Study on formulation of adhesive for retard⁃bonding prestressed strands

doi:10.19491/j.issn.1001-9278.2023.09.008

Abstract

Abstract:

To develop a high⁃performance adhesive suitable for retard⁃bonding prestressed steel strands， an adhesive based on the E51 epoxy resin/polyamide/filler system was studied through cone penetration， Shore hardness， mechanical property and durability measurements， and its optimal formulation was determined to meet the requirement of performance for retard⁃bonding prestressed steel strands. The results indicated that the initial penetration for optimum formulation was 53.6 （0.1 mm）， flexural strength was 23.82 MPa， compressive strength was 75.14 MPa， tensile shear strength was 18.92 MPa， damp heat aging resistance was 13.44 %， and the high⁃ and low⁃temperature alternating performance was 12.57 %. These properties can meet the requirements of industry standards and provides a reference value for the development of adhesive for retard⁃bonding prestressed steel strands.

Key words: retard?bonding prestress, adhesive, penetration, Shore hardness, mechanical property, durability

CLC Number:

TQ323.5

DENG Weijuan, WANG Qiao, HU Wei, YANG Fan, HUI Zhan. Study on formulation of adhesive for retard⁃bonding prestressed strands[J]. China Plastics, 2023, 37(9): 51-56.

Figures/Tables 9

References 15

1	宫锡胜，刘景亮，周建锋，等. 缓黏结预应力技术在力鸿生态家园工程中的应用［J］. 工业建筑，2008（11）：28⁃30.
	GONG X S， LIU J L， ZHOU J F，et al. Application of slow bonding prestressing technology in Lihong ecological home project［J］. Industrial Construction，2008，（11）： 28⁃30.
2	熊学玉，华楠，余鹏程. 缓黏结部分预应力混凝土梁静载试验研究［J］. 建筑结构，2018，48（08）：34⁃40.
	XIONG X Y， HUA N， YU P C. Static load test study of slowly bonded partial prestressed concrete beam［J］. Buil⁃ding Structure，2018，48（08）： 34⁃40.
3	李佩勋. 缓黏结预应力综合技术的研究和发展［J］. 工业建筑，2008（11）：1⁃5.
	Li P X. Research on the retard⁃bonded prestressed technique and development prospects［J］. Industrial Construction，2008，38（11）：1⁃5.
4	赵培庆，李威，张立山. 缓黏结预应力技术在综合体建筑大跨度梁中的应用［J］. 中国港湾建设，2021，41（01）：57⁃61.
	ZHAO P Q， LI W， ZHANG L S. Application of gentle bonding prestressing technology in long⁃span beams of complex buildings［J］. China Harbour Engineering，2021，41（01）： 57⁃61.
5	孙旭军. 缓黏结预应力混凝土在多跨连续梁结构中的施工技术及应用［J］. 四川建筑，2020，40（02）：274⁃276+279.
	SUN X J. Construction technology and application of slowly bonded prestressed concrete in multi⁃span continuous beam structure［J］. Sichuan Architecture，2020，40（02）： 274⁃276+279.
6	范蕴蕴，吴转琴，周建锋，等. 缓黏结预应力钢筋用胶黏剂材料研究［J］. 工业建筑，2008，38（11）：4.
	FAN Y Y， WU Z Q， ZHOU J F，et al. Research on adhesive materials for slow bonding of prestressed rebar［J］. Industrial Construction，2008，38（11）： 6⁃8.
7	周建锋，尚仁杰，范蕴蕴，等. 缓黏结预应力钢筋用胶黏剂材料的稳定性研究［J］. 工业建筑，2008（11）：13⁃16.
	ZHOU J F， SHANG R J， FAN Y Y，et al. Stability study on adhesive material of retard⁃bonded prestressing strand ［J］. Industrial Construction，2008（11）：13⁃16.
8	焦保雷，吴千慧，巫光胜，等. 稀释剂对环氧树脂高强度堵剂性能的影响评价［J］. 油田化学，2021，38（02）：253⁃257+267.
	JIAO B L， WU Q H， WU G S，et al. Evaluation of the effect of diluent on the performance of epoxy resin high⁃strength plugging agent［J］. Oilfield Chemistry 2021，38（02）： 253⁃257+267.
9	谷亚新，谢春晓，王晴，等. 聚酰胺和腰果酚类固化剂对环氧树脂固化性能的影响［J］. 中国胶黏剂，2016，25（10）：15⁃18.
	GU Y X， XIE C X， WANG Q，ET AL. Effect of polyamide and cashew phenolic curing agents on curing properties of epoxy resins［J］. China Adhesives，2016，25（10）： 15⁃18.
10	刘敬福，刘长兴，李智超. 填料对环氧树脂胶黏剂机械性能的影响［J］. 辽宁工程技术大学学报，2004（04）：536⁃537.
	LIU J F， LIU C X， LI Z C. Effect of fillers on mechanical properties of epoxy resin adhesives［J］. Journal of Liaoning Technical University： Natural Science Edition，2004（04）： 536⁃537.
11	崔东霞. 填料用量对环氧树脂固化物力学性能的影响［J］. 中国胶黏剂，2020，29（04）：20⁃22+28.
	CUI D X. Effect of filler dosage on mechanical properties of solidified epoxy resin［J］. China Adhesives，2020，29（04）： 20⁃22+28.
12	邱茂顺，单瑞俊，史有好，等. 填料在碳纤维/环氧拉挤成型工艺中的应用研究［J］. 高科技纤维与应用，2015，40（02）：42⁃44+52.
	QIU M S， SHAN R J， SHI Y H，et al. Application of fillers in carbon fiber/epoxy pultrusion process［J］. High⁃Tech Fibers and Applications，2015，40（02）： 42⁃44+52.
13	袁慧五，饶秋华. 无机填料对低黏度高性能环氧树脂性能的影响［J］. 热固性树脂，2007，（06）：33⁃35.
	YUAN H W， RAO Q H. Effect of inorganic fillers on properties of low⁃viscosity high⁃performance epoxy resins［J］. Thermosetting Resins，2015，40（02）： 42⁃44+52.
14	蒋方新，李仙花，李佩勋. 环氧树脂掺量对缓凝黏合剂强度的影响［J］. 应用化工，2022，51（03）：768⁃770.
	JIANG F X， LI X H， LI P X. The effect of epoxy resin content on the strength of the retarding adhesive ［J］. Applied Chemical Industry. 2022，51（03）： 768⁃770.
15	缓黏结预应力钢绞线专用黏合剂：［S］. 北京：中国标准出版社，2012．

样品编号	E51/份	PA650/份	填料/份
配方1	100	1.14	-
配方2	100	2.29	-
配方3	100	4.57	-
配方4	100	9.14	-
配方5	100	1.14	77.45
配方6	100	1.14	116.89
配方7	100	1.14	178.86
配方8	100	1.14	290.4

样品编号	E51/份	PA650/份	填料/份
配方1	100	1.14	-
配方2	100	2.29	-
配方3	100	4.57	-
配方4	100	9.14	-
配方5	100	1.14	77.45
配方6	100	1.14	116.89
配方7	100	1.14	178.86
配方8	100	1.14	290.4

[1]	CHEN Hui, SUN Lingsheng, QIAN Weidong, TAN Bo. Study on properties of PES/CF/CB composites through selective laser sintering [J]. China Plastics, 2023, 37(9): 14-18.
[2]	MEI Yuan, LI Zhen, XU Lubo, MA Yiming. Study on properties of transparent toughened rPET/rPCTG alloys [J]. China Plastics, 2023, 37(9): 39-43.
[3]	LI Hongbo, YANG Rui, SU Zhengtao. Effect of different rigid reinforcing fillers on properties of PTFE [J]. China Plastics, 2023, 37(8): 13-19.
[4]	DU Le, HU Yajie, HU Jian, SUN Tao, YUN Xueyan, DONG Tungalag. Preparation of poly （L⁃lactic acid）/chitosan films through UV curing and their thermal， mechanical and antibacterial properties [J]. China Plastics, 2023, 37(8): 38-44.
[5]	. Preparation and properties of poly（lactic acid）/poly（butylene adipate terephthalate） complex foaming materials [J]. , 2023, 37(7): 1-8.
[6]	. Preparation and properties of polyimide/glass powder composite films [J]. , 2023, 37(7): 47-52.
[7]	. Preparation and properties of SEPS/PP foam beads through autoclave foaming [J]. , 2023, 37(6): 43-49.
[8]	. Tribological properties of ultrahigh molecular weight polyethylene modified with boron nitride [J]. , 2023, 37(5): 28-33.
[9]	. Study on disorientation of biaxially oriented unplasticized poly（vinyl chloride） pipes [J]. , 2023, 37(4): 35-38.
[10]	. Study on mechanical properties and high?temperature resistance of conductive rubber [J]. , 2023, 37(3): 24-29.
[11]	JIN Qingping, LIU Yundie. Research progress in durability of fiber⁃reinforced⁃polymer⁃confined concrete columns [J]. China Plastics, 2023, 37(2): 121-128.
[12]	DONG Jinghui, SANG Xiaoming, CHEN Zhen, YIN Weihao, JIANG Qian, CHEN Xinggang. Effect of short⁃cut carbon fibers on performance of phthalonitrile/carbon fiber composites [J]. China Plastics, 2023, 37(2): 31-37.
[13]	DUAN Kaige, ZHU Hui, NI Jia, PAN Hao, ZHOU Chaoxi, CHEN Xiaodie, MEI Zhenwei, YU Dongming. Preparation and properties of cross⁃linked thermoplastic polyethylene （TPEXa） pipes [J]. China Plastics, 2023, 37(1): 8-12.
[14]	LI Yi, FAN Guiqi, WU Tianyu, YE Haimu. Effect of graphite micro⁃sheets on crystallization and properties of polychlorotrifluoroethylene [J]. China Plastics, 2023, 37(1): 18-25.
[15]	SHEN Yirui, ZHOU Wenbin, ZHANG Jingjing, ZHAO Chengzhong, GAO Huakun, SHEN Shuguang, LIU Dekai, JIANG Pingping. Applications and performance of medium carbon chain chlorofaffin in PVC products [J]. China Plastics, 2023, 37(1): 31-37.