PDF(Pubmed)
Abstract：
The validation of a feasible application for the production of sustainable bricks with local materials in humid and hot climates, which would allow the current housing needs of a constantly growing population with scarce economic resources to be met while also reducing energy inputs for climate control, is a current challenge without a definitive solution. Therefore, this research studied the incorporation of local aggregates and two second-generation materials to produce lime-stabilized Compressed Earth Blocks (CSEBs) using a semi-automatic machine for their manufacture. An initial matrix was designed as a baseline, and three more were developed with variations to incorporate second-generation materials individually and as mixtures. The stabilizer was added in concentrations of 5, 10, and 15%, resulting in a total of 12 batches of CSEBs. Eleven of the studied batches exceed the normative limits for simple compressive strength and initial water absorption coefficient. The best result of simple compressive strength was obtained in two batches of the same matrix that used construction demolition waste (CDW), reaching 4.3 MPa (43% above the minimum limit established by the most restrictive regulations and 115% above the least restrictive). It was possible to produce sustainable bricks in situ with average ambient temperatures of 32 °C and relative humidity of 91%.
摘要：
验证在潮湿和炎热的气候中使用当地材料生产可持续砖的可行应用，这将使经济资源稀缺的不断增长的人口目前的住房需求得到满足，同时还减少了气候控制的能源投入，是当前的挑战，没有明确的解决方案。因此,这项研究研究了使用半自动机器制造当地骨料和两种第二代材料的方法，以生产石灰稳定的压缩土块（CSEB）。初始矩阵被设计为基线，开发了另外三个变体，以单独和混合方式纳入第二代材料。稳定剂的添加浓度为5％，10％和15％，共产生12批CSEB。所研究的批次中有11个超过了简单抗压强度和初始吸水率的规范限值。在使用建筑拆除废料（CDW）的同一基质的两批中，获得了简单抗压强度的最佳结果，达到4.3MPa（高于最严格的法规规定的最低限值43％，高于最低限制性法规的115％）。可以原位生产可持续的砖，平均环境温度为32°C，相对湿度为91％。
