难度升级

<p style="line-height:150%"><span style="font-family:&#39;Times New Roman&#39;;font-size:16px">1.&nbsp;</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">某一场地填土</span>1000</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">立</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">方米</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">，</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">土方来源为附近土丘</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">，</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">经勘察土粒比重</span> ds=2.7</span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">，</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">含水量</span>w=15%<span style="font-family:宋体">，天然重度</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:Times New Roman">γ</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px">=19</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px">.</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px">4KN/m3</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">，要求填土碾压后含水量</span></span><em><span style="font-family: 宋体;line-height: 150%;font-size: 16px"><span style="font-family:Times New Roman">w</span></span></em>_{<span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px;vertical-align:sub">1</span>}<span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px">=17%<span style="font-family:宋体">，干重度</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:Times New Roman">γ</span></span>_{<span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px;vertical-align:sub">d</span>}<span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px">=17.6KN/m3</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">，问</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">：</span></span></p><p style="line-height:150%"><span style="font-family:&#39;Times New Roman&#39;;font-size:16px">(1)&nbsp;</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">取土场地土的干重度</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">、</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">孔隙比、饱和度各为多少</span>?</span></p><p style="line-height:150%"><span style="font-family:&#39;Times New Roman&#39;;font-size:16px">(2)&nbsp;</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">需从取土场地开采多少</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">土方？</span></span></p><p style="line-height:150%"><span style="font-family:&#39;Times New Roman&#39;;font-size:16px">(3)&nbsp;</span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">填土碾压时还需洒</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">多</span></span><span style=";font-family:&#39;Times New Roman&#39;;line-height:150%;font-size:16px"><span style="font-family:宋体">少水</span>?</span></p><p><br/></p>