糯米浆温度对糯米灰浆加固遗址土的影响

doi:10.13722/j.cnki.jrme.2017.0437

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摘要

糯米灰浆在我国土遗址修复中有着巨大的应用前景。糯米浆的温度对糯米灰浆加固遗址土的效果有一定影响。试验从温度的角度出发来寻找煮糯米浆的控制指标，目的在于节约时间同时获得具有显著加固效果的糯米浆。试验从硬度、纵波波速、无侧限抗压强度三方面说明糯米浆温度在75 ℃～80 ℃范围时糯米灰浆加固遗址土的效果相对较好；当糯米浆浓度为6%时，改良遗址土样的硬度、纵波波速、无侧限抗压强度的值均相对较大；在自然条件下养护5 d时，土样表面硬度值基本趋于稳定。最后结合糯米浆的黏度、化学物理作用等方面对试验现象进行了合理解释。

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	谌文武1
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关键词 ：土力学, 糯米灰浆, 遗址土, 硬度, 纵波波速, 无侧限抗压强度

Abstract：

Sticky rice-lime mortar has great application potential in repairation of Chinese heritage sites. The reinforcement of site soil has been certain influenced by the temperature of glutinous rice slurry. Therefore from the temperature point，the control index of making glutinous rice slurry is investigated. The aim is to save time and gain the desired glutinous rice slurry with obvious reinforcement effect. From the aspects of hardness，longitudinal wave velocity and unconfined compressive strength，the performance of site soil reinforced by glutinous rice slurry can be superior between 75 ℃ and 80 ℃. When the concentration of glutinous rice slurry equals to 6%，the reinforced site soil has larger hardness，longitudinal wave velocity and unconfined compressive strength. Cured five days under natural environment，the hardness of sample surface basically tends to be stable. Finally，based on the viscosity，physical and chemical property of glutinous rice slurry，the test results has been explained reasonably.

Key words： soil mechanics sticky rice-lime mortar site soil hardness longitudinal wave velocity unconfined compressive strength

引用本文:

谌文武1，2，张起勇1，2，刘宏伟1，2，杨朋朋1，2. 糯米浆温度对糯米灰浆加固遗址土的影响[J]. 岩石力学与工程学报, 2017, 36(S2): 4244-4250.
CHEN Wenwu1，2，ZHANG Qiyong1，2，LIU Hongwei1，2，YANG Pengpeng1，2. Influence of temperature on glutinous rice slurry strengthening site soil by sticky rice-lime mortar. , 2017, 36(S2): 4244-4250.

链接本文:

https://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2017.0437 或 https://rockmech.whrsm.ac.cn/CN/Y2017/V36/IS2/4244

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