题目内容
某山区地基，地面下2m深度内为岩性相同，风化程度一致的基岩，现场实测该岩体纵波速度为2700m/s，室内测试岩块纵波波速为4300m/s，从现场取6个试样进行饱和单轴抗压强度试验，得到饱和单轴抗压强度平均值为13.6MPa，标准差5.59MPa，试计算2m深度基岩地基承载力特征值。
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某高层建筑，地上25层，地下2层，采用筏板基础，底面尺寸30m×25m，板厚2.45m，竖向荷载Fk=3×105kN，基础埋深6.0m，地下水位-5.0m，土层分布：0～2m填土，γ=15kN/m3；2～10m粉土，γ=17kN/m3；10～18m黏质粉土，γ=19kN/m3；18～26m粉土，γ=18kN/m3；26～35m为卵石，γ=21kN/m3。混凝土γ=24.5kN/m3。试求：（1）基底平均压力；（2）基底附加压力；（3）在22m取土进行压缩试验，试验最大压力；（4）φ=20°，ck=15kPa，计算地基承载力特征值。
合同约定由债务人甲向第三人乙履行交货义务，甲在所交货物的质量不符合合同约定时，应当向乙承担违约责任。( )
2002年5月5日，中国一架从沈阳飞往上海的民航客机被张××等六人持枪劫持到韩国的春川机场。中国请韩国立即将被劫持的飞机及机组人员和乘客交给中国民航当局，并将劫机犯引渡给中国处理。韩国将飞机、机组人员和乘客送还了我国，但拒绝引渡劫机犯，而坚持由其自行决定审讯和实施法律制裁。2002年6月1日，韩国汉城地方检察院以违反韩国《航空安全法》、《移民管制法》和《武器及爆炸物品管制法》对六名劫机犯提起诉讼。汉城地方刑事法院经审判，分别判处其6、4、2年徒刑。 请根据《海牙公约》的规定，张××等几名罪犯所犯罪行是__________。
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