剪膨脹與應變硬化。濕噴法結果亦與前述研究成果相同。實驗室內慣 以 MT 法製作三軸試體，藉以評估現地土壤性質，以試體製作方法對 麥寮砂試驗結果影響甚巨的角度來看，過去對台灣砂土的研究（變形 性與穩定性分析等），可能與現地實際情況不符，可能因此而對實際 情況有了錯誤的判斷。
5.2 建議
從試驗結果當中可以了解，濕噴法目前最大的缺點在於控制試體緊密 度。目前可預見而有助於控制緊密度的後續研究可以從濕振法（Wet Vibration）的緊密法開始著手。如 Tatsuoka et al.（1986）所做，首先 必須先量化（標準化）敲擊的能量接著以足夠多的試驗量來釐清孔隙 比的減少與敲擊的數（能）量之間的關係。如此一來或可對緊密化有 更近一步的認識，以利濕噴法的完備。
其次，數據雖然顯示出一些正向的結果，如濕噴法試體細料分布之均 勻性。但濕噴法本意是應用在大型標度槽試體的製作方法，在孔隙比 上的均勻性是否不佳等情況仍有待後續大型試驗來驗證；於緊密程度 與細料分布上都應具備一定水準才算是合適的製作法。得到再確認的 濕噴法於操作概念/儀器上應用於大型試體的製作具有相當的發展空 間。
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