Nowadays, concrete deterioration has become a major problem throughout the world. One of the actors that contribute to the deterioration of concrete is Alkali-silica reaction (ASR). ASR will occur when these components such as reactive silica, alkalis, and sufficient moisture are present in concrete (ACI 221.1R-98). Several ways have been applied to control or even stop ASR in concrete: such as…
air merupakan sarana utama untuk meningkatkan derajat kesehatan masyarakat. karena air merupakan salah satu media penuturan penyakit, misalnya penakit diare. supaya air yang masuk ketubuh manusia, baik berupa minuman atau makanan tidak menyebabkan pembawa bibit menyebabkan/merupakan pembawa bibit penyakit mutlak diperlukan pengolahan air. pengelolaan air yang berasal dari sumber arau dari j…
This comprehensive guide takes you step by step through every stage of the development of a water loss control program - from measuring and auditing water loss, tracking losses to their root cause, to developing a loss control program for future efficiency. This second edition brings innovative approaches with information on new modeling methods and best practices advocated by the American Wat…
Covering technical principles and practical applications, this comprehensive resource explains how to design and construct sound and sustainable decentralized wastewater sys-. terns of varying sizes and in differing geophysical conditions. Planning and Installing Sustainable Onsite Wastewater Systems covers state-of-the-art techniques, materials, and industry practices, and provides detailed ex…
Kira-kira 60-70% dari berat tubuh manusia terdiri dari air. Demi kelangsungan hidup, tubuh manusia memerlukan air yang banyaknya tergantung berat badan. Untuk orang dewasa kira-kira memerlukan air 2.200 gram setiap harinya (WOLF). Jadi, apabila tubuh kekurangan air akan mengakibatkan kematian. Wah, betapa berharganya air! Kualitas air yang diperlukan untuk minum dan keperluan lainnya, mutlak…