KR100957717B1 - Steel box beam's fixing anchor of pier - Google Patents

Steel box beam's fixing anchor of pier Download PDF

Info

Publication number
KR100957717B1
KR100957717B1 KR1020090081593A KR20090081593A KR100957717B1 KR 100957717 B1 KR100957717 B1 KR 100957717B1 KR 1020090081593 A KR1020090081593 A KR 1020090081593A KR 20090081593 A KR20090081593 A KR 20090081593A KR 100957717 B1 KR100957717 B1 KR 100957717B1
Authority
KR
South Korea
Prior art keywords
steel box
pier
anchor
box beam
rod
Prior art date
Application number
KR1020090081593A
Other languages
Korean (ko)
Inventor
김혜숙
최동천
Original Assignee
산이건설 주식회사
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 산이건설 주식회사 filed Critical 산이건설 주식회사
Priority to KR1020090081593A priority Critical patent/KR100957717B1/en
Application granted granted Critical
Publication of KR100957717B1 publication Critical patent/KR100957717B1/en

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/04Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

PURPOSE: A fixing anchor of a steel box beam for a pier is provided to improve the stability of a pier structure using the anchor even if the pier structure is geometric. CONSTITUTION: A fixing anchor(A) of a steel box beam for a pier is composed as follows. The fixing anchor is embedded in the top of a pier to be crossed to an anchor unit(10). The anchor unit is coupled to the bottoms of rods(12) in which male screws(121) are formed. The rods are exposed toward inside a steel box beam(50) through a through hole(501) of the steel box beam.

Description

교각용 강박스보의 고정앵커{Steel box beam's fixing anchor of pier}Steel box beam's fixing anchor of pier}

본 발명은 교각용 강박스보의 고정앵커에 관한 것으로서, 특히 횡단경사, 종단경사, 편경사, 곡선반경 등 기하학적인 강박스보로 이루어지는 강상자형교, 충전형 강상자형교, 강성차등형 강상자형교, 충전형가교 등 강재교량형태를 갖는 교량 구조물의 다양한 형태에 따른 적합한 앵커의 고정력을 얻을 수 있도록 하고, 이를 통해 교량 구조물의 안전성을 더 높일 수 있도록 한 것이다.The present invention relates to a fixed anchor of a steel box beam for piers, in particular, a steel box beam bridge, a filled steel box bridge, a rigid differential steel box bridge made of a geometric steel box beam, such as cross slope, longitudinal slope, superelevation slope, curved radius To obtain the anchoring force of the appropriate anchor according to the various forms of the bridge structure having the steel bridge form, such as filled bridge, and to increase the safety of the bridge structure.

일반적으로 도로, 철로, 수로, 파이프라인 등이 하천, 호소, 해협 이나 다른 교통로 위를 건널 수 있도록 하기 위한 방안으로 교량이 시공되어 있다.In general, bridges are constructed to allow roads, railroads, waterways and pipelines to cross rivers, lakes, straits and other traffic routes.

교량은 자동차 교통을 위하여 가설된 도로교, 궤도가 시공된 철도전용의 철로교 및 수도, 관개용수, 발전용수 등이 지나는 수로교, 하천, 해협, 호소, 습지 등을 넘도록 가설한 하천교, 도시내고속도로, 입체교차로에 적용된 고가교 등 그 용도에 따라 시공되어있다.The bridge is a road bridge constructed for automobile traffic, a railroad bridge dedicated to railroads, and a waterway bridge through which water, irrigation water, power generation water, rivers, straits, lakes, wetlands, etc. It is constructed according to its use, such as overpasses applied to three-dimensional intersections.

도1은 종래 기술에 따른 앵커의 사용상태를 도시한 것으로 하중을 바닥에 전 달하며 고정시키는 기초부(70)와, 교대(711), 교각(712) 등 상부구조를 지지하는 하부구조부(71) 및 직접 하중을 지지하며 통로를 형성하는 강박스보 등으로 이루어진 상부구조부(72)로 구성되어 있다.1 is a view showing a state of use of the anchor according to the prior art, the base portion 70 for transferring and fixing the load to the floor, and the substructure 71 for supporting the superstructure, such as alternating 711, pier 712, etc. And an upper structure portion 72 formed of a steel box beam for directly supporting a load and forming a passage.

상기 하부구조부(71)를 구성하는 교대(712)는 상부에 안착턱(712-1)을 구비하여 상부구조부(72)인 강박스보(721)가 교좌부(73)에 의하여 지지됨과 동시에 배면으로부터 작용하는 토압에 충분히 견딜 수 있게 구성되어지고, 상기 교각(711)은 교좌부(73)에 의하여 지지된 강박스보(721)로 이루어진 상부구조부(72)의 중간 부분이 안정되게 받쳐질 수 있게 구성되어 있다.The shift 712 constituting the lower structure portion 71 has a seating jaw 712-1 at the top thereof so that the steel box beam 721, which is the upper structure portion 72, is supported by the seat portion 73 and at the same time. It is configured to sufficiently endure the earth pressure acting from, and the pier 711 can be stably supported by the middle portion of the upper structure portion 72 consisting of a steel box beam 721 supported by the bridge portion 73. It is configured to be.

상기 교각(711)에 의하여 지지되는 강박스보(721)의 내부에는 마감패널(722)로 구획된 공간부(723)가 제공되어지도록 하고, 교각(711)의 상부로 인서트되게 매립되어진 앙카볼트(724)가 강박스보(721)의 하부를 관통하여 공간부(723)로 노출되어지도록 하고, 노출된 부분에 너트(725)를 조여 교각(711) 상부에 강박스보(721)가 고정될 수 있게 구성되어 있다. 이때, 앙카볼트(724)에 의하여 고정된 강박스보(721)와 교각(711) 사이에는 무수축 몰타르 또는 무수축 콘크리트(726)가 주입 및 경화되어 공극이 발생되는 것을 방지할 수 있게 구성되어지고, 너트(725)가 조여진 공간부(723)에는 충전재(C)가 충전 경화되어지도록 한다.An anchor bolt embedded in the steel box beam 721 supported by the pier 711 is provided with a space portion 723 partitioned by a closing panel 722 and inserted into the upper portion of the pier 711. 724 is penetrated through the lower portion of the steel box 721 to be exposed to the space portion 723, and tightening the nut 725 to the exposed portion, the steel box 721 is fixed to the top of the piers 711. It is configured to be. At this time, between the steel box beam 721 and the pier 711 fixed by the anchor bolt 724 is configured to prevent the generation of voids by the injection and hardening of the non-contraction mortar or non-concrete concrete 726 The filler C is filled and cured in the space 723 in which the nut 725 is tightened.

이러한 직선형태를 갖는 낱개로 이루어진 다수개의 앙카볼트(724)에 의하여 강박스보(721)가 교각(711)의 상부에 결합되어질 경우, 직선 구간에서는 앙카볼트(724)의 수직력에 의하여 구조적인 안정성이 확보되어지게 된다.When the steel box beam 721 is coupled to the upper portion of the piers 711 by a plurality of anchor bolts 724 each having a linear shape, structural stability is achieved by the vertical force of the anchor bolts 724 in the straight section. Is secured.

그러나 직선 구간 이외에 곡선과 직선이 연결되어지는 교량, 경사교량, 횡단 경사를 갖는 교량, 종단경사를 갖는 교량, 편경사를 갖는 교량 및 곡선반경을 갖는 교량 등에서는 상부 구조의 형태와 중량에 따라 관성이 작용할 경우, 앵카볼트(724)의 수평력과 앙카력이 작용하지 않고, 불규칙한 수평력과 앙카력이 발생되어지게 됨에 따라 구조적인 안정성이 확보되지 못하는 문제점이 있었다.However, in addition to the straight section, bridges with curved and straight lines, inclined bridges, bridges with cross slopes, bridges with longitudinal slopes, bridges with superelevation slopes, and bridges with curved radiuses have inertia depending on the shape and weight of the superstructure. When acting, the horizontal force and anchor force of the anchor bolt 724 do not work, and as the irregular horizontal force and anchor force are generated, there is a problem that structural stability cannot be secured.

본 발명은 교각의 상부로 안착되어지는 강상자형교, 충전형 강상자형교, 강성차등형 강상자형교, 충전형가교 등 강재교량형태를 갖는 강박스보가 교각의 상부 내측으로 교차되어지게 매립된 단위앵커체를 구성하는 연결매립부의 양측에 결합된 로드가 교각의 상부로 노출되어지게 매립되어지고, 교각의 상부로 안착되어지는 강박스보가 로드에 나사결합되어지는 너트에 의하여 결합되어지도록 한 것이다.According to the present invention, a steel box beam having a steel bridge shape such as a steel box bridge, a filled steel box bridge, a rigid differential steel box bridge, and a filled bridge that is seated at an upper portion of a pier is embedded to be intersected with the upper inside of the pier. Rods coupled to both sides of the connection buried portion constituting the anchor body are embedded to be exposed to the top of the piers, and the steel box beam to be seated to the top of the piers is coupled by a nut screwed to the rod.

본 발명은 교각의 상부에 고정앵커의 상부가 노출되어지게 매립되어지고, 상기 노출된 고정앵커의 상부가 강박스보에 너트 결합되어지게 구성된 교각용 강박스보의 고정앵커(A)에 있어서, 상기 고정앵커(A)는 교각의 상부 내측에 단위앵커체(10)가 교차되게 매립되어지되, 상기 단위앵커체(10)는 연결매립부(11)의 양측 단부에 숫나사부(121)가 형성된 로드(12)의 하부가 결합되어지고, 상기 로드(12)가 강박스보(50)의 하부에 형성된 관통홀(501)을 통하여 강박스보(50)의 내부로 관통 되게 노출되어지고, 상기 강박스보(50)의 내부로 노출된 로드(12)가 타설되어지는 콘크리트에 의하여 일부가 지지되어지게 매립되어지고, 상기 콘크리트의 상부로 노출된 로드(12)의 숫나사부(121)에 와셔(13)가 끼워져 너트(14)로 조여짐을 특징으로 한다.The present invention is buried in the upper portion of the fixed anchor is exposed to the upper part of the pier, and the fixed anchor (A) of the steel box beam for piers configured to be nut-coupled to the steel box beam, the exposed top of the anchor anchor, The fixed anchor (A) is buried so that the unit anchor body 10 intersects the upper inner side of the pier, the unit anchor body 10 is a male screw portion 121 is formed at both ends of the connection buried portion (11) The lower portion of the rod 12 is coupled, the rod 12 is exposed to penetrate into the inside of the steel box 50 through the through hole 501 formed in the lower box 50, A part of the rod 12 exposed to the inside of the steel box 50 is embedded to be supported by concrete to be poured, and a washer on the male screw part 121 of the rod 12 exposed to the upper portion of the concrete. (13) is fitted and tightened with a nut (14).

본 발명은 교각의 상부로 안착되어지는 강박스보가 교각의 상부 내측으로 교차되어지게 매립된 단위앵커체를 구성하는 연결매립부의 양측에 결합된 로드가 교각의 상부로 노출되어지게 매립되어지고, 교각의 상부로 안착되어지는 강박스보가 로드에 나사결합되어지는 너트에 의하여 결합되어지도록 함으로써, 횡단경사, 종단경사, 편경사, 곡선반경 등 기하학적인 교량 구조물의 다양한 형태에 따른 적합한 앵커의 고정력을 얻을 수 있는 효과를 얻을 수 있다.According to the present invention, a rod coupled to both sides of a connection buried portion constituting a unit anchor body in which a steel box beam to be seated to an upper portion of a pier is intersected inside an upper portion of a pier is embedded to be exposed to an upper portion of the pier. The steel box beam to be seated on the upper part of the rod is coupled by a nut screwed to the rod, so that a suitable anchoring force can be obtained according to various types of geometric bridge structures such as transverse slope, longitudinal slope, superelevation slope, and curved radius. You can get the effect.

또한, 이를 통해 강박스보로 이루어지는 강상자형교, 충전형 강상자형교, 강성차등형 강상자형교, 충전형가교 등 강재교량형태를 갖는 교량 구조물의 안전성을 더 높일 수 있는 효과를 더 얻을 수 있다.In addition, it is possible to further increase the safety of the bridge structure having a steel bridge form, such as steel box bridge, filled steel box bridge, rigid differential steel box bridge, filled bridge bridge made of steel box beam. .

본 발명의 실시예를 첨부 도면을 참조하여 설명하면 다음과 같다.An embodiment of the present invention will be described with reference to the accompanying drawings.

도2는 본 발명에 따른 고정앵커의 사용상태를 도시한 종단면도이고, 도3은 본 발명에 따른 고정앵커의 분해 사시도이다.Figure 2 is a longitudinal sectional view showing a state of use of the fixed anchor according to the present invention, Figure 3 is an exploded perspective view of the fixed anchor according to the present invention.

본 발명에 따른 교각용 강박스보의 고정앵커(A)는 교각(40)의 상부에 고정앵커(A)의 상부가 노출되어지게 하부가 매립되어지고, 상기 노출된 고정앵커(A)의 상부가 강박스보(50)를 관통하여 너트(14)로 결합되어 다양한 방향 즉, 횡단경사, 종단경사, 편경사, 곡선반경 등 기하학적인 교량 구조물의 다양한 형태에 따른 적합한 앵커의 고정력을 얻을 수 있게 구성되어 있다.The fixed anchor A of the steel box beam for piers according to the present invention is buried in the lower portion so that the upper portion of the fixed anchor A is exposed to the upper portion of the pier 40, the upper portion of the exposed fixed anchor A It is coupled to the nut 14 by penetrating through the rigid box beam 50 and configured to obtain a suitable anchoring force according to various shapes of geometric bridge structures such as cross slope, longitudinal slope, superelevation slope, and curved radius. It is.

여기에서, 상기 고정앵커(A)는 교각(40)의 상부 내측으로 단위앵커체(10)가 교차되어지게 매립되어지도록 구성되어 있다.Here, the fixed anchor (A) is configured to be embedded so that the unit anchor body 10 crosses the upper inside of the pier 40.

상기 단위앵커체(10)는 교각(40)에 매립되어 후술하는 로드(12)가 충분히 지지될 수 있도록 한 것으로 연결매립부(11)의 양측 단부에 숫나사부(121)가 형성된 로드(12)의 하부가 결합되어있다.The unit anchor body 10 is embedded in the pier 40 so that the rod 12, which will be described later, is sufficiently supported, and the rod 12 having male threads 121 formed at both ends of the connection embedding portion 11. The lower part of is combined.

상기 로드(12)는 강박스보(50)의 하부에 형성된 관통홀(501)을 통하여 강박스보(50)의 내부로 노출되게 삽입되도록 구성되어 있다.The rod 12 is configured to be inserted to be exposed to the inside of the steel box 50 through the through hole 501 formed in the lower box 50.

상기 연결매립부(11)는 단위고리(111a)(111a')가 길이방향으로 연속되게 연결되어진 고리체인(111)으로 이루어져 단위면적을 극대화시켜 콘크리트와의 부착응력을 높일 수 있게 구성되어있다.The connection buried portion 11 is composed of a ring chain 111 is connected to the unit ring (111a) (111a ') is continuous in the longitudinal direction is configured to maximize the unit area to increase the adhesion stress with the concrete.

상기 고리체인(111)의 양측에는 각각 로드(12)의 하부가 용접 이음되어 로드(12)를 통해 작용되어지는 하중이 고리체인(111)으로 충분하게 전달되어질 수 있게 구성되어 있다.The lower side of the rod 12 is welded at both sides of the ring chain 111 so that the load acting through the rod 12 can be sufficiently transmitted to the ring chain 111.

상기 강박스보(50)의 내부로 노출된 로드(12)는 타설되어지는 콘크리트에 의하여 상단부를 제외한 하측의 일부가 매립되어 지지되고, 상기 콘크리트의 상부로 노출된 로드(12)의 숫나사부(121)에 와셔(13)가 끼워져 너트(14)로 조여질 수 있게 구성되어 있다.The rod 12 exposed to the inside of the steel box 50 is buried and supported by a portion of the lower side except the upper portion by the concrete to be poured, and the male screw portion of the rod 12 exposed to the upper portion of the concrete ( The washer 13 is fitted in the 121, it is configured to be tightened by the nut (14).

이러한 교각용 강박스보의 고정앵커는 먼저, 교각(40)의 상단부가 시공되어지는 과정중에 교각(40)의 상단부측으로 단위앵커체(10)가 교차되어지는 형태를 갖도록 로드(12)가 고정되어지도록 한다.The fixed anchor of the steel box beam for the pier, first, the rod 12 is fixed to have a form in which the unit anchor body 10 is crossed to the upper end side of the pier 40 during the process of the upper end of the pier 40 is constructed. To be done.

다음, 로드(12)가 고정되어진 상태에서 콘크리트를 타설하여 경화되어지도록 하는 것으로 고정앵커(A)의 하부를 구성하는 연결매립부(11)가 매립되어지게 된다.Next, in order to harden by pouring concrete in a state in which the rod 12 is fixed, the connection buried portion 11 constituting the lower portion of the fixed anchor A is embedded.

다음, 교각(40)의 상부로 노출된 로드(12)가 강박스보(50)의 하부에 형성된 관통홀(501)을 통해 삽입되어지게 강박스보(50)를 교각(50)의 상부에 안착시킨 후 강박스보(50)의 내부로 노출된 로드(12)의 상단부만 매립되지 않도록 콘크리트를 타설하고, 타설된 콘크리트가 경화되어지도록 한다.Next, the steel box 50 to the upper portion of the pier 50 so that the rod 12 exposed to the upper portion of the pier 40 is inserted through the through hole 501 formed in the lower portion of the steel box beam 50. After seating, the concrete is poured so that only the upper end of the rod 12 exposed to the inside of the steel box 50 is embedded, and the poured concrete is hardened.

다음, 경화되어진 콘크리트의 상부로 노출된 로드(12)에 와셔(13)가 끼워지도록 한 후 숫나사부(121)에 너트(14)를 결합시켜 조이는 것으로 교각(40)의 상부에 강박스보(50)가 고정앵커(A)에 의하여 도7a 내지 도7c에 도시된 바와 같은 횡단경사, 종단경사, 편경사, 곡선반경 등 기하학적인 교량 구조물이 안정되게 시공되어지게 된다.Next, the washer 13 is fitted to the rod 12 exposed to the upper portion of the hardened concrete, and then the nut 14 is coupled to the male screw portion 121 to tighten the steel box to the upper part of the piers 40. 50), the fixed anchor A allows a stable construction of geometric bridge structures such as cross slope, longitudinal slope, superelevation slope, and curved radius as shown in FIGS. 7A to 7C.

이 같은 상태에서 횡단경사, 종단경사, 편경사, 곡선반경 등 기하학적인 교량 구조물의 자중과 함께 주행중인 차량으로부터 반복 작용하는 원심력, 가속력, 제동력, 풍하중, 지진하중, 불균등 침하하중, 시공제작 및 활화중이 작용할 경우, 로드(12)의 하부가 연결매립부(11)에 의하여 교각(40)의 상부 내측에 깊숙히 매립 되어져 있음으로써, 피로한도를 막아 안정성이 낮아지는 것을 방지할 수 있게 된다.In such a state, the centrifugal force, acceleration force, braking force, wind load, earthquake load, uneven sinking load, construction manufacturing and active load, which are repeatedly acting from the running vehicle together with the self-weight of geometric bridge structures such as transverse slope, longitudinal slope, superelevation slope and curved radius In this case, since the lower portion of the rod 12 is embedded deep inside the upper portion of the pier 40 by the connection buried portion 11, it is possible to prevent the fatigue limit to lower the stability.

한편, 본 발명에서는 단위앵커체(10)를 구성하는 연결매립부(11)가 단위고리(111a) (111a')에 의하여 연결되어진 고리체인(111)으로 이루어지도록 하였으나, 이러한 형태 이외에 도4에 도시된 바와 같이, 연결매립부(11)가 다수개의 강선(소선)이 꼬여진 와이어 로프(111') 또는 도5에 도시된 바와 같이, 피에스강선(111') 중 어느 하나로 구성되어지도록 할 수 있다.Meanwhile, in the present invention, the connection buried portion 11 constituting the unit anchor body 10 is made of a ring chain 111 connected by unit rings 111a and 111a '. As shown, the connection buried portion 11 may be composed of either a wire rope 111 'twisted with a plurality of steel wires (wires), or as shown in Figure 5, PS steel wire 111'. have.

또한, 본 발명에서는 단위앵커체(10)를 구성하는 연결매립부(11)가 단위고리(111a)(111a')에 의하여 연결되어진 고리체인(111)으로 이루어지도록 하였으나, 이러한 형태 이외에 도6에 도시된 바와 같이, 연결매립부(11)는 로드(12')의 중간이 하부로 절곡된 V형태를 갖도록 형성되어지게 할 수 있다.In addition, in the present invention, the connection buried portion 11 constituting the unit anchor body 10 is made of a ring chain 111 connected by unit rings 111a and 111a ', but in addition to this embodiment, FIG. As shown, the connection buried portion 11 may be formed so that the middle of the rod 12 'has a V shape bent downward.

이때, 로드(12')의 중간이 V형태로 절곡되어진 형태를 가질 경우, 연결매립부(11)의 절곡된 방향에 의하여 경사진 앵커가 시공되어지게 됨에 따라 측방향 또는 경사진 방향으로부터 작용하는 하중을 충분하게 지지할 수 있게 된다.At this time, when the middle of the rod 12 'has a shape bent in a V shape, as the inclined anchor is constructed by the bent direction of the connection buried portion 11 acts from the lateral or inclined direction The load can be sufficiently supported.

도1은 종래 기술에 따른 앵커의 사용상태를 도시한 사시도.1 is a perspective view showing a state of use of the anchor according to the prior art.

도2는 본 발명에 따른 고정앵커의 사용상태를 도시한 종단면도.Figure 2 is a longitudinal sectional view showing a state of use of the fixed anchor according to the present invention.

도3은 본 발명에 따른 고정앵커의 분해 사시도.3 is an exploded perspective view of the fixing anchor according to the present invention.

도4는 본 발명에 따른 고정앵커의 다른 실시예를 도시한 분해 사시도.Figure 4 is an exploded perspective view showing another embodiment of a fixed anchor according to the present invention.

도5는 본 발명에 따른 고정앵커의 또 다른 실시예를 도시한 분해 사시도.5 is an exploded perspective view showing another embodiment of a fixed anchor according to the present invention.

도6은 본 발명에 따른 고정앵커의 다른 실시예를 도시한 분해 사시도.6 is an exploded perspective view showing another embodiment of a fixed anchor according to the present invention.

도7a~7c는 본 발명에 따른 고정앵커의 실시예를 도시한 평면도.7a to 7c are plan views showing an embodiment of a fixed anchor according to the present invention.

<도면의 주요 부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

A:고정앵커 10:단위앵커체A: Fixed anchor 10: Unit anchor body

11:연결매립부 12:로드11: connection buried part 12: rod

13:와셔 14:너트13: Washer 14: Nut

50:강박스보 121:숫나사부50: strong box 121: male thread

501:관통홀501: through hole

Claims (4)

교각의 상부에 고정앵커의 상부가 노출되어지게 매립되어지고, 상기 노출된 고정앵커의 상부가 강박스보에 너트 결합되어지게 구성된 교각용 강박스보의 고정앵커(A)에 있어서,In the fixed anchor (A) of the steel box beam for piers configured to be embedded in the upper portion of the pier to expose the upper portion of the fixed anchor, the upper portion of the exposed fixed anchor is nut coupled to the steel box beam, 상기 고정앵커(A)는 교각의 상부 내측에 단위앵커체(10)가 교차되게 매립되어지되, 상기 단위앵커체(10)는 연결매립부(11)의 양측 단부에 숫나사부(121)가 형성된 로드(12)의 하부가 결합되어지고, 상기 로드(12)가 강박스보(50)의 하부에 형성된 관통홀(501)을 통하여 강박스보(50)의 내부로 관통되게 노출되어지고, 상기 강박스보(50)의 내부로 노출된 로드(12)가 타설되어지는 콘크리트에 의하여 일부가 지지되어지게 매립되어지고, 상기 콘크리트의 상부로 노출된 로드(12)의 숫나사부(121)에 와셔(13)가 끼워져 너트(14)로 조여지며,The fixed anchor (A) is buried so that the unit anchor body 10 intersects the upper inner side of the pier, the unit anchor body 10 is a male screw portion 121 is formed at both ends of the connection buried portion (11) The lower portion of the rod 12 is coupled, the rod 12 is exposed to penetrate the inside of the steel box 50 through the through hole 501 formed in the lower box 50, A part of the rod 12 exposed to the inside of the steel box 50 is embedded to be supported by concrete to be poured, and a washer on the male screw part 121 of the rod 12 exposed to the upper portion of the concrete. (13) is fitted and tightened with a nut (14), 상기 연결매립부(11)는 단위고리(111a)(111a')가 길이방향으로 연속되게 연결되어진 고리체인(111)으로 이루어지되, 상기 고리체인(111)의 양측에 각각 로드(12)의 하부가 용접 이음되어짐을 특징으로 하는 교각용 강박스보의 고정앵커.The connection buried portion 11 is composed of a ring chain 111 in which the unit rings 111a and 111a 'are continuously connected in the longitudinal direction, respectively, on the lower sides of the rods 12 on both sides of the ring chain 111. Fixed anchor of steel box beam for piers, characterized in that the welded joint. 삭제delete 삭제delete 삭제delete
KR1020090081593A 2009-08-31 2009-08-31 Steel box beam's fixing anchor of pier KR100957717B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090081593A KR100957717B1 (en) 2009-08-31 2009-08-31 Steel box beam's fixing anchor of pier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090081593A KR100957717B1 (en) 2009-08-31 2009-08-31 Steel box beam's fixing anchor of pier

Publications (1)

Publication Number Publication Date
KR100957717B1 true KR100957717B1 (en) 2010-05-12

Family

ID=42281685

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090081593A KR100957717B1 (en) 2009-08-31 2009-08-31 Steel box beam's fixing anchor of pier

Country Status (1)

Country Link
KR (1) KR100957717B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104831633A (en) * 2015-05-15 2015-08-12 中国五冶集团有限公司 Support structure for steel box beam erection
CN104878696A (en) * 2015-05-25 2015-09-02 中国五冶集团有限公司 Cantilever beam device used for installing steel box beam
CN109930469A (en) * 2019-03-27 2019-06-25 中铁第四勘察设计院集团有限公司 A kind of rigid structure cable-stayed bridge of steel box-girder Thin-Wall Piers suitable for straddle-type monorail
CN112064661A (en) * 2020-09-27 2020-12-11 浙江中天建筑产业化有限公司 Novel prefabricated accessory of overpass approach bridge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721104U (en) 1980-07-05 1982-02-03
JPH094054A (en) * 1995-06-23 1997-01-07 Kajima Corp Steel column base
JPH10252143A (en) * 1997-03-17 1998-09-22 Jdc Corp Steel framed column leg
KR100736774B1 (en) * 2006-05-30 2007-07-09 주식회사신화기공 Method for manufacturing of tie cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721104U (en) 1980-07-05 1982-02-03
JPH094054A (en) * 1995-06-23 1997-01-07 Kajima Corp Steel column base
JPH10252143A (en) * 1997-03-17 1998-09-22 Jdc Corp Steel framed column leg
KR100736774B1 (en) * 2006-05-30 2007-07-09 주식회사신화기공 Method for manufacturing of tie cable

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104831633A (en) * 2015-05-15 2015-08-12 中国五冶集团有限公司 Support structure for steel box beam erection
CN104831633B (en) * 2015-05-15 2016-06-08 中国五冶集团有限公司 Steel box beam erection supporting construction
CN104878696A (en) * 2015-05-25 2015-09-02 中国五冶集团有限公司 Cantilever beam device used for installing steel box beam
CN104878696B (en) * 2015-05-25 2016-06-08 中国五冶集团有限公司 A kind of outrigger device for installing steel box-girder
CN109930469A (en) * 2019-03-27 2019-06-25 中铁第四勘察设计院集团有限公司 A kind of rigid structure cable-stayed bridge of steel box-girder Thin-Wall Piers suitable for straddle-type monorail
CN109930469B (en) * 2019-03-27 2023-12-15 中铁第四勘察设计院集团有限公司 Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail
CN112064661A (en) * 2020-09-27 2020-12-11 浙江中天建筑产业化有限公司 Novel prefabricated accessory of overpass approach bridge

Similar Documents

Publication Publication Date Title
CN104790424B (en) The hardened system on generation power foundation of wind power ring basis and reinforcement means thereof
CN103382704B (en) Unbonded prestress of box girder or T-shaped girder, and steel-concrete combined reinforcement structure and construction method
KR20070087902A (en) Method for constructing steel and wood compounded bridge getting along with environment using steel-wood compound segment members manu factured by strongly connecting steel and wood
CN106869012B (en) Using the prefabricated thin-wall bent cap of prestressing with bond system
CN108867684A (en) Offshore wind turbine gravity caisson basis and its installation method
KR100957717B1 (en) Steel box beam&#39;s fixing anchor of pier
CN110820526A (en) Spatial four-cable-plane double-amplitude curved cable-stayed bridge for canyon river terrain and construction method
CN103046478B (en) Assembled plate girder bridge hinge joint reinforcing opposite-pulling device
CN111962533A (en) Energy dissipation type pile anchor structure in strong seismic region and construction method thereof
JP2008261137A (en) Rigid-frame bridge structure
CN105714819A (en) Novel prestressed anchor cable outer anchor head multiple protection device and fixing method thereof
CN210420745U (en) Overhanging and widening structure mountain road
JP2007002557A (en) Overhang road
KR101929161B1 (en) Method for Reparing Lateral Flow of Bridge Abutments
KR100957718B1 (en) Support fix structure for steel box bridge
CN208763050U (en) Offshore wind turbine gravity caisson basis
CN208167489U (en) A kind of anti-girder of Single column pier bridge topples device
KR101031180B1 (en) Infilled type steel box bridge holder
KR101086643B1 (en) Prestressed concrete girder with plural steel wires disposed at shear surface of tension port
CN109750567B (en) Road extension structure and road extension method
RU2608595C2 (en) Roads&#39; bench slope reinforcement method
CN206635638U (en) Using the prefabricated thin-wall bent cap of prestressing with bond system
CN110735394A (en) Cable tower structure and construction method thereof
KR20120100052A (en) Bridge leg correcting method using oil compressure jack and broken parts compensation structure
CN215211012U (en) Large-tonnage anchorage structure on steep side slope

Legal Events

Date Code Title Description
A201 Request for examination
A302 Request for accelerated examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
N231 Notification of change of applicant
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130506

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20140507

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20150506

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20160503

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20180508

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20190507

Year of fee payment: 10