Год выпуска: 2011 Автор: Engr. Muhammad Shahid and Dr. RAJA RIZWAN HUSSAIN Издательство: LAP Lambert Academic Publishing Страниц: 84 ISBN: 9783845471594
Описание
Sustainable development is gaining recognition around the globe these days. Governments are under pressure, on many fronts, to drive in sustainable development in policies, practice, and operations to secure the planet’s future. Adding to this, increased populations, and the need for more infrastructures, have unfortunately led to the unacceptable depletion of raw materials, increasing amounts of construction waste and increased deterioration of the natural environment in many places worldwide. Demolition of existing concrete structures produces a massive quantity of Recycled Aggregate (RA). RA mainly composed of two materials of different nature: natural aggregate and bonded mortar. Presently, due to lack of confidence on the quality and properties of RA, it is being used in low-quality concrete, sub-grade applications and as filling material. Literature shows that Bonded Mortar Content (BMC) is responsible for higher water absorption and porosity of RA. Consequently, it is necessary...
Предзащиту прошла!) ура! Сказали там исправить некоторые вещи! Но я попробую сама! Вроде ничего серьезного. Сейчас отправила преподу на проверку! Сказал вечером проверит. Спасибо что успели переделать!