Tunnels are underground structures constructed by cylindrical boring of the rock masses with certain proportions and methods. One of these methods is the new Austrian tunnelling method (NATM). The first and most important principle of this method is to preserve the strength of the rock mass and form a supporting circle in the surrounding rock mass around the tunnel. This method enables the construction of the tunnel to be both safe and economical. This paper aims to analyse geological and geotechnical properties of the 2045-m-span T-11 tunnel, which is planned to be constructed within the scope of Turkey Burdur-Antalya high-speed railway project. In this study, the data from borings LB (Lithology Borehole)-501, TB (Tunnel Borehole)-18, CB (Cut Borehole)-19 and discontinuity measurements were used. The laboratory results of these borings were also analysed. In total, five on-site discontinuity measurements were used in Dips v5.0 to generate the required data. The acquired data was used to analyse whether the limestone will be stable or unstable in the case of tunnel boring. The results of the analysis suggest that unstabilities are not expected. Evaluation of rock masses regarding the tunnel entrance was executed. In this study, the rock masses were evaluated with only rock mass rating (RMR) calculation. In order to compute RMR values, LB-501 boring data were used to calculate the uniaxial compressive strength and average point load strength. The limestone unit of Beydaglari Formation had an RMR value of 35 and was classified as a poor rock.

隧道是通过对岩体进行一定比例和方法的圆柱形钻孔而建造的地下结构。这些方法之一是新的奥地利隧道方法（NATM）。该方法的第一个也是最重要的原理是保持岩体的强度，并在隧道周围的围岩中形成一个支撑圆。这种方法使隧道的施工既安全又经济。本文旨在分析2045米跨度的T-11隧道的地质和岩土特性，该隧道计划在土耳其Burdur-Antalya高速铁路项目范围内建设。在这项研究中，使用了镗孔LB（岩石钻孔）-501，TB（隧道钻孔）-18，CB（切割钻孔）-19和不连续性测量的数据。这些无聊的实验室结果也进行了分析。总共在Dips v5.0中使用了五个现场不连续性测量来生成所需的数据。所获得的数据用于分析在隧道掘进的情况下石灰石是稳定还是不稳定。分析结果表明，不会出现不稳定现象。对隧道入口的岩体进行了评估。在这项研究中，仅通过岩体额定值（RMR）计算来评估岩体。为了计算RMR值，使用LB-501镗孔数据来计算单轴抗压强度和平均点载荷强度。Beydaglari组的石灰岩单元的RMR值为35，被归类为不良岩石。0生成所需的数据。所获得的数据用于分析在隧道掘进的情况下石灰石是稳定还是不稳定。分析结果表明，不会出现不稳定现象。对隧道入口的岩体进行了评估。在这项研究中，仅通过岩体额定值（RMR）计算来评估岩体。为了计算RMR值，使用LB-501镗孔数据来计算单轴抗压强度和平均点载荷强度。Beydaglari组的石灰岩单元的RMR值为35，被归类为不良岩石。0生成所需的数据。所获得的数据用于分析在隧道掘进时石灰石是稳定还是不稳定。分析结果表明，不会出现不稳定现象。对隧道入口的岩体进行了评估。在这项研究中，仅通过岩体额定值（RMR）计算来评估岩体。为了计算RMR值，使用LB-501镗孔数据来计算单轴抗压强度和平均点载荷强度。Beydaglari组的石灰岩单元的RMR值为35，被归类为不良岩石。对隧道入口的岩体进行了评估。在这项研究中，仅通过岩体额定值（RMR）计算来评估岩体。为了计算RMR值，使用LB-501镗孔数据来计算单轴抗压强度和平均点载荷强度。Beydaglari组的石灰岩单元的RMR值为35，被归类为不良岩石。对隧道入口的岩体进行了评估。在这项研究中，仅通过岩体额定值（RMR）计算来评估岩体。为了计算RMR值，使用LB-501钻孔数据来计算单轴抗压强度和平均点载荷强度。Beydaglari组的石灰岩单元的RMR值为35，被归类为不良岩石。