https://drive.google.com/file/d/1UCCX-psjPu1lTWHOMoPXjyZrk-NnJYo9/view?usp=sharing
一直希望用漫長的學習人生去慢慢一個個structural calculation excel 整出來，整教學和公式的根據。 希望而家職位低微唔會令我放棄呢個興趣。
石矢lap length
取決因素:
steel bar strength
Under tension or compression
concrete strength
根據steel bar 和 石矢的接觸面愈大,黏力愈大
steel bar接觸面的formula 係: 2R*PI()*Length
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Tuesday, January 7, 2020
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原創 膠樽是很好的惰性物料，在無日曬下會十分耐用。 只要有工廠或機械自動裝沙機入膠樽， 那它可以當作為一定高度的檔土牆物料， 以減小石矢物料， 或，由於應該較少泥的特質， 所以作為擋土牆回填時的物料會減輕擋土牆的設計loading. 又或者室內批盪做間牆的... -
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waffle slab RC wall
原創 膠樽是很好的惰性物料，在無日曬下會十分耐用。 只要有工廠或機械自動裝沙機入膠樽， 那它可以當作為一定高度的檔土牆物料， 以減小石矢物料， 或，由於應該較少泥的特質， 所以作為擋土牆回填時的物料會減輕擋土牆的設計loading. 又或者室內批盪做間牆的...
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