• 作者： MOHAMMAD GOLAM ALI; ALAMGIR HABIB
• 作者服務機構： 巴林國巴林研習與研究中心房屋研究部; 孟加拉國達卡市孟加拉工技大學土木工程學系
• 中文摘要： 本文報導十枝簡支深梁在梁頂面加均佈載重的試驗結果。深梁是鋼筋混凝土造，但是粗骨材不用石頭，而用碎磚。研究顯示增加腹筋量並不能提高極限載重強度，但有助於增大斜裂載重。試驗結果顯示有些計算強度的方法，包括ACI規範偏向保守，有些則反之。據此本文提出修改強度計算法的初步建議，希望有助於將來相關規範的修訂工作。
• 英文摘要： Tests of ten simply supported reinforced concrete deep beams with crushed brick as coarse aggre-gate are reported. The loading was a uniformly distributed load applied at the top surface. It is found thatthe amount of web reinforcement influences only the diagonal cracking load, not the ultimate loadcapacity. It is also found that some of the available methods for predicting ultimate load capacity of deepbeams, including the recommendations of the ACI Code are conservative, whereas the others are unconser-vative. Some tentative suggestions regarding modifications of the existing methods for ultimate loadcomputation are reported with the hope that these may aid any future attempt to adapt the ACI Codeprovisions regarding deep beams where such beams are subjected to uniform loading.
• 中文關鍵字： distributed loading; deep beams; reinforced concrete; shear strength; web reinforcement; cracking; failure; brick aggregate
• 英文關鍵字： --