为解决花岗岩风化土大量堆存造成的环境问题,并探索其资源化利用途径,本研究旨在开发一种以花岗岩风化土为主要原料的抗冻免烧砖。以花岗岩风化土和市售P. O 525水泥为原料,采用压制法制备免烧砖,系统研究风化土掺量、养护龄期及铁元素...为解决花岗岩风化土大量堆存造成的环境问题,并探索其资源化利用途径,本研究旨在开发一种以花岗岩风化土为主要原料的抗冻免烧砖。以花岗岩风化土和市售P. O 525水泥为原料,采用压制法制备免烧砖,系统研究风化土掺量、养护龄期及铁元素对抗冻性能的影响。当风化土与水泥配比为1∶1时,制备的免烧砖28 d抗压强度达24.87 MPa,软化系数为97.12%,抗冻系数为90.66%,表明其具备优异的力学性能和抗冻耐久性。该研究为花岗岩风化土的高效资源化利用提供了可行方案,所制备的免烧砖性能指标满足建筑材料应用要求,具有显著的环保价值与推广潜力。展开更多
Our study aims at developing compatible raw compositions of earth with building materials in the desert zones,for an adequate restoration.To arrive at our objective,we developed compositions of adobes in bases of the ...Our study aims at developing compatible raw compositions of earth with building materials in the desert zones,for an adequate restoration.To arrive at our objective,we developed compositions of adobes in bases of the local raw materials(red clay of Adrar,sand of dune,the black sand and the chopped straw).The results of the mineralogical characteristics(Rx),physical(density,the humidity and the grading analysis)used raw materials,showed successful and compatible characteristics with the building materials of the Saharan Ksour.The formulations are based on compositions witnesses as reference(1 Volume of clay+2 Volume of sand+water).The objective of this study,concerns the identification of the various mechanical characteristics(mechanical resistance in the flexion and in the compression),followed by an ultrasound study(mechanism of change in front of hydric behavior),of the compatible adobe with the local building materials.展开更多
文摘为解决花岗岩风化土大量堆存造成的环境问题,并探索其资源化利用途径,本研究旨在开发一种以花岗岩风化土为主要原料的抗冻免烧砖。以花岗岩风化土和市售P. O 525水泥为原料,采用压制法制备免烧砖,系统研究风化土掺量、养护龄期及铁元素对抗冻性能的影响。当风化土与水泥配比为1∶1时,制备的免烧砖28 d抗压强度达24.87 MPa,软化系数为97.12%,抗冻系数为90.66%,表明其具备优异的力学性能和抗冻耐久性。该研究为花岗岩风化土的高效资源化利用提供了可行方案,所制备的免烧砖性能指标满足建筑材料应用要求,具有显著的环保价值与推广潜力。
文摘Our study aims at developing compatible raw compositions of earth with building materials in the desert zones,for an adequate restoration.To arrive at our objective,we developed compositions of adobes in bases of the local raw materials(red clay of Adrar,sand of dune,the black sand and the chopped straw).The results of the mineralogical characteristics(Rx),physical(density,the humidity and the grading analysis)used raw materials,showed successful and compatible characteristics with the building materials of the Saharan Ksour.The formulations are based on compositions witnesses as reference(1 Volume of clay+2 Volume of sand+water).The objective of this study,concerns the identification of the various mechanical characteristics(mechanical resistance in the flexion and in the compression),followed by an ultrasound study(mechanism of change in front of hydric behavior),of the compatible adobe with the local building materials.
