Application of Strong Compaction Method in Foundation Treatment of Airport Runway

2021 ◽  
Keyword(s):  
Foundation Treatment ◽  
Airport Runway ◽  
Compaction Method

Application on the Artificial Filling Foundation Treatment for Housing Construction Project in Mountain Highway

2014 ◽  
Vol 529 ◽  
pp. 755-758
Author(s):  
A Ling Zhang ◽  
Dan Ni Qi
Keyword(s):  
Construction Project ◽  
Dynamic Compaction ◽  
Housing Construction ◽  
Treatment Methods ◽  
Replacement Method ◽  
Foundation Treatment ◽  
Highway Facilities ◽  
National Investment ◽  
Compaction Method

Along with large national investment in infrastructure construction, the mileage of the highway, which is one of the infrastructures, has increased year by year. There are many kinds of artificial filling foundation treatment methods for housing construction project in mountain highway facilities. This paper, combined with the engineering example, focuses on the dynamic compaction method and the replacement method.

Application Research on Dynamic Compaction Replacement Pier Foundation Treatment Methods

2013 ◽  
Vol 353-356 ◽  
pp. 482-485
Author(s):  
Yong Shou Yang ◽  
Bin Xin Li
Keyword(s):  
Low Cost ◽  
Dynamic Compaction ◽  
Treatment Technology ◽  
Construction Time ◽  
Time Saving ◽  
New Approach ◽  
Analysis And Evaluation ◽  
Foundation Treatment ◽  
Plastic Clays ◽  
Compaction Method

The dynamic compacted replacement pier technique is a new ground-treatment technology, which developed from the dynamic consolidation method. It can be used for the improvement in high-saturated silts and soft plastic to flow plastic clays, which cannot be treated using dynamic compaction method. T his new approach has many advantages, such as its simple equipment, significant reinforcing effects, construction time-saving, low-cost, no requirement of dewatering, and etc. In this paper, combined with engineering examples, according to analysis and evaluation of the monitoring results, it is feasible to adopt dynamic compaction replacement pier in uneven thickness hard plastic silt-clay foundation. Concrete-gravel dynamic compaction replacement pie can enhance the bearing capacity of pier and compound foundation. It provides a practical basis to expand the application scope of dynamic compaction replacement foundation treatment and enrich this technology.

Application Research of the Dynamic Compaction Method with Precipitation in Foundation Treatment Dredger Fill

2012 ◽  
Vol 226-228 ◽  
pp. 1111-1114
Author(s):  
Fei Xuan ◽  
Chao Qun Peng ◽  
Yan Jia
Keyword(s):  
Field Testing ◽  
Dynamic Compaction ◽  
Application Research ◽  
Testing Scheme ◽  
Foundation Treatment ◽  
Dredger Fill ◽  
Compaction Method

In the view of the actual project, this paper analyses the credit problems of the foundation treatment, from the three aspects of the location, the shallow blow fill and the pile’s negative firctio- n. Then this paper especially studies the field testing scheme about the dynamic compaction method with precipitation, based on the analysis of the percussive compaction method with precipitation, the dynamic compaction method with precipitation and packless vibroflotation method. Meanwhile, the operated steps and the attention of the construction have been enucleated.

Risk Analysis of Shrink and Expansion for Expansive Soils and Improved Expansive Soils in the Xinqiao Airport Runway of Hefei

2011 ◽  
Vol 90-93 ◽  
pp. 1307-1312 ◽  
Author(s):  
Ming Wu Wang ◽  
Shuai Qin ◽  
Peng Hua
Keyword(s):  
Risk Analysis ◽  
Stochastic Simulation ◽  
Fuzzy Numbers ◽  
Expansive Soils ◽  
Treatment Plan ◽  
Simulation Method ◽  
Triangular Fuzzy Numbers ◽  
Analysis Model ◽  
Foundation Treatment ◽  
Airport Runway

Risk analysis of shrinking and swelling of expansive soils and improved expansive soils with lime (IESL) for airport runway projection is a complex uncertainty problem. To select the rational foundation treatment plan and ensure the safe operation of runway, herein combined with the features of expansive soils in the runway area of Xinqiao international airport of Hefei, a novel risk analysis method was proposed to classify shrinkage and swell of expansive soils and IESLs by means of coupling set pair analysis with stochastic simulation of triangular fuzzy numbers. A function of six elements connection number was introduced to depict hierarchy and fuzziness of membership between the evaluation sample and the classification standard. Moreover, triangular fuzzy numbers simulated by a stochastic simulation method were presented to specify the component coefficients of discrepancy degree. Then a risk analysis model was described to calculate reliable degree corresponding to a confidence interval. Finally, comparisons of shrinkage and swell for foundation treatment plans of different lime content were conducted. The results will provide basis for the risk design and risk management of runway project on the expansive soils.

Program Design of Soft Foundation Treatment for an Accommodation Highway

2015 ◽  
Vol 744-746 ◽  
pp. 1277-1282
Author(s):  
Bi Hong Song ◽  
Chun Ming Wang ◽  
Jian Hua Chen ◽  
Cong Han ◽  
Wei Wei Zhu
Keyword(s):  
Survey Data ◽  
Treatment Effect ◽  
Program Design ◽  
Dynamic Compaction ◽  
Treatment Programs ◽  
Foundation Treatment ◽  
Soft Foundation ◽  
Compaction Method ◽  
Construction Periods

Survey data show the problem of weak foundation existing in an accommodation highway. There are many methods to treat the soft foundation, and different methods have different expenses, effects and construction periods. Through the deep comparison of four foundation treatment programs, dynamic compaction method is taken for the design, and the detection result shows that the treatment effect reaches the engineering requirements.

Experimental Study of Engineering Behaviors on Improved Expansive Soils in the Xinqiao Airport Runway of Hefei

2011 ◽  
Vol 261-263 ◽  
pp. 1329-1335 ◽  
Author(s):  
Ming Wu Wang ◽  
Kang Ge ◽  
Da Rong Zhu
Keyword(s):  
Expansive Soils ◽  
Expansive Soil ◽  
Field Tests ◽  
Swelling Pressure ◽  
Soil Response ◽  
Foundation Treatment ◽  
Design Requirements ◽  
The Mean ◽  
Airport Runway ◽  
Better Than

Foundation treatment of expansive soils is a complex worldwide problem. Herein engineering behaviors of expansive soils and improved expansive soils with lime (IESL) in the runway area of Xinqiao international airport of Hefei were investigated by means of laboratory experiments and field tests. It was concluded that the expansive soils of mean plasticity index 24.2, and optimum moisture content of 16% in the engineering area, behaved weak and medium expansive potential. The plastic index of improved expansive soil of 7% lime mixed indoor and of 8% lime incorporated on site dropped to 20 and 13. At the same time, the free swelling ratios of IESL reduced up to 6.31 % and 3% relative to 46.5% of expansive soil, and the swelling pressure also decreased from 67.5 kPa to 4.05 and 11.28 kPa, respectively. The mean unconfined compression strength of improved expansive soil of 7 % lime on site was 853 kPa, 71% stronger of that of expansive soils. And the soil response modulus was up to 235.2 MN/m3, 9 times of expansive soils. It was also found form the immersion tests on site that the swell value of IESL was only 30% at most of expansive soils at the same depth. These results indicate that the compacted IESLs have a good bearing capacity, strength and water stability, so the engineering behaviors of IESLs are much better than those of expansive soils, and prove that the modification plan, expansive soils incorporated 7% lime on site could meet the design requirements.

scholarly journals The model and simulation of low impact development of the sponge airport, China

2019 ◽  
Vol 20 (2) ◽  
pp. 383-394 ◽  
Author(s):  
Jing Peng ◽  
Jiayi Ouyang ◽  
Lei Yu ◽  
Xinchen Wu
Keyword(s):  
Flood Control ◽  
Low Impact Development ◽  
Water Environment ◽  
Drainage System ◽  
Practical Significance ◽  
International Airport ◽  
Model And Simulation ◽  
Impervious Area ◽  
Before And After ◽  
Airport Runway

Abstract Recently urban waterlogging problems have become more and more serious, and the construction of an airport runway makes the impervious area of the airport high, which leads to the deterioration of the water environment and frequent waterlogging disasters. It is of great significance to design and construct the sponge airport with low impact development (LID) facilities. In this paper, we take catchment N1 of Beijing Daxing International Airport as a case study. The LID facilities are designed and the runoff process of a heavy rainfall in catchment N1 is simulated before and after the implementation of LID facilities. The results show that the total amount of surface runoff, the number of overflow junctions and full-flow conduits of the rainwater drainage system in catchment N1 of Beijing Daxing International Airport are significantly reduced after the implementation of the LID facilities. Therefore, the application of LID facilities has greatly improved the ability of the airport to remove rainwater and effectively alleviated the risk of waterlogging in the airport flight area. This study provides theoretical support for airport designers and managers to solve flood control and rainwater drainage problems and has vital practical significance.

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