| 1. | 2 . the conformation , craft , construction organization of ccsn , the measure of foundation pit safety and quantity guarantee are summarized
( 2 )总结了锚管桩复合土钉支护的构造、工艺、施工组织、基坑安全及质量保证措施。 |
| 2. | 3 . studied the work mechanism of ccsn , the model of stability analysis of ccsn is established and examined by analysis engineering case
( 3 )研究了锚管桩复合土钉支护机理，建立了锚管桩复合土钉支护稳定性分析模型，并对工程实例进行计算分析，检验了分析模型。 |
| 3. | Main research contents as follows : 1 . producing and development of ccsn are introduced . the advantage and the localization of the ccsn are pointed out
主要研究内容如下： ( 1 )阐述了锚管桩复合土钉支护的产生和发展，指出了锚管桩复合土钉支护的优点及局限性。 |
| 4. | 5 . the behaviors of ccsn are studied , and the optimizing of ccsn ' s designed parameter is analyzed . the suggestions of ccsn ' s designed parameter are brought upped
( 5 )研究了锚管桩复合土钉支护性状，分析了锚管桩复合土钉支护设计参数的优化，提出了土钉与板桩设计参数的建议值。 |
| 5. | But up to now the ccsn ' s work mechanism and stability study is a blank . there are no calculation analysis methods for ccsn and the design of it main depends on experience
但是锚管桩复合土钉支护的工作机理和稳定性研究至今尚是空白，没有相应的计算分析方法，设计主要依靠经验进行。 |
| 6. | 6 . the method of stability analysis of ccsn is established and the software of the method , which is named mgzs , is developed . an engineering case is analyzed by the method
( 6 )建立了锚管桩复合土钉支护稳定性分析方法，编制了锚管桩复合土钉支护稳定性分析程序mgzs ，并对工程实例进行了计算分析。 |
| 7. | 4 . the orthogonal experiment method is applied in the analysis of foundation pit . some factors , which influence the stability of ccsn , are studied and sensitivity rules of each factor are gotten
( 4 )将正交试验法引入基坑工程分析，研究了11种因素对锚管桩复合土钉支护稳定状态的敏感性，得到了各因素对支护结构稳定性的影响规律。 |
| 8. | Channel - steel - pile composite soil nailing ( ccsn ) is a new bracing structure of foundation pit , which was developed by cai changbin in 2000 . in recent years , ccsn has been used widely in the region of wenzhou , taizhou . . . etc , and has obtained good economic performance and social performance
锚管桩复合土钉支护是蔡昌斌开发的一种新型基坑支护形式，近年来已在温州、台州等地区得到广泛应用，取得了良好的经济效益和社会效益。 |
| 9. | The behind schedule theories research obstructs the ccsn ' s further development . on the soil nailing and compound soil nailing research foundation , according to ccsn present research condition and the engineering effective demand , the stability of ccsn is studied systematically by methods of theories research , orthogonal experiment research and case research . some beneficial results of the ccsn ' s mechanism and behaviors are gotten and the analysis model and method of ccsn ' s stability are established
在前人对土钉及复合土钉研究基础上，根据目前锚管桩复合土钉支护的研究现状和工程实际需要，采用理论研究、正交试验研究、工程实例研究相结合的方法，对锚管桩复合土钉支护稳定性进行了系统全面的分析和研究，得到了锚管桩复合土钉支护机理及性状的一些有益成果，建立了锚管桩复合土钉支护稳定性分析模型与方法。 |
