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为了研究钢框架-型钢混凝土（SRC）自复位墙板结构的抗震性能，完成了钢框架-自复位SRC墙板子结构模型的低周往复加载试验，以研究其工作机理和失效机制。提出了基于宏观单元的非线性分析模型，并利用试验结果验证模型的准确性，研究结果表明该非线性分析模型能较好地模拟自复位SRC墙板的非线性行为。分别建立6层和15层钢框架-自复位SRC墙板结构的整体模型并进行增量动力时程分析（IDA）。以地面峰值加速度为地震动强度指标，以最大层间位移角为损伤指标，根据IDA结果得到不同极限状态下的易损性曲线，建立地震易损性矩阵，并对不同极限状态下结构的损伤风险进行了评估，研究表明：6层和15层钢框架-自复位SRC墙板结构在50年内的倒塌概率分别为0.138%和0.095%，远小于FEMA 750规定的1%，由此可见，钢框架-自复位SRC墙板结构抗震性能较好，并具备良好的抗地震倒塌能力。

Copyright of Journal of Aeronautical Materials is the property of Editorial Board of Journal of Aeronautical Materials and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Materials Engineering / Cailiao Gongcheng is the property of Journal of Materials Engineering Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In order to investigate the effects of different synthesis conditions on the micro-structures and macro-properties of MOFs, two metal-organic frameworks (MOFs) {[Cu2(L)2 · C2H3N]}n(1) and {[Cu(HL)2]}n(2) were prepared by using the copper sulfate (CuSO4·5H2O) and 6-(pyridin-3'-yl)isophthalic acid (H2L) as the building units under the different reaction conditions. Compound 1 and 2 were fully studied through structure analysis, thermogravimetric analysis (TGA) and FT-IR spectroscopy. Single crystal data reveals that compound 1 and 2 crystallize in the monoclinic crystal system with the P21/c space group. Structure analysis indicates that compounds 1 shows a three-dimensional dense packing structure based on the secondary building units dinuclear paddle wheel shaped [Cu2(COO)4] (SBUs). Structure analysis reveals that compounds 2 shows a 2D layer structure,which was further connected by the hydrogen bonds [O3—H…O4] to give a 3D network. Topological analysis for compounds 1 and 2 show that 1 can be simplified as a two connect rtl network with the point symbol of (4².610.8³),and 2 can be viewed as a unnodol connect sql network with the point symbol of (44.6²). In order to study the properties of the compounds 1 and 2 in aqueous solution, three different dyes were used to characterize the dye degradation properties of 1 and 2 using ultraviolet/visible spectroscopy (UV) at the same time. The degradation properties of compounds 1 and 2 on different dyes at the same time intervals show that compound 2 shows a certain chemical adsorption and degradation ability for malachite green in aqueous solution. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Materials Engineering / Cailiao Gongcheng is the property of Journal of Materials Engineering Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Materials Engineering / Cailiao Gongcheng is the property of Journal of Materials Engineering Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Materials Engineering / Cailiao Gongcheng is the property of Journal of Materials Engineering Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Although the failure properties of rock/rock-like specimens with flaws under uniaxial compression have been studied in many cases，those properties of specimens with X-type flaws under uniaxial tension have not been researched yet.In this research the crack coalescence and strength properties were studied with rock-like material specimens containing two overlapped X-type flaws under uniaxial tension tests.The testing results were compared with uniaxial compression results of specimens containing corresponding flaws.The study results show that the failure and coalescence modes of specimens with two overlapped X-type flaws under uniaxial tension tests are different from those with specimens under uniaxial compression tests.There is no crack coalescence at the rock bridge areas of specimens containing two overlapped X-type flaws under uniaxial tension tests.The position of the secondary flaw influences the strength of specimens containing two overlapped X-type flaws under uniaxial tension tests.The specimen with a second flaw vertical to the maximum tension stress has the lowest tension strength among specimens with two overlapped X-type flaws under uniaxial tension tests.The tension strength of the specimen with a second flaw parallel to the maximum tension stress is the highest one among the specimens with two overlapped X-type flaws under uniaxial tension tests. [ABSTRACT FROM AUTHOR]

The existing supporting materials and technology are difficult to support the deep soft rock with large deformation. In order to overcome this support problem, in this study, a new type of high pre-stressed anchor cable and its supporting technology are developed based on theoretical analysis and laboratory tests. Initial pre-stress applied on the new type of anchor cable can reach 70-100 kN, and the elongation of the rod body can reach 10%-12%, which can effectively prevent the rapid deformation of the surrounding rock after excavation and maintain the integrity and stability of the surrounding rock. The new type of anchor cable has the advantages of low cost, high strength, and not easy to loose, etc. According to the deformation characteristics and mechanism of the surrounding rock in typical deep soft rock roadways, the combined control techniques with the core of new high pre-stressed anchor cable and grouting bolt are proposed. The new high pre-stressed anchor cable, metal mesh, concrete spray layer are used during primary support. Full-sectional grouting is adopted in a later period, which improves the support strength fundamentally by combining with interior and exterior. The research results show that this new technology can effectively improve the bolt stress, reduce the deformation rate of the surrounding rock and shorten the deformation time of the surrounding rock based on field tests. The finally deformation of the surrounding rock accounts for only 30% of the original supporting scheme, and the anchor cable force increases by nearly 4.7 times on average. This study achieves a good supporting effect and has an important application value. [ABSTRACT FROM AUTHOR]