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首頁> 外文會議>International Conference on Mechanics of Masonry Structures Strengthened with Composite Materials >Bond Behavior between Tuff and Fired-Clay Brick Masonry Blocks and SRG Composites
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Bond Behavior between Tuff and Fired-Clay Brick Masonry Blocks and SRG Composites

機(jī)譯：凝灰?guī)r和粘土磚砌體塊和SRG復(fù)合材料之間的債券行為

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This paper presents the results of single-lap direct shear tests on steel reinforced grout (SRG) strips bonded to fired-clay brick and tuff masonry blocks. For this experimental campaign, fifteen masonry blocks were constructed and reinforced with SRG composite strips. Fired-clay bricks and tuff blocks herein employed were collected from demolished historical structures in Modena and Naples (Italy), respectively. Eight out of fifteen blocks were subjected to an artificial weathering procedure to induce salt crystallization, and therefore reproduce the degradation conditions that the buildings could be subjected to during their life. Bond behavior of unconditioned strengthened specimens (i.e. SRG-masonry joints) was compared with the behavior of conditioned joints. Salt distribution, open porosity, and water absorption of brick and tuff masonry units as well as of the SRG composite matrix were analyzed to understand if and how the salt crystallization influenced the adhesion between the SRG strip and the block.
機(jī)譯：本文介紹了鋼筋加固灌漿（SRG）條帶粘合到燒制粘土磚和凝灰?guī)r砌塊塊的單圈直接剪切試驗(yàn)的結(jié)果。對于該實(shí)驗(yàn)活動，用SRG復(fù)合條構(gòu)造和加固十五架砌塊塊。在摩德納和那不勒斯（意大利）分別從拆除歷史結(jié)構(gòu)中收集了本文所用的射擊粘土磚和凝灰?guī)r塊。將十五個(gè)塊中的八個(gè)患有人工風(fēng)化程序，以誘導(dǎo)鹽結(jié)晶，因此再現(xiàn)建筑物在生命中可能進(jìn)行建筑物的降解條件。將無條件加強(qiáng)標(biāo)本（即SRG-砌體關(guān)節(jié)）的粘合行為與條件關(guān)節(jié)的行為進(jìn)行比較。分析鹽分布，開放孔隙度和磚和凝固砌體單元以及SRG復(fù)合基質(zhì)的吸水，以了解鹽結(jié)晶影響SRG條帶和塊之間的粘附性。

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