KR102599181B1 - A expansion joint for bridge with excellent durability - Google Patents
A expansion joint for bridge with excellent durability Download PDFInfo
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- KR102599181B1 KR102599181B1 KR1020220054086A KR20220054086A KR102599181B1 KR 102599181 B1 KR102599181 B1 KR 102599181B1 KR 1020220054086 A KR1020220054086 A KR 1020220054086A KR 20220054086 A KR20220054086 A KR 20220054086A KR 102599181 B1 KR102599181 B1 KR 102599181B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- expansion plate
- parts
- insertion portion
- coupling agent
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims description 36
- 230000037431 insertion Effects 0.000 claims description 36
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 29
- -1 polyethylene Polymers 0.000 claims description 24
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- 239000005060 rubber Substances 0.000 claims description 20
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- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 10
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- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 9
- 125000003700 epoxy group Chemical group 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
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- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 2
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- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- CJAQSQCRHBLDGZ-UHFFFAOYSA-N 2-methyltridec-2-enoic acid Chemical compound CCCCCCCCCCC=C(C)C(O)=O CJAQSQCRHBLDGZ-UHFFFAOYSA-N 0.000 description 1
- DOYKFSOCSXVQAN-UHFFFAOYSA-N 3-[diethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CCO[Si](C)(OCC)CCCOC(=O)C(C)=C DOYKFSOCSXVQAN-UHFFFAOYSA-N 0.000 description 1
- LZMNXXQIQIHFGC-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C(C)=C LZMNXXQIQIHFGC-UHFFFAOYSA-N 0.000 description 1
- KBQVDAIIQCXKPI-UHFFFAOYSA-N 3-trimethoxysilylpropyl prop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C=C KBQVDAIIQCXKPI-UHFFFAOYSA-N 0.000 description 1
- FXTXRXXCMFFRTL-UHFFFAOYSA-N 4-ethyl-2-methylideneoctanoic acid Chemical compound CCCCC(CC)CC(=C)C(O)=O FXTXRXXCMFFRTL-UHFFFAOYSA-N 0.000 description 1
- GHMRLAGSBJPPDG-UHFFFAOYSA-N 5-ethyl-2-methylnon-2-enoic acid Chemical compound CCCCC(CC)CC=C(C)C(O)=O GHMRLAGSBJPPDG-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 150000001565 benzotriazoles Chemical class 0.000 description 1
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- ASGKDLGXPOIMTM-UHFFFAOYSA-N diethoxy-methyl-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](C)(OCC)OCC)CCC2OC21 ASGKDLGXPOIMTM-UHFFFAOYSA-N 0.000 description 1
- FUXUUPOAQMPKOK-UHFFFAOYSA-N diethoxy-methyl-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](C)(OCC)CCOCC1CO1 FUXUUPOAQMPKOK-UHFFFAOYSA-N 0.000 description 1
- PQOOHYQAWSVSJD-UHFFFAOYSA-N diethoxy-methyl-[3-(7-oxabicyclo[4.1.0]heptan-4-yl)propyl]silane Chemical compound C1C(CCC[Si](C)(OCC)OCC)CCC2OC21 PQOOHYQAWSVSJD-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- SLQTWNAJXFHMHM-UHFFFAOYSA-N dimethoxy-methyl-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](C)(OC)OC)CCC2OC21 SLQTWNAJXFHMHM-UHFFFAOYSA-N 0.000 description 1
- PWPGWRIGYKWLEV-UHFFFAOYSA-N dimethoxy-methyl-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](C)(OC)CCOCC1CO1 PWPGWRIGYKWLEV-UHFFFAOYSA-N 0.000 description 1
- RWHQSBVLPQVZPR-UHFFFAOYSA-N dimethoxy-methyl-[3-(7-oxabicyclo[4.1.0]heptan-4-yl)propyl]silane Chemical compound C1C(CCC[Si](C)(OC)OC)CCC2OC21 RWHQSBVLPQVZPR-UHFFFAOYSA-N 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003870 salicylic acids Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- UDUKMRHNZZLJRB-UHFFFAOYSA-N triethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OCC)(OCC)OCC)CCC2OC21 UDUKMRHNZZLJRB-UHFFFAOYSA-N 0.000 description 1
- RWJUTPORTOUFDY-UHFFFAOYSA-N triethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCOCC1CO1 RWJUTPORTOUFDY-UHFFFAOYSA-N 0.000 description 1
- NLKPPXKQMJDBFO-UHFFFAOYSA-N triethoxy-[3-(7-oxabicyclo[4.1.0]heptan-4-yl)propyl]silane Chemical compound C1C(CCC[Si](OCC)(OCC)OCC)CCC2OC21 NLKPPXKQMJDBFO-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- UZIAQVMNAXPCJQ-UHFFFAOYSA-N triethoxysilylmethyl 2-methylprop-2-enoate Chemical compound CCO[Si](OCC)(OCC)COC(=O)C(C)=C UZIAQVMNAXPCJQ-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- ZNXDCSVNCSSUNB-UHFFFAOYSA-N trimethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](OC)(OC)CCOCC1CO1 ZNXDCSVNCSSUNB-UHFFFAOYSA-N 0.000 description 1
- DBUFXGVMAMMWSD-UHFFFAOYSA-N trimethoxy-[3-(7-oxabicyclo[4.1.0]heptan-4-yl)propyl]silane Chemical compound C1C(CCC[Si](OC)(OC)OC)CCC2OC21 DBUFXGVMAMMWSD-UHFFFAOYSA-N 0.000 description 1
- UOKUUKOEIMCYAI-UHFFFAOYSA-N trimethoxysilylmethyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)COC(=O)C(C)=C UOKUUKOEIMCYAI-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
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- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
Abstract
본 발명은 내구성이 우수한 교량용 신축이음장치에 관한 것으로, 더욱 상세하게는 인장강도, 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 우수하여 교량의 변위를 효율적으로 수용할 수 있으며, 교체, 보수 및 관리가 간편한 내구성이 우수한 교량용 신축이음장치에 관한 것이다.
본 발명은 인장강도, 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 우수하여 교량의 변위를 효율적으로 수용할 수 있으며, 교체, 보수 및 관리가 간편한 내구성이 우수한 교량용 신축이음장치를 제공할 수 있다. The present invention relates to an expansion joint for a bridge with excellent durability. More specifically, it has excellent tensile strength, durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, and abrasion resistance, and can efficiently accommodate the displacement of the bridge. It relates to a highly durable bridge expansion joint that is easy to replace, repair, and manage.
The present invention is an expansion joint for bridges with excellent tensile strength, durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, abrasion resistance, etc., which can efficiently accommodate the displacement of the bridge, and is easy to replace, repair, and maintain. Devices can be provided.
Description
본 발명은 내구성이 우수한 교량용 신축이음장치에 관한 것으로, 더욱 상세하게는 인장강도, 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 우수하여 교량의 변위를 효율적으로 수용할 수 있으며, 교체, 보수 및 관리가 간편한 내구성이 우수한 교량용 신축이음장치에 관한 것이다.The present invention relates to an expansion joint for a bridge with excellent durability. More specifically, it has excellent tensile strength, durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, and abrasion resistance, and can efficiently accommodate the displacement of the bridge. It relates to a highly durable bridge expansion joint that is easy to replace, repair, and manage.
교량은 다수의 교각과 교각의 상부에 양단부가 안착 고정되는 다수의 상판들로 구성된다.A bridge consists of a number of piers and a number of decks with both ends seated and fixed on top of the piers.
교량의 상판은 차량의 이동, 온도 변화 및 인가되는 하중에 따라 변형되는 변위를 흡수할 수 있도록 서로 이격되어 있으며, 이 이격된 틈새에는 상판의 변위를 수용하면서 상판과 상판을 연결해 주는 신축이음장치가 설치된다.The decks of the bridge are spaced apart from each other to absorb displacement caused by vehicle movement, temperature changes, and applied loads. In this spaced gap, an expansion joint is installed to connect the deck and accommodate the displacement of the deck. It is installed.
신축이음장치는 교량 상판의 수축 및 팽창에 따른 변위를 효율적으로 수용할 수 있지만, 반복되는 하중이나 온도변화에 의해 내구성, 내후성, 내수성 등이 저하되어 장기간 안정적으로 사용될 수 없다. Expansion joints can efficiently accommodate displacement due to contraction and expansion of the bridge deck, but durability, weather resistance, and water resistance deteriorate due to repeated loads or temperature changes, so they cannot be used stably for a long period of time.
따라서 신축이음장치의 내구성, 내후성 등을 장기간 유지하기 위한 다양한 연구가 활발히 진행되고 있다.Therefore, various researches are actively being conducted to maintain the durability and weather resistance of expansion joints for a long period of time.
이와 관련하여 한국등록특허 제10-0632961호, 제10-1337024호 등은 누수방지가 가능한 교량용 신축이음장치를 개시하고 있다. In this regard, Korean Patent Nos. 10-0632961 and 10-1337024 disclose expansion joints for bridges capable of preventing water leakage.
그러나 상기 문헌에 개시된 기술은 신축이음장치의 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 불량하여 교량의 변위를 효율적으로 수용할 수 없으며, 교체, 보수 및 관리 비용이 증가하게 된다. However, the technology disclosed in the above literature cannot efficiently accommodate the displacement of the bridge due to the poor durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, and wear resistance of the expansion joint, and increases replacement, repair, and management costs. do.
본 발명은 상기 종래 기술의 문제점을 해결하기 위한 것으로서, 인장강도, 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 우수하여 교량의 변위를 효율적으로 수용할 수 있으며, 교체, 보수 및 관리가 간편한 내구성이 우수한 교량용 신축이음장치를 제공하는 것을 목적으로 한다. The present invention is intended to solve the problems of the prior art, and has excellent tensile strength, durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, and abrasion resistance, so that it can efficiently accommodate the displacement of the bridge and replace and repair it. The purpose is to provide an expansion joint for bridges that is easy to maintain and has excellent durability.
상기와 같은 목적을 달성하기 위하여 본 발명은 교량의 슬래브와 슬래브 사이에 설치되는 교량용 신축이음장치에 있어서,In order to achieve the above object, the present invention is an expansion joint device for bridges installed between slabs of a bridge,
내부에 볼트 삽입부 및 신축판 삽입부를 포함하고, 상기 슬래브에 매립 설치되는 한 쌍의 프레임;A pair of frames including a bolt insertion portion and an expansion plate insertion portion therein, and embedded in the slab;
상기 한 쌍의 프레임의 사이에 설치되고, 상기 신축판 삽입부로 슬라이드 삽입되며, 유입된 자갈 또는 빗물을 배수시키는 신축판; 및an expansion plate installed between the pair of frames, slide-inserted into the expansion plate insertion portion, and draining incoming gravel or rainwater; and
일단이 상기 슬래브의 골격을 이루는 철근에 용접되고, 타단이 상기 볼트 삽입부에 삽입되어 상기 프레임을 고정시키는 적어도 하나 이상의 볼트;를 포함하고,At least one bolt, one end of which is welded to the reinforcing bar forming the skeleton of the slab, and the other end of which is inserted into the bolt insertion portion to secure the frame,
상기 신축판은 고무, 폴리에틸렌, 폴리프로필렌, 폴리우레탄, 윤활제 및 자외선 흡수제를 포함하는 조성물로부터 제조되는 것을 특징으로 하는 교량용 신축이음장치를 제공한다.The expansion plate provides an expansion joint for a bridge, wherein the expansion plate is manufactured from a composition containing rubber, polyethylene, polypropylene, polyurethane, a lubricant, and an ultraviolet absorber.
본 발명의 일실시예에 있어서, 상기 한 쌍의 프레임은 중간 부분에 형성되는 프레임 본체와, In one embodiment of the present invention, the pair of frames includes a frame body formed in the middle portion,
상기 프레임 본체의 내부에 형성되는 신축판 삽입부와,an expansion plate insertion portion formed inside the frame body;
상기 프레임 본체의 일측 상부로 돌출되어 슬래브의 측면에 밀착되는 프레임 상판과, a frame top plate that protrudes from the upper part of one side of the frame body and is in close contact with the side of the slab;
상기 프레임 본체의 타측 하부로 돌출되어 슬래브의 측면에 밀착되는 프레임 하판과, a frame lower plate that protrudes from the lower part of the other side of the frame body and is in close contact with the side of the slab;
상기 프레임 본체와 상기 프레임 상판 사이에 형성되고 상기 신축판 삽입부로 삽입되는 신축판을 지지하는 상부 지지부와,an upper support portion formed between the frame body and the frame top plate and supporting an expansion plate inserted into the expansion plate insertion portion;
상기 프레임 본체와 상기 프레임 하판 사이에 형성되고 상기 신축판 삽입부로 삽입되는 신축판을 지지하는 하부 지지부와, a lower support portion formed between the frame body and the frame lower plate and supporting an expansion plate inserted into the expansion plate insertion portion;
상기 프레임 본체의 타면에 형성되고 볼트가 삽입되는 볼트 삽입부를 포함하고, A bolt insertion portion formed on the other side of the frame body and into which a bolt is inserted,
상기 신축판은 중간 부분에 형성되는 신축판 본체와, The expansion plate includes an expansion plate main body formed in the middle portion,
상기 신축판 본체의 양측 상단에 외측으로 연장되는 연결부와, A connecting portion extending outwardly at the top of both sides of the expansion plate body,
상기 연결부의 끝단에 형성되고 상기 신축판 삽입부로 슬라이드 삽입되는 지지부를 포함하는 것을 특징으로 한다.It is characterized in that it includes a support portion formed at the end of the connection portion and slidably inserted into the expansion plate insertion portion.
본 발명의 일실시예에 있어서, 상기 조성물은 고무 100중량부에 대하여 폴리에틸렌 5~20중량부, 폴리프로필렌 5~20중량부, 폴리우레탄 5~20중량부, 윤활제 1~10중량부 및 자외선 흡수제 1~10중량부를 포함하는 것을 특징으로 한다.In one embodiment of the present invention, the composition contains 5 to 20 parts by weight of polyethylene, 5 to 20 parts by weight of polypropylene, 5 to 20 parts by weight of polyurethane, 1 to 10 parts by weight of lubricant, and ultraviolet absorber, based on 100 parts by weight of rubber. It is characterized in that it contains 1 to 10 parts by weight.
본 발명의 일실시예에 있어서, 상기 조성물은 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제 및 2-하이드록시에틸 아크릴레이트(HEA)를 반응시켜 제조되는 실란 커플링제 올리고머 1~10중량부를 추가로 포함하는 것을 특징으로 한다.In one embodiment of the present invention, the composition contains 1 to 10 parts by weight of a silane coupling agent oligomer prepared by reacting an acrylate group-containing silane coupling agent, an epoxy group-containing silane coupling agent, and 2-hydroxyethyl acrylate (HEA). It is characterized by additional inclusion.
본 발명은 인장강도, 내구성, 내화학성, 내후성, 내수성, 신축성, 내충격성, 내마모성 등이 우수하여 교량의 변위를 효율적으로 수용할 수 있으며, 교체, 보수 및 관리가 간편한 내구성이 우수한 교량용 신축이음장치를 제공할 수 있다. The present invention is an expansion joint for bridges with excellent tensile strength, durability, chemical resistance, weather resistance, water resistance, elasticity, impact resistance, abrasion resistance, etc., which can efficiently accommodate the displacement of the bridge, and is easy to replace, repair, and maintain. Devices can be provided.
도 1은 본 발명의 신축이음장치를 나타낸다.
도 2는 본 발명의 신축이음장치의 분리 사시도를 나타낸다. Figure 1 shows an expansion joint device of the present invention.
Figure 2 shows an exploded perspective view of the expansion joint device of the present invention.
이하 도면 및 실시예를 바탕으로 본 발명을 상세히 설명한다. 본 발명에 사용된 용어, 도면, 실시예 등은 본 발명을 보다 구체적으로 설명하고 통상의 기술자의 이해를 돕기 위하여 예시된 것에 불과할 뿐이며, 본 발명의 권리범위 등이 이에 한정되어 해석되어서는 안 된다.The present invention will be described in detail below based on the drawings and examples. The terms, drawings, examples, etc. used in the present invention are merely illustrative to explain the present invention in more detail and aid the understanding of those skilled in the art, and should not be construed as limiting the scope of the present invention. .
본 발명에 사용되는 기술 용어 및 과학 용어는 다른 정의가 없다면 이 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 통상적으로 이해하고 있는 의미를 나타낸다.Technical terms and scientific terms used in the present invention, unless otherwise defined, represent meanings commonly understood by those skilled in the art in the technical field to which this invention pertains.
본 발명의 교량용 신축이음장치는 교량의 슬래브와 슬래브 사이에 설치될 수 있다. The expansion joint for bridges of the present invention can be installed between slabs of a bridge.
상기 교량용 신축이음장치는, 내부에 볼트 삽입부 및 신축판 삽입부를 포함하고, 상기 슬래브에 매립 설치되는 한 쌍의 프레임;The expansion joint device for a bridge includes a pair of frames embedded in the slab and including a bolt insertion portion and an expansion plate insertion portion therein;
상기 한 쌍의 프레임의 사이에 설치되고, 상기 신축판 삽입부로 슬라이드 삽입되며, 유입된 자갈 또는 빗물을 배수시키는 신축판; 및an expansion plate installed between the pair of frames, slide-inserted into the expansion plate insertion portion, and draining incoming gravel or rainwater; and
일단이 상기 슬래브의 골격을 이루는 철근에 용접되고, 타단이 상기 볼트 삽입부에 삽입되어 상기 프레임을 고정시키는 적어도 하나 이상의 볼트;를 포함할 수 있다(도 1 및 2). It may include at least one bolt, one end of which is welded to the reinforcing bar forming the skeleton of the slab, and the other end of which is inserted into the bolt insertion portion to secure the frame (FIGS. 1 and 2).
또한 상기 신축판은 고무, 폴리에틸렌, 폴리프로필렌, 폴리우레탄, 윤활제 및 자외선 흡수제를 포함하는 조성물로부터 제조될 수 있다. Additionally, the elastic plate may be manufactured from a composition containing rubber, polyethylene, polypropylene, polyurethane, a lubricant, and an ultraviolet absorber.
상기 한 쌍의 프레임(10)은 중간 부분에 형성되는 프레임 본체(11)와, The pair of frames 10 includes a frame body 11 formed in the middle portion,
상기 프레임 본체(11)의 내부에 형성되는 신축판 삽입부(12)와, An expansion plate insertion portion 12 formed inside the frame body 11,
상기 프레임 본체(11)의 일측 상부로 돌출되어 슬래브(100)의 측면에 밀착되는 프레임 상판(13)과, A frame top plate 13 that protrudes to the upper part of one side of the frame body 11 and is in close contact with the side of the slab 100,
상기 프레임 본체(11)의 타측 하부로 돌출되어 슬래브(100)의 측면에 밀착되는 프레임 하판(16)과, A frame lower plate 16 that protrudes to the lower part of the other side of the frame body 11 and is in close contact with the side of the slab 100,
상기 프레임 본체(11)와 상기 프레임 상판(13) 사이에 형성되고 상기 신축판 삽입부(12)로 삽입되는 신축판(20)을 지지하는 상부 지지부(14)와,an upper support portion (14) formed between the frame body (11) and the frame top plate (13) and supporting the expansion plate (20) inserted into the expansion plate insertion portion (12);
상기 프레임 본체(11)와 상기 프레임 하판(16) 사이에 형성되고 상기 신축판 삽입부(12)로 삽입되는 신축판(20)을 지지하는 하부 지지부(15)와,A lower support portion (15) formed between the frame body (11) and the frame lower plate (16) and supporting the expansion plate (20) inserted into the expansion plate insertion portion (12),
상기 프레임 본체(11)의 타면에 형성되고 볼트(30)가 삽입되는 볼트 삽입부(17)를 포함할 수 있다. It may include a bolt insertion portion 17 formed on the other surface of the frame body 11 and into which the bolt 30 is inserted.
또한 상기 신축판(20)은 중간 부분에 형성되는 신축판 본체(21)와,In addition, the expansion plate 20 includes an expansion plate main body 21 formed in the middle portion,
상기 신축판 본체(21)의 양측 상단에 외측으로 연장되는 연결부(22)와, Connecting portions 22 extending outwardly at the upper ends of both sides of the expansion plate main body 21,
상기 연결부(22)의 끝단에 형성되고 상기 신축판 삽입부(12)로 슬라이드 삽입되는 지지부(23)를 포함할 수 있다. It may include a support portion 23 that is formed at the end of the connection portion 22 and is slidably inserted into the expansion plate insertion portion 12.
상기 프레임(10)의 상기 신축판 삽입부(12)에는 신축판(20)의 지지부(23)가 슬라이드 삽입되어 프레임(10)과 신축판(20)의 체결이 이루어진다. The support portion 23 of the expansion plate 20 is slide-inserted into the expansion plate insertion portion 12 of the frame 10 to fasten the frame 10 and the expansion plate 20.
상기 상부 지지부(14)에는 내면에 하나 이상의 오목 홈이 형성되고, 상기 오목 홈에는 신축판(20)의 연결부(22)에 형성된 하나 이상의 돌출부가 슬라이드 삽입되어 체결이 안정적으로 이루어질 수 있다. One or more concave grooves are formed on the inner surface of the upper support portion 14, and one or more protrusions formed on the connection portion 22 of the elastic plate 20 are slidably inserted into the concave grooves, so that fastening can be performed stably.
상기 프레임 본체(11)의 타면에는 볼트(30)가 삽입되는 볼트 삽입부(17)가 형성되며, 상기 볼트 삽입부(17)에 삽입되는 볼트(30)에 의하여 상기 프레임 본체(11)는 슬래브(100) 내에 안정적으로 고정될 수 있다. A bolt insertion portion 17 into which a bolt 30 is inserted is formed on the other side of the frame body 11, and the frame body 11 is formed as a slab by the bolt 30 inserted into the bolt insertion portion 17. It can be stably fixed within (100).
또한 상기 한 쌍의 프레임(10)은 마주보는 슬래브의 양 측면에 대칭되게 매립 설치될 수 있다. Additionally, the pair of frames 10 may be installed symmetrically and embedded on both sides of the facing slab.
상기 신축판(20)의 상기 연결부(22)의 상면에는 하나 이상의 돌출부가 형성되며, 상기 돌출부는 상부 지지부(14)의 오목 홈에 슬라이드 삽입되어 프레임(10)과 신축판(20)의 체결이 안정적으로 이루어진다. One or more protrusions are formed on the upper surface of the connecting portion 22 of the elastic plate 20, and the protrusions are slidably inserted into the concave groove of the upper support portion 14 to fasten the frame 10 and the elastic plate 20. It is carried out stably.
상기 지지부(23)의 형상은 신축판 삽입부(12)의 형상에 대응되게 형성될 수 있다. The shape of the support portion 23 may be formed to correspond to the shape of the expansion plate insertion portion 12.
상기 신축판(20)은 한 쌍의 프레임(10)의 사이에 설치되며, 상부로부터 유입되는 자갈 또는 빗물을 외부로 효율적으로 배출시킬 수 있다. The expansion plate 20 is installed between a pair of frames 10, and can efficiently discharge gravel or rainwater flowing in from the top to the outside.
상기 신축판은 고무, 폴리에틸렌, 폴리프로필렌, 폴리우레탄, 윤활제 및 자외선 흡수제를 포함하는 조성물로부터 제조될 수 있다. The elastic plate may be manufactured from a composition containing rubber, polyethylene, polypropylene, polyurethane, lubricant, and ultraviolet absorber.
상기 조성물은 고무 100중량부에 대하여 폴리에틸렌 5~20중량부, 폴리프로필렌 5~20중량부, 폴리우레탄 5~20중량부, 윤활제 1~10중량부 및 자외선 흡수제 1~10중량부를 포함할 수 있다.The composition may include 5 to 20 parts by weight of polyethylene, 5 to 20 parts by weight of polypropylene, 5 to 20 parts by weight of polyurethane, 1 to 10 parts by weight of lubricant, and 1 to 10 parts by weight of ultraviolet absorber, based on 100 parts by weight of rubber. .
상기 고무는 탄성, 내수성, 내후성 및 내오존성을 부여하기 위하여 사용되며, 천연고무(NR), 부타디엔 고무(BR), 스티렌-부타디엔 고무(SBR), 폴리클로로프렌 고무(CR), 아크릴로니트릴-부타디엔 고무(NBR), 이소프렌 고무(IR), 에틸렌-프로필렌 고무(EPR), 스티렌-부타디엔-스티렌 고무(SBS) 및 에틸렌-프로필렌-디엔 고무(EPDM)로부터 하나 이상 사용될 수 있다. The rubber is used to provide elasticity, water resistance, weather resistance, and ozone resistance, and includes natural rubber (NR), butadiene rubber (BR), styrene-butadiene rubber (SBR), polychloroprene rubber (CR), and acrylonitrile-butadiene. One or more can be used from rubber (NBR), isoprene rubber (IR), ethylene-propylene rubber (EPR), styrene-butadiene-styrene rubber (SBS) and ethylene-propylene-diene rubber (EPDM).
예를 들면, 상기 고무는 부타디엔 고무(BR), 스티렌-부타디엔 고무(SBR) 및 에틸렌-프로필렌-디엔 고무(EPDM)를 사용할 수 있으며, 이때 상기 부타디엔 고무(BR), 스티렌-부타디엔 고무(SBR) 및 에틸렌-프로필렌-디엔 고무(EPDM)의 중량비는 100:10~20:20~50 인 것이 바람직하다.For example, the rubber may be butadiene rubber (BR), styrene-butadiene rubber (SBR), and ethylene-propylene-diene rubber (EPDM). In this case, butadiene rubber (BR), styrene-butadiene rubber (SBR) And the weight ratio of ethylene-propylene-diene rubber (EPDM) is preferably 100:10 to 20:20 to 50.
중량비가 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. When the weight ratio satisfies the above numerical range, the elasticity, water resistance, weather resistance, and durability of the elastic plate can be maximized.
상기 폴리에틸렌은 신축판의 강도, 내충격성, 내수성 등을 향상시키기 위해 사용될 수 있다. The polyethylene can be used to improve the strength, impact resistance, water resistance, etc. of the elastic plate.
상기 폴리에틸렌의 함량은 고무 100중량부에 대하여 5~20중량부인 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The content of polyethylene is preferably 5 to 20 parts by weight based on 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
상기 폴리프로필렌은 신축판의 내화학성 및 내구성을 향상시키기 위해 사용될 수 있다. The polypropylene can be used to improve the chemical resistance and durability of the expansion board.
상기 폴리프로필렌의 함량은 고무 100중량부에 대하여 5~20중량부인 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The content of the polypropylene is preferably 5 to 20 parts by weight based on 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
상기 폴리우레탄은 신축판의 인장강도 및 신축성을 향상시키기 위해 사용될 수 있다. The polyurethane can be used to improve the tensile strength and elasticity of the elastic plate.
상기 폴리우레탄의 함량은 고무 100중량부에 대하여 5~20중량부인 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The content of the polyurethane is preferably 5 to 20 parts by weight based on 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
상기 윤활제는 내마모성을 향상시키는 역할을 하며, 파라핀계 오일, 나프텐계 오일, 동식물유, 합성유, 그리스, 그래파이트 등이 사용될 수 있다. The lubricant serves to improve wear resistance, and paraffin-based oil, naphthenic oil, animal and vegetable oil, synthetic oil, grease, graphite, etc. may be used.
윤활제의 함량은 고무 100중량부에 대하여 1~10중량부인 것이 바람직하며, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The content of the lubricant is preferably 1 to 10 parts by weight per 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
상기 자외선 흡수제는 자외선을 흡수하여 신축판의 열화 및 손상을 방지하는 역할을 하며, 2,4-디하이드록시벤조페논, 2-하이드록시-4-메톡시벤조페논 등의 벤조페논계; 2-(2'-하이드록시-5'-메틸페닐)벤조트리아졸 등의 벤조트리아졸계; 페닐살리실레이트 등의 살리실산계; 비스(2,2,6,6-테트라메틸-4-피페리딜)세바케이트 등의 힌더드아민계 등이 있다.The ultraviolet absorber serves to prevent deterioration and damage of the elastic plate by absorbing ultraviolet rays, and includes benzophenones such as 2,4-dihydroxybenzophenone and 2-hydroxy-4-methoxybenzophenone; Benzotriazole series such as 2-(2'-hydroxy-5'-methylphenyl)benzotriazole; Salicylic acids such as phenyl salicylate; and hindered amines such as bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate.
상기 자외선 흡수제의 함량은 고무 100중량부에 대하여 1~10중량부인 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다.The content of the ultraviolet absorber is preferably 1 to 10 parts by weight per 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
또한 상기 조성물은 아크릴레이트기 함유 실란 커플링제, 아크릴산계 모노머 및 2-하이드록시에틸 아크릴레이트(HEA)의 공중합체를 추가로 포함할 수 있다. In addition, the composition may further include an acrylate group-containing silane coupling agent, an acrylic acid-based monomer, and a copolymer of 2-hydroxyethyl acrylate (HEA).
상기 아크릴레이트기 함유 실란 커플링제로는 3-메타크릴록시프로필메틸디메톡시실란, 3-메타크릴록시프로필트리메톡시실란, 3-메타크릴록시프로필메틸디에톡시실란, 3-메타크릴록시프로필트리에톡시실란, 3-아크릴록시프로필트리메톡시실란, 메타크릴록시메틸트리에톡시실란, 메타크릴록시메틸트리메톡시실란 등이 있다. The acrylate group-containing silane coupling agent includes 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, and 3-methacryloxypropyltri. These include ethoxysilane, 3-acryloxypropyltrimethoxysilane, methacryloxymethyltriethoxysilane, and methacryloxymethyltrimethoxysilane.
상기 아크릴산계 모노머는 아크릴산, 메타크릴산, 메틸 아크릴산, 에틸 아크릴산, 부틸 아크릴산, 2-에틸 헥실 아크릴산, 데실아크릴산, 메틸 메타크릴산, 에틸 메타크릴산, 부틸 메타크릴산, 2-에틸 헥실 메타크릴산, 데실메타크릴산 등이 있다. The acrylic acid-based monomers include acrylic acid, methacrylic acid, methyl acrylic acid, ethyl acrylic acid, butyl acrylic acid, 2-ethylhexyl acrylic acid, decyl acrylic acid, methyl methacrylic acid, ethyl methacrylic acid, butyl methacrylic acid, and 2-ethylhexyl methacrylic acid. acids, decyl methacrylic acid, etc.
상기 아크릴레이트기 함유 실란 커플링제, 아크릴산계 모노머 및 2-하이드록시에틸 아크릴레이트의 중량비는 2~10:100:20~50인 것이 바람직하며, 중량비가 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다.The weight ratio of the acrylate group-containing silane coupling agent, acrylic acid-based monomer, and 2-hydroxyethyl acrylate is preferably 2 to 10:100:20 to 50, and when the weight ratio satisfies the above numerical range, the elasticity of the elastic plate is , water resistance, weather resistance, and durability can be maximized.
상기 공중합체의 함량은 고무 100중량부에 대하여 1~10중량부인 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다.The content of the copolymer is preferably 1 to 10 parts by weight based on 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
또한 상기 조성물은 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제 및 2-하이드록시에틸 아크릴레이트(HEA)를 반응시켜 제조되는 실란 커플링제 올리고머를 추가로 포함할 수 있다. In addition, the composition may further include a silane coupling agent oligomer prepared by reacting an acrylate group-containing silane coupling agent, an epoxy group-containing silane coupling agent, and 2-hydroxyethyl acrylate (HEA).
상기 에폭시기 함유 실란 커플링제로는 2-글리시독시에틸메틸디메톡시실란, 2-글리시독시에틸메틸디에톡시실란, 3-글리시독시프로필메틸디메톡시실란, 3-글리시독시프로필메틸디에톡시실란, 2-글리시독시에틸트리메톡시실란, 2-글리시독시에틸트리에톡시실란, 3-글리시독시프로필트리메톡시실란, 3-글리시독시프로필트리에톡시실란, 2-(3,4-에폭시시클로헥실)에틸메틸디메톡시실란, 2-(3,4-에폭시시클로헥실)에틸메틸디에톡시실란, 3-(3,4-에폭시시클로헥실)프로필메틸디메톡시실란, 3-(3,4-에폭시시클로헥실)프로필메틸디에톡시실란, 2-(3,4-에폭시시클로헥실)에틸트리메톡시실란, 2-(3,4-에폭시시클로헥실)에틸트리에톡시실란, 3-(3,4-에폭시시클로헥실)프로필트리메톡시실란, 3-(3,4-에폭시시클로헥실)프로필트리에톡시실란 등이 있다.The epoxy group-containing silane coupling agent includes 2-glycidoxyethylmethyldimethoxysilane, 2-glycidoxyethylmethyldiethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, and 3-glycidoxypropylmethyldiethoxy. Silane, 2-glycidoxyethyltrimethoxysilane, 2-glycidoxyethyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, 2-(3 ,4-Epoxycyclohexyl)ethylmethyldimethoxysilane, 2-(3,4-epoxycyclohexyl)ethylmethyldiethoxysilane, 3-(3,4-epoxycyclohexyl)propylmethyldimethoxysilane, 3-( 3,4-Epoxycyclohexyl)propylmethyldiethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltriethoxysilane, 3- (3,4-epoxycyclohexyl)propyltrimethoxysilane, 3-(3,4-epoxycyclohexyl)propyltriethoxysilane, etc.
상기 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제 및 2-하이드록시에틸 아크릴레이트의 중량비는 20~50:100:2~20인 것이 바람직하다. The weight ratio of the acrylate group-containing silane coupling agent, the epoxy group-containing silane coupling agent, and 2-hydroxyethyl acrylate is preferably 20 to 50:100:2 to 20.
상기 실란 커플링제 올리고머의 중량평균분자량은 1,000~50,000g/mol 인 것이 바람직하다. The weight average molecular weight of the silane coupling agent oligomer is preferably 1,000 to 50,000 g/mol.
상기 실란 커플링제 올리고머는 고무 100중량부에 대하여 1~10중량부 사용되는 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The silane coupling agent oligomer is preferably used in an amount of 1 to 10 parts by weight per 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
또한 상기 조성물은 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제, 2-하이드록시에틸 아크릴레이트(HEA) 및 2-하이드록시에틸 메타크릴레이트를 반응시켜 제조되는 실란 커플링제 올리고머를 추가로 포함할 수 있다. In addition, the composition further includes a silane coupling agent containing an acrylate group, a silane coupling agent containing an epoxy group, and a silane coupling agent oligomer prepared by reacting 2-hydroxyethyl acrylate (HEA) and 2-hydroxyethyl methacrylate. can do.
상기 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제, 2-하이드록시에틸 아크릴레이트 및 2-하이드록시에틸 메타크릴레이트의 중량비는 20~50:100:2~20:1~10 인 것이 바람직하다. The weight ratio of the acrylate group-containing silane coupling agent, the epoxy group-containing silane coupling agent, 2-hydroxyethyl acrylate, and 2-hydroxyethyl methacrylate is preferably 20 to 50:100:2 to 20:1 to 10. do.
상기 실란 커플링제 올리고머의 중량평균분자량은 1,000~50,000g/mol 인 것이 바람직하다. The weight average molecular weight of the silane coupling agent oligomer is preferably 1,000 to 50,000 g/mol.
상기 실란 커플링제 올리고머는 고무 100중량부에 대하여 1~10중량부 사용되는 것이 바람직하고, 함량이 상기 수치범위를 만족하는 경우 신축판의 탄성, 내수성, 내후성 및 내구성이 극대화될 수 있다. The silane coupling agent oligomer is preferably used in an amount of 1 to 10 parts by weight per 100 parts by weight of rubber, and when the content satisfies the above numerical range, the elasticity, water resistance, weather resistance and durability of the elastic plate can be maximized.
본 발명의 조성물은 유리섬유, 소포제, 증점제, 촉매, 희석제, 분산제, 레벨링제, 가소제, 가교제, pH 조절제, 난연제, 안료, 습윤제, 산화방지제, 열안정제, 대전방지제, 이형제 등을 추가로 포함할 수 있다. The composition of the present invention may further include glass fiber, antifoaming agent, thickener, catalyst, diluent, dispersant, leveling agent, plasticizer, crosslinking agent, pH adjuster, flame retardant, pigment, wetting agent, antioxidant, heat stabilizer, antistatic agent, mold release agent, etc. You can.
상기 하나 이상의 볼트(30)는 일단이 슬래브의 골격에 결합되고, 타단은 상기 볼트 삽입부(17)에 삽입되어 상기 프레임(10)을 고정시킬 수 있다.One end of the one or more bolts 30 is coupled to the skeleton of the slab, and the other end is inserted into the bolt insertion portion 17 to fix the frame 10.
상기 프레임(10)의 볼트 삽입부(17)에 삽입된 다수의 볼트(30)를 슬래브의 철근에 용접하여 고정한 후 콘크리트를 타설하여 슬래브의 양 측면에 프레임(10)이 매설되도록 설치할 수 있다. A plurality of bolts 30 inserted into the bolt insertion portion 17 of the frame 10 can be welded and fixed to the reinforcing bars of the slab, and then concrete can be poured to install the frame 10 on both sides of the slab.
상기 프레임 본체(11)의 일측에 상부와 하부로 돌출 형성된 프레임 상판(13)과 프레임 하판(16)이 슬래브(100)의 양 측면에 수직선상이 되도록 설치하고, 상기 한 쌍의 프레임(10)은 마주보는 슬래브의 양 측면에 대칭되게 매립 설치될 수 있다. A frame upper plate 13 and a frame lower plate 16 protruding from the upper and lower sides of one side of the frame body 11 are installed in a vertical line on both sides of the slab 100, and the pair of frames 10 It can be installed symmetrically on both sides of the facing slab.
상기 한 쌍의 프레임(10)이 슬래브와 슬래브 사이의 양 측면에 매립된 후, 슬래브의 측면에서 신축판(20)의 지지부(23)를 프레임(10)의 신축판 삽입부(12)로 슬라이딩 방식으로 삽입함으로써 한 쌍의 프레임(10) 사이에 신축판(20)을 설치할 수 있다.After the pair of frames 10 are embedded on both sides between the slabs, sliding the support portion 23 of the expansion plate 20 onto the expansion plate insertion portion 12 of the frame 10 on the side of the slab. The expansion plate 20 can be installed between a pair of frames 10 by inserting it in this way.
이하 실시예 및 비교예를 통해 본 발명을 상세히 설명한다. 하기 실시예는 본 발명의 실시를 위하여 예시된 것일 뿐, 본 발명의 내용이 하기 실시예에 의하여 한정되는 것은 아니다.The present invention will be described in detail below through examples and comparative examples. The following examples are merely illustrative for carrying out the present invention, and the content of the present invention is not limited by the following examples.
(실시예 1)(Example 1)
부타디엔 고무(BR) 100중량부, 폴리에틸렌 15중량부, 폴리프로필렌 15중량부, 폴리우레탄 15중량부, 파라핀 오일 5중량부 및 2,4-디하이드록시벤조페논 3중량부를 혼합한 후 압출 가공하여 조성물을 제조하였다. 100 parts by weight of butadiene rubber (BR), 15 parts by weight of polyethylene, 15 parts by weight of polypropylene, 15 parts by weight of polyurethane, 5 parts by weight of paraffin oil, and 3 parts by weight of 2,4-dihydroxybenzophenone are mixed and then extruded. A composition was prepared.
(실시예 2)(Example 2)
폴리에틸렌 2중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 조성물을 제조하였다. A composition was prepared in the same manner as Example 1, except that 2 parts by weight of polyethylene was used.
(실시예 3)(Example 3)
폴리에틸렌 25중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 조성물을 제조하였다. A composition was prepared in the same manner as Example 1, except that 25 parts by weight of polyethylene was used.
(실시예 4)(Example 4)
3-메타크릴록시프로필트리메톡시실란 30중량부, 3-글리시독시프로필트리메톡시실란 100중량부 및 2-하이드록시에틸 아크릴레이트 10중량부를 혼합하고 반응시켜 실란 커플링제 올리고머를 제조하였다.A silane coupling agent oligomer was prepared by mixing and reacting 30 parts by weight of 3-methacryloxypropyltrimethoxysilane, 100 parts by weight of 3-glycidoxypropyltrimethoxysilane, and 10 parts by weight of 2-hydroxyethyl acrylate.
상기 실란 커플링제 올리고머 5중량부를 추가로 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 조성물을 제조하였다. A composition was prepared in the same manner as Example 1, except that 5 parts by weight of the silane coupling agent oligomer was additionally used.
(비교예 1)(Comparative Example 1)
폴리에틸렌을 사용하지 않은 것을 제외하고는 실시예 1과 동일한 방법으로 조성물을 제조하였다. A composition was prepared in the same manner as Example 1, except that polyethylene was not used.
(비교예 2)(Comparative Example 2)
폴리프로필렌을 사용하지 않은 것을 제외하고는 실시예 1과 동일한 방법으로 조성물을 제조하였다. A composition was prepared in the same manner as Example 1, except that polypropylene was not used.
상기 실시예 및 비교예로부터 제조된 조성물의 특성을 측정하여 그 결과를 아래의 표 1에 나타내었다. The properties of the compositions prepared from the examples and comparative examples were measured, and the results are shown in Table 1 below.
인장강도는 ASTM D 638에 의거하여 측정하였다.Tensile strength was measured according to ASTM D 638.
인장강도의 감소율은 80℃로 유지되는 열풍 순환식 가열로에서 상기 조성물을 10시간 가열한 후 인장강도를 측정한 다음, 초기 인장강도 대비 인장강도의 감소정도를 측정하였다. The rate of decrease in tensile strength was measured after heating the composition for 10 hours in a hot air circulation heating furnace maintained at 80°C, and then measuring the degree of decrease in tensile strength compared to the initial tensile strength.
치수변화율은 KS K ISO 3759에 의거하여 측정하였다.The dimensional change rate was measured according to KS K ISO 3759.
마찰계수는 roller-and-disk 시험기를 이용하여 실온에서 수직하중과 회전시에 발생하는 접선 마찰력을 측정하여 계산하였다. The friction coefficient was calculated by measuring the tangential friction force generated during vertical load and rotation at room temperature using a roller-and-disk tester.
(kg/cm2)tensile strength
(kg/ cm2 )
(%)Dimensional change rate
(%)
상기 표 1의 결과로부터, 실시예 1 내지 4는 인장강도, 신율, 내열성 및 내마모성이 우수하며, 특히 실시예 1 및 4는 상기 특성이 가장 우수하다. From the results in Table 1, Examples 1 to 4 are excellent in tensile strength, elongation, heat resistance, and wear resistance, and in particular, Examples 1 and 4 have the best properties.
반면 비교예 1 및 2는 상기 특성이 실시예에 비하여 열등함을 알 수 있다. On the other hand, it can be seen that the characteristics of Comparative Examples 1 and 2 are inferior to those of Examples.
1: 신축이음장치 10: 프레임
11: 프레임 본체 12: 신축판 삽입부
13: 프레임 상판 14: 상부 지지부
15: 하부 지지부 16: 프레임 하판
17: 볼트 삽입부
20: 신축판 21: 신축판 본체
22: 연결부 23: 지지부
30: 볼트
100: 슬래브1: Expansion joint 10: Frame
11: frame body 12: expansion plate insertion part
13: Frame top 14: Upper support
15: lower support 16: lower frame plate
17: Bolt insertion part
20: expansion plate 21: expansion plate main body
22: connection part 23: support part
30: bolt
100: slab
Claims (4)
내부에 볼트 삽입부 및 신축판 삽입부를 포함하고, 상기 슬래브에 매립 설치되는 한 쌍의 프레임;
상기 한 쌍의 프레임의 사이에 설치되고, 상기 신축판 삽입부로 슬라이드 삽입되며, 유입되는 빗물을 배수시키는 신축판; 및
일단이 상기 슬래브의 골격을 이루는 철근에 용접되고, 타단이 상기 볼트 삽입부에 삽입되어 상기 프레임을 고정시키는 적어도 하나 이상의 볼트;를 포함하고,
상기 신축판은 고무; 폴리에틸렌; 폴리프로필렌; 폴리우레탄; 윤활제; 자외선 흡수제; 및 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제 및 2-하이드록시에틸 아크릴레이트(HEA)를 반응시켜 제조되는 실란 커플링제 올리고머;를 포함하는 조성물로부터 제조되며,
상기 조성물은 고무 100중량부에 대하여 폴리에틸렌 5~20중량부, 폴리프로필렌 5~20중량부, 폴리우레탄 5~20중량부, 윤활제 1~10중량부, 자외선 흡수제 1~10중량부 및 상기 실란 커플링제 올리고머 1~10중량부를 포함하고,
상기 실란 커플링제 올리고머는 아크릴레이트기 함유 실란 커플링제, 에폭시기 함유 실란 커플링제 및 2-하이드록시에틸 아크릴레이트(HEA)의 중량비가 20~50:100:2~20인 것을 특징으로 하는 교량용 신축이음장치.
In the expansion joint device for bridges installed between slabs of a bridge,
A pair of frames including a bolt insertion portion and an expansion plate insertion portion therein, and embedded in the slab;
an expansion plate installed between the pair of frames, slidably inserted into the expansion plate insertion portion, and draining incoming rainwater; and
At least one bolt, one end of which is welded to the reinforcing bar forming the skeleton of the slab, and the other end of which is inserted into the bolt insertion portion to secure the frame,
The elastic plate is made of rubber; polyethylene; polypropylene; Polyurethane; slush; ultraviolet absorber; and a silane coupling agent oligomer prepared by reacting an acrylate group-containing silane coupling agent, an epoxy group-containing silane coupling agent, and 2-hydroxyethyl acrylate (HEA),
The composition includes 5 to 20 parts by weight of polyethylene, 5 to 20 parts by weight of polypropylene, 5 to 20 parts by weight of polyurethane, 1 to 10 parts by weight of lubricant, 1 to 10 parts by weight of ultraviolet absorber, and the silane couple per 100 parts by weight of rubber. Contains 1 to 10 parts by weight of ring agent oligomer,
The silane coupling agent oligomer is a new construction for bridges, characterized in that the weight ratio of the silane coupling agent containing an acrylate group, the silane coupling agent containing an epoxy group, and 2-hydroxyethyl acrylate (HEA) is 20 to 50:100:2 to 20. Joint device.
상기 한 쌍의 프레임은
중간 부분에 형성되는 프레임 본체와,
상기 프레임 본체의 내부에 형성되는 신축판 삽입부와,
상기 프레임 본체의 일측 상부로 돌출되어 슬래브의 측면에 밀착되는 프레임 상판과,
상기 프레임 본체의 타측 하부로 돌출되어 슬래브의 측면에 밀착되는 프레임 하판과,
상기 프레임 본체와 상기 프레임 상판 사이에 형성되고 상기 신축판 삽입부로 삽입되는 신축판을 지지하는 상부 지지부와,
상기 프레임 본체와 상기 프레임 하판 사이에 형성되고 상기 신축판 삽입부로 삽입되는 신축판을 지지하는 하부 지지부와,
상기 프레임 본체의 타면에 형성되고 볼트가 삽입되는 볼트 삽입부를 포함하고,
상기 신축판은
중간 부분에 형성되는 신축판 본체와,
상기 신축판 본체의 양측 상단에 외측으로 연장되는 연결부와,
상기 연결부의 끝단에 형성되고 상기 신축판 삽입부로 슬라이드 삽입되는 지지부를 포함하는 것을 특징으로 하는 교량용 신축이음장치.
According to paragraph 1,
The pair of frames is
A frame body formed in the middle part,
an expansion plate insertion portion formed inside the frame body;
a frame top plate that protrudes from the upper part of one side of the frame body and is in close contact with the side of the slab;
a frame lower plate that protrudes from the lower part of the other side of the frame body and is in close contact with the side of the slab;
an upper support portion formed between the frame body and the frame top plate and supporting an expansion plate inserted into the expansion plate insertion portion;
a lower support portion formed between the frame body and the frame lower plate and supporting an expansion plate inserted into the expansion plate insertion portion;
A bolt insertion portion formed on the other side of the frame body and into which a bolt is inserted,
The expansion plate is
An expansion plate body formed in the middle portion,
A connecting portion extending outwardly at the top of both sides of the expansion plate body,
An expansion joint device for a bridge, comprising a support portion formed at an end of the connection portion and slidably inserted into the expansion plate insertion portion.
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| KR100632961B1 (en) | 2004-10-12 | 2006-10-16 | 이지연 | An expansion and contraction device of railroad bridge |
| KR101337024B1 (en) | 2013-04-04 | 2013-12-06 | 고재용 | For both leakage protection and drainage equipment of expansion joint on bridge |
| KR101679841B1 (en) * | 2016-05-31 | 2016-11-25 | 유상배 | A expansion joint for easy maintenance and improved performance of drain board |
| KR101698589B1 (en) * | 2016-04-05 | 2017-01-20 | 주식회사 다인기술 | A expansion joint for bridge |
| KR102341174B1 (en) * | 2021-09-13 | 2021-12-20 | 주식회사 세라수 | a method for acidifying terephthalylidene dicamphor sulfonate using cation exchange fiber |
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|---|---|---|---|---|
| KR100632961B1 (en) | 2004-10-12 | 2006-10-16 | 이지연 | An expansion and contraction device of railroad bridge |
| KR101337024B1 (en) | 2013-04-04 | 2013-12-06 | 고재용 | For both leakage protection and drainage equipment of expansion joint on bridge |
| KR101698589B1 (en) * | 2016-04-05 | 2017-01-20 | 주식회사 다인기술 | A expansion joint for bridge |
| KR101679841B1 (en) * | 2016-05-31 | 2016-11-25 | 유상배 | A expansion joint for easy maintenance and improved performance of drain board |
| KR102341174B1 (en) * | 2021-09-13 | 2021-12-20 | 주식회사 세라수 | a method for acidifying terephthalylidene dicamphor sulfonate using cation exchange fiber |
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