lower stirrups 11b 3. Then, placing the mold 15 outside the middle longitudinal stirrups 11b 4 and the like with a slide crane SC. Concrete is poured into the formwork 15 to construct the middle part 10C of the foundation beam 10. Since the lower side of the upper part 10A of the foundation beam 10 is an inclined surface 10Aa, the inside of the formwork 15 can be easily filled with concrete, and the middle part 10 of the foundation beam 10 can be filled.
C can be constructed integrally with the upper part 10A and lower part 10B of the foundation beam 10. As Chutateabarasuji 11b 4, for example, using a shape shown in FIG. 15. As shown in FIG. 12, the form 15 and the like are removed using the slide crane SC,
A precast concrete floor plate 16 is placed above the space surrounded by the foundation beams 10. As shown in FIGS. 12 and 14, reinforcing bars 17 are arranged in a grid on the floor plate 16 and the foundation beam 10, and a part of the reinforcing bar 17 is connected to the exposed portion of the reinforcing bar 11 d embedded in the foundation beam 10. I do. Then, as shown in FIG. 13, concrete is cast on the floor plate 16 and the foundation beams 10, and a floor 18 of the second basement floor (that is, the lowest floor of the basement frame) is constructed above the foundation beams 10. . The floor 18 includes a cast-in-place concrete floor and a precast concrete floor plate 16. In addition, floor 1
8 may be constructed using veneer formwork, deck plates, etc., as before. In the above-described embodiment, for simplicity, an example in which an underground skeleton is constructed on the second basement floor has been described.

【0009】[0009]

【発明の効果】この発明の地下躯体の構築法は、特許請
求の範囲に記載した構成を備えることにより、次の
(イ)及び(ロ)の効果を奏する。 (イ)請求項1記載の地下躯体の構築法は、基礎梁の上
部を構築してから、基礎梁の上部より下方の地盤を掘削
して床付けし、床付けした地盤上に耐圧板及び基礎梁の
上部以外の部分を構築し、その後に基礎梁上に地下躯体
の最下階の床を構築するから、施工が容易になり、基礎
梁の上部を切張り及び腹起しとして利用して、山止め壁
の変形を防止でき、基礎梁の上部により囲まれる空間を
作業用及び通路用の空間として兼用でき、資材の削減、
工期の短縮等に役立つ。 (ロ)請求項2記載のように、基礎梁の上部を構築し、
基礎梁の上部より下方の地盤を掘削して床付けし、床付
けした地盤上に基礎梁の下部と耐圧盤とを一緒に構築
し、基礎梁の中部を基礎梁の下部及び上部と一体に構築
し、基礎梁上に床を構築するようにすると、基礎梁の下
部及び中部の構築が容易になり、地下躯体の耐圧盤、基
礎梁、床等を安全に施工性よく構築できる。
According to the method for constructing an underground skeleton of the present invention, the following effects (a) and (b) can be obtained by providing the structure described in the claims. (B) The method of constructing an underground skeleton according to claim 1 comprises constructing an upper portion of a foundation beam, digging a floor below the upper portion of the foundation beam, laying the ground, and placing a pressure plate and a pressure plate on the laid floor. Since the part other than the upper part of the foundation beam is constructed, and then the floor of the lowest floor of the underground skeleton is constructed on the foundation beam, the construction is easy, and the upper part of the foundation beam is used as a cut and a bulge. Therefore, deformation of the retaining wall can be prevented, and the space surrounded by the upper part of the foundation beam can be used as both work space and passage space.
Useful for shortening the construction period. (B) As described in claim 2, the upper part of the foundation beam is constructed,
Excavate the ground below the upper part of the foundation beam and attach it to the floor, build the lower part of the foundation beam and the pressure plate together on the ground with the floor, and integrate the middle part of the foundation beam with the lower part and upper part of the foundation beam. If it is constructed and the floor is constructed on the foundation beam, the construction of the lower and middle portions of the foundation beam becomes easy, and the pressure-resistant board, foundation beam, floor, etc. of the underground skeleton can be constructed safely and with good workability.

【図面の簡単な説明】[Brief description of the drawings]

【図1】実施例の上部躯体の1階の床及びそれを支持す
る梁等の縦断面図
FIG. 1 is a vertical cross-sectional view of a floor on the first floor of an upper frame of an embodiment and beams and the like supporting the floor.

【図2】実施例の地下躯体の1階の床及びそれを支持す
る梁等の縦断面図
FIG. 2 is a longitudinal sectional view of a floor on the first floor of an underground skeleton of the embodiment and beams and the like supporting the floor.

【図3】実施例の地下躯体の2階の室空間の掘削中の状
態等の縦断面図
FIG. 3 is a vertical cross-sectional view of a state in which the room space on the second floor of the underground skeleton of the embodiment is being excavated.

【図4】実施例の基礎梁の上部を形成するための凹部等
を示す縦断面図
FIG. 4 is a longitudinal sectional view showing a concave portion and the like for forming an upper portion of a foundation beam according to the embodiment.

【図5】実施例の基礎梁の上部を形成するための型枠等
を示す縦断面図
FIG. 5 is a longitudinal sectional view showing a formwork and the like for forming the upper part of the foundation beam of the embodiment.

【図6】実施例の基礎梁の上部で囲まれる地盤を掘削し
た状態等を示す縦断面図
FIG. 6 is a longitudinal sectional view showing a state where the ground surrounded by the upper part of the foundation beam of the embodiment is excavated.

【図7】実施例の基礎梁の上部及びそれらで囲まれる地
盤等を示す平面図
FIG. 7 is a plan view showing an upper part of a foundation beam of the embodiment and a ground surrounded by the upper part.

【図8】実施例の基礎梁の上部の下側の地盤の掘削中の
状態等を示す縦断面図
FIG. 8 is a vertical cross-sectional view showing a state during excavation of the ground under the upper part of the foundation beam of the embodiment.

【図9】実施例の基礎梁の上部の下側に形成した捨てコ
ンクリート等を示す縦断面図
FIG. 9 is a longitudinal sectional view showing a discarded concrete and the like formed on the lower side of the upper part of the foundation beam of the embodiment.

【図10】実施例の捨てコンクリート上に耐圧盤及び基
礎梁の下部を形成している状態の縦断面図
FIG. 10 is a longitudinal sectional view showing a state in which a pressure plate and a lower portion of a foundation beam are formed on the discarded concrete of the embodiment.

【図11】実施例の基礎梁の中部を形成している状態等
を示す縦断面図
FIG. 11 is a longitudinal sectional view showing a state in which the middle part of the foundation beam of the embodiment is formed, and the like.

【図12】実施例の基礎梁の上側に床板を配置した状態
等の縦断面図
FIG. 12 is a longitudinal sectional view of a state in which a floor plate is arranged above a foundation beam according to the embodiment;

【図13】実施例の床板等の上に鉄筋を配しコンクリー
トを打設している状態等を示す縦断面図
FIG. 13 is a longitudinal sectional view showing a state in which a reinforcing bar is arranged on a floor plate or the like of the embodiment and concrete is being poured.

【図14】実施例の基礎梁、耐圧盤及び地下2階の床の
配筋状態を示す縦断面図
FIG. 14 is a longitudinal cross-sectional view showing a reinforcing beam arrangement state of a foundation beam, a pressure plate, and a floor on the second basement floor in the example.

【図15】実施例の基礎梁の肋筋となる補助肋筋、上縦
肋筋、上横肋筋、下肋筋及び中縦肋筋を分けて示す正面
FIG. 15 is a front view showing the auxiliary ribs, upper vertical ribs, upper horizontal ribs, lower ribs, and middle vertical ribs separately serving as the ribs of the foundation beam of the embodiment.

【符号の説明】[Explanation of symbols]

10 地下躯体 1 山止め壁 2 基礎台柱 3 構真柱 3a 下方部分 4a 上部躯体の1階の床を支持する梁 4b 上部躯体の1階の床 5a 地下躯体の1階の床を支持する梁 5b 地下躯体の1階の床 6 凹部 7 梁底型枠 8 レベリングコンクリート 9 側型枠 10 基礎梁 10A 基礎梁の上部 10B 基礎梁の下部 10C 基礎梁の中部 11a1 上梁主筋 11a2 下梁主筋 11b1 上縦肋筋 11b2 上横肋筋、 11b3 下肋筋14 11b4 中縦肋筋、 11c 補助肋筋 11d 12 型枠 13 捨てコンクリート 14 耐圧盤 14a 鉄筋 15 型枠 16 床板 17a 鉄筋 18 地下躯体の2階の床 G 地盤 SC スライドクレーンDESCRIPTION OF REFERENCE NUMERALS 10 basement frame 1 mountain retaining wall 2 base column 3 straight pillar 3a lower part 4a beam supporting floor of first floor of upper frame 4b floor of first floor of upper frame 5a beam supporting first floor of basement frame 5b Floor of the first floor of the underground building 6 Recessed part 7 Beam bottom formwork 8 Leveling concrete 9 Side formwork 10 Foundation beam 10A Upper part of foundation beam 10B Lower part of foundation beam 10C Middle part of foundation beam 11a 1 Upper beam main reinforcement 11a 2 Lower beam main reinforcement 11b 1 Upper longitudinal ribs 11b 2 Upper horizontal ribs, 11b 3 Lower ribs 14 11b 4 Middle longitudinal ribs, 11c Auxiliary ribs 11d 12 Formwork 13 Discarded concrete 14 Pressure resistant board 14a Reinforcement 15 Formwork 16 Floor plate 17a Steel 18 Underground Floor on the second floor of the building G Ground SC Slide crane

フロントページの続き (72)発明者 恒見 良隆 東京都中央区銀座八丁目21番1号 株式 会社竹中工務店 東京本店内 (72)発明者 木村 哲雄 東京都中央区銀座八丁目21番1号 株式 会社竹中工務店 東京本店内 (72)発明者 林 茂史 東京都中央区銀座八丁目21番1号 株式 会社竹中工務店 東京本店内 (56)参考文献 特開 平4−319121(JP,A) 特開 平7−71048(JP,A) 特開 平6−173283(JP,A) (58)調査した分野(Int.Cl.7,DB名) E02D 29/045 - 29/055 Continued on the front page (72) Inventor Yoshitaka Tsune 8-21-1, Ginza, Chuo-ku, Tokyo, Japan Inside the Takenaka Corporation Tokyo Main Store (72) Inventor Tetsuo Kimura 8-2-1-1, Ginza, Chuo-ku, Tokyo, Japan Takenaka Corporation Tokyo Main Store (72) Inventor Shigeshi Hayashi 8-21-1, Ginza, Chuo-ku, Tokyo Stock Company Takenaka Corporation Tokyo Main Store (56) References JP-A-4-319121 (JP, A) JP-A-7-71048 (JP, A) JP-A-6-173283 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) E02D 29/045-29/055

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】地下躯体の柱形成位置の深部に基礎台柱を
構築し、この基礎台柱の芯に鉄骨造、鉄骨鉄筋コンクリ
ート造又は鉄筋コンクリート造の構真柱を建て込み、地
下躯体の形成箇所の地盤を順次掘削して、地下躯体の上
方の梁及び床から下方の梁及び床へと逆打ちにより順次
構築する地下躯体の建築法において、基礎梁の上部を構
築し、基礎梁の上部より下方の地盤を掘削して床付け
し、床付けした地盤上に耐圧板及び基礎梁の上部以外の
部分を構築し、基礎梁上に床を構築することを特徴とす
る地下躯体の構築法。
A foundation pillar is constructed deep in a column formation position of an underground skeleton, and a steel frame, a steel reinforced concrete structure or a reinforced concrete structure is erected at the core of the foundation pillar, and a ground at a location where the underground skeleton is formed. In the underground building construction method of sequentially excavating and constructing the beam and floor above the underground skeleton sequentially from the upper beam and floor to the lower beam and floor, the upper part of the foundation beam is constructed, A method for constructing an underground skeleton, comprising digging the ground, laying the floor, constructing a portion other than the upper portion of the pressure plate and the foundation beam on the laid floor, and constructing the floor on the foundation beam.
【請求項2】地下躯体の柱形成位置の深部に基礎台柱を
建築し、この基礎台柱の芯に鉄骨造、鉄骨鉄筋コンクリ
ート造又は鉄筋コンクリート造の構真柱を建て込み、地
下躯体の形成箇所の地盤を順次掘削して、地下躯体の上
方の梁及び床から下方の梁及び床へと逆打ちにより順次
構築する地下躯体の建築法において、基礎梁の上部を構
築し、基礎梁の上部より下方の地盤を掘削して床付け
し、床付けした地盤上に基礎梁の下部と耐圧盤とを一緒
に構築し、基礎梁の中部を基礎梁の下部及び上部と一体
に構築し、基礎梁上に床を構築することを特徴とする地
下躯体の構築法。
2. A base pillar is built deep in a column forming position of an underground skeleton, and a steel frame, a steel reinforced concrete structure, or a reinforced concrete structure is erected at the core of the base pedestal. In the underground building construction method of sequentially excavating and constructing the beam and floor above the underground skeleton sequentially from the upper beam and floor to the lower beam and floor, the upper part of the foundation beam is constructed, Excavate the ground, attach it to the floor, build the lower part of the foundation beam and the pressure plate together on the ground with the floor, build the middle part of the foundation beam integrally with the lower part and upper part of the foundation beam, and place it on the foundation beam A method of constructing an underground skeleton, characterized by constructing a floor.
JP5305805A 1993-11-11 1993-11-11 How to build underground structures Expired - Fee Related JP3057466B2 (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5305805A JP3057466B2 (en) 1993-11-11 1993-11-11 How to build underground structures

Publications (2)

Publication Number Publication Date
JPH07138972A JPH07138972A (en) 1995-05-30
JP3057466B2 true JP3057466B2 (en) 2000-06-26

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ID=17949582

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Country Status (1)

Country Link
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* Cited by examiner, † Cited by third party
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JP5579635B2 (en) * 2011-02-04 2014-08-27 大成建設株式会社 Underground structure and construction method of underground structure
JP5718196B2 (en) * 2011-09-09 2015-05-13 株式会社竹中工務店 Underground structure construction method
CN102777065A (en) * 2012-08-13 2012-11-14 杭州南联地基基础工程有限公司 Reverse building method for lifting-type bucket-shaped underground garage
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Also Published As

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