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钢绞线锚固系统抗火性能试验研究

Jianzhu Gangjiegou Jinzhan, 2019
钢绞线锚固系统具有很强的受火敏感性,其火灾下的受力性能不容忽视。以我国工程中广泛使用的1 860 MPa级钢绞线夹片锚为研究对象,采用足尺试件对其抗火性能进行研究,分析不同应力水平(0.3、0.4)对锚固系统耐火极限和临界温度的影响规律。试验结果表明:火灾下钢绞线夹片锚的破坏模式为钢绞线滑移,并伴有断丝现象发生;高温下钢绞线在夹片锚内的滑移大致包括平稳持载和滑移急剧增长2个阶段;当应力水平从0.3增加到0.4时,锚固系统的破坏时间分别为74 min和69 min,对应的临界温度相近,约为520 ...
崔启, 朱美春, 张海良, 何旭初
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[Therapeutic mechanism of <i>Arctium lappa</i> extract for post-viral pneumonia pulmonary fibrosis: a metabolomics, network pharmacology analysis and experimental verification]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Li G, Li R, Liu Y, Ke H, Li J, Wang X.
europepmc   +1 more source

[Research progress on strontium modified β-tricalcium phosphate composite biomaterials with immune regulatory properties]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li H, Shan X, Wang H, Tian Z, He C, Zhang H.   +5 more
europepmc   +1 more source

[Mechanism of Cnidii Fructus in the treatment of periodontitis with osteoporosis based on network pharmacology, molecular docking, and molecular dynamics simulation]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Feng M, Xu X, Li N, Yang M, Zhai Y.
europepmc   +1 more source

[<i>Pingchuanning</i> Formula suppresses airway inflammation in a rat model of asthmatic cold syndrome by regulating the HMGB1/Beclin-1 axis-mediated autophagy]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Wang X, Shao X, Li T, Zhang L, Yang Q, Ye W, Tong J, Li Z, Fang X.   +8 more
europepmc   +1 more source

[Cannabidiol inhibits neuronal endoplasmic reticulum stress and apoptosis in rats with multiple concussions by regulating the PERK-eIF2α-ATF4-CHOP pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yang Y, Yang L, Wu Y, Duan Z, Yu C, Wu C, Yu J, Yang L.   +7 more
europepmc   +1 more source

[LINC00837/miR-671-5p/SERPINE2 functional axis promotes pathological processes of fibroblast-like synovial cells in rheumatoid arthritis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Cao Z, Wang Y, Wang M, Sun Y, Liu F.
europepmc   +1 more source

[Hypertension exacerbates postoperative learning and memory impairment in rats possibly due to UCP2 downregulation-mediated mitochondrial dysfunction]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Liu L, Gong M, Liao G, Zhao W, Fu Q.
europepmc   +1 more source

[Comparison of anti-inflammatory, antibacterial and analgesic activities of formulated granules <i>versus</i> traditional decoction of <i>Yinqiao</i> Powder]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Guo Z, Zhang Z, Guo X, Yang W, Liang Z, Ou J, Cao H, Lu Z, Yu L, Liu J.   +9 more
europepmc   +1 more source

[Research progress in material preparation and application of magnetism-enhanced in-tube solid-phase microextraction]. [PDF]

Se Pu
Luo YN, Chen J, Hu YY, Gao SJ, Wang YL, Liu YM, Feng JJ, Sun M.   +7 more
europepmc   +1 more source