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A:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">留矿法</span>
B:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">全面法</span>
C:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">导坑施工法</span>
D:<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">台阶工作面法</span>
<p class="MsoNormal" style="LINE-HEIGHT: 150%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN">地质条件复杂，岩层软弱或断面过大的硐室，为了保证施工安全，或解决出矸问题往往采用（<span style="mso-spacerun: yes"> </span>）。</span><span style="FONT-FAMILY: 宋体; LINE-HEIGHT: 150%; mso-ansi-language: ZH-CN; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p><p class="MsoNormal" style="LINE-HEIGHT: 150%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="FONT-FAMILY: 宋体; LINE-HEIGHT: 150%; mso-ansi-language: ZH-CN; mso-bidi-font-size: 10.5pt"></span></p>
A:<span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN">全断面施工法</span>
B:台阶工作面施工法
C:导硐法施工
D:<span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN">留矿法</span>
<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 21pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-bidi-font-size: 10.5pt"><font size="3">在进行喷射混凝土支护时，喷头与受喷面垂直时，回弹率最低。<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><font size="3"><span style="mso-spacerun: yes"> </span>喷射混凝土配合比的选择，应满足强度及喷射工艺要求，一般配合比<span lang="EN-US">(</span>重量比<span lang="EN-US">)</span>为<span lang="EN-US">l</span>：<span lang="EN-US">2</span>：<span lang="EN-US">1(</span>水泥：砂：石子<span lang="EN-US">)</span>或<span lang="EN-US">1</span>：<span lang="EN-US">2</span>：<span lang="EN-US">2</span>。<span lang="EN-US"><span style="mso-spacerun: yes"> </span></span>（<span lang="EN-US"><span style="mso-spacerun: yes"> </span></span>）<span lang="EN-US"><o:p></o:p></span></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><font size="3">放炮母线要妥善地挂在巷道的侧帮上，并且要和金属物体、电缆、电线离开一定距离；<span lang="EN-US"><span style="mso-spacerun: yes"> </span></span>（<span lang="EN-US"><span style="mso-spacerun: yes"> </span></span>）<span lang="EN-US"><o:p></o:p></span></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3">蟹爪装岩机不仅适应于水平巷道装岩，也可用于倾斜巷道和弯道装岩。<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3">岩石的坚固性系数越小，炸药消耗量也越小，反之则越大；弹性大的岩石的炸药消耗量小，而脆性岩石则较大。<span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">提升钢丝绳是提升设备的主要部件，它不仅要负担吊罐本身以及所提升的人员、设备等全部重量，同时还要考虑卡帮、过卷时不被提升绞车拉断。</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman","serif"; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes"> </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">（ ）</span>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 1.15pt 0pt 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-para-margin-right: .11gd"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在吊罐法掘进天井之前，在上下中段开凿硐室工作可以滞后于安装设备、准备作业地点和放炮时便于吊罐避炮。</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</span><font face="Times New Roman"> </font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</span></font></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3">合理的炮眼深度应该是钻眼效率较高、爆破效果好、炮眼利用率高，有利于实现正规循环作业，有利于提高掘进速度和降低生产成本。<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">喷射混凝土的适宜水灰比为0.3～0.45。<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）</span>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">游动绞车的最大特点是，它本身装有两对行走车轮，在吊罐升降时，绞车是固定的。（</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">）</span>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">采用吊罐掘进天井，就可以利用中心孔加强通风，有利于缩短通风时间。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-bidi-font-size: 12.0pt; mso-ansi-language: EN-US; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">（ ）</span>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ansi-language: ZH-CN; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">木支架一般可用于地压不大，巷道服务年限不长，断面较小的采区巷道里，有时也用作巷道掘进中的临时支架。（）</span>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><span style="mso-spacerun: yes"> </span>金属模板具有强度小，易变形，不易修复，复用率低等缺点（）</span>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 1.15pt 0pt 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-para-margin-right: .11gd"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3">普通法掘进天井效率低于吊罐法掘进天井。<span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span>（ ）<o:p></o:p></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt; LINE-HEIGHT: 115%; mso-layout-grid-align: none"><span style="LINE-HEIGHT: 115%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3"><span style="mso-spacerun: yes"> </span>喷射混凝土与岩石的粘结在一起，能阻止松散岩块从顶板上垮落下来，提高了岩体的抗剪拉能力；<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN-LEFT: 35.7pt; TEXT-INDENT: -14.7pt; LINE-HEIGHT: 115%; mso-layout-grid-align: none; mso-char-indent-count: -1.4; mso-para-margin-left: 2.0gd; tab-stops: 36.0pt"><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN">导坑法施工的优点是由于分部施工，故与全断面法，台阶工作面法相比，施工效率</span><span style="FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN"><o:p></o:p></span></p><p class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -36pt; LINE-HEIGHT: 115%; mso-layout-grid-align: none; tab-stops: 36.0pt"><span style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN">高。</span><span style="LINE-HEIGHT: 115%; FONT-FAMILY: 宋体; mso-ansi-language: ZH-CN; mso-bidi-font-size: 10.5pt"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></span></p>
A:错误
B:正确
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes"> </span>斜井水沟断面通常比平巷水沟断面大得多，且一般都用混凝土浇灌。</span>
A:错误
B:正确
<p class="MsoNormal" style="MARGIN: 0cm 1.15pt 0pt 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-para-margin-right: .11gd"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ansi-language: ZH-CN"><font size="3">混凝土的标号用以表示混凝土强度的等级。<span style="mso-spacerun: yes"> </span>（<span style="mso-spacerun: yes"> </span>）<o:p></o:p></font></span></p>
A:错误
B:正确
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发表于 2020-8-8 18:58:44
