According to the situation that the map cracking appears in some fill section in the first stage construction of the connecting line of bay bridge in Zhanjiang City, this paper makes the experimental analysis on it and advances some corresponding measures.

1、

Fatigue Crack occurs under repeated action of load, features map cracking with longitudinal crack ( generally deformation is not distinguished), and occurs mainly late in the service life of pavements.

荷载作用产生的裂纹主要是指荷载反复作用引起的疲劳裂纹。

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2、

On the Reasons of the Map Cracking in Exterior Emulsion Varnish Wall and the Prevention

浅议外墙乳胶漆墙面龟裂原因及防治

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3、

Design of high temperature and high pressure pipe in cracking furnace

裂解炉高温及高压管线的设计

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4、

Analysis and Improvement of Process Flow Simulation System Special for Cracking Furnace

裂解炉专用流程模拟系统的剖析及改进

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5、

In this paper, the above model to establish the method of calculation and analysis of the cracking furnace is a highly sophisticated industrial equipment, sensitive to earthquakes, several structural forms of modal simulation.

本文通过上述模型建立方法，对裂解炉的内力、模态、抗震性能等进行了计算和分析。由于裂解炉是一种高精尖工业设备，对地震敏感，文中模拟了几种结构形式对模态的影响。

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6、

The paper describes that new type inject steam technology can reduce coke precursor, resulting in operation rate of cracking furnace over 96.8%.

采用新型注汽技术改造，降低结焦先兆物，使裂解炉开工率提高到96.8%以上。

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7、

Experiment of Cyclic Catalysis Cracking Gas Making with Diesel Oil

柴油蓄热催化裂解制气技术的试验

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8、

Microcomputer processing of gas chromatographic analysis of petroleum cracking gas

石油裂解气气相色谱分析的微机处理

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9、

Reason analysis of driving turbine vibration for cracking gas compressor

裂解气压缩机驱动透平振动原因分析

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10、

The cracking gas of reservoir oil is an important source of natural gas.

油藏原油的裂解气是形成天然气气藏的重要气源。

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11、

Monitoring and analysis of abnormal vibration of cracking gas compressor unit

裂解气压缩机组的振动监测与振动异常分析

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12、

Causes and Countermeasures against high co_2 content in cracking gas

裂解气中CO2含量高的原因与对策

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13、

Study on the Hydrate Method to Separate the Ethylene Cracking Gas

乙烯裂解气的水合物法分离实验研究

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14、

An Investigation on Interface Reaction Regularity for Caustic Stress Corrosion Cracking of Fe-Cr-Ni Alloy

Fe-Cr-Ni合金碱性应力腐蚀破裂界面反应规律的研究

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15、

Influence of Some Processing Factors on Susceptibility to Caustic Stress Corrosion Cracking of Modified Alloy 800

某些加工因素对改性800合金碱性应力腐蚀破裂敏感性的影响

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16、

Study on regeneration for spent caustic of ethylene cracking by chemical precipitation

化学沉淀法再生乙烯裂解废碱液的研究

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17、

Effect of cold work on the caustic stress corrosion cracking of alloy 800

冷加工对800合金抗碱性应力腐蚀破裂的影响

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18、

The results showed that the corrosion weight loss rate of high Mn steel was distinctly greater than that of medium carbon chromium steel. The high Mn steel caustic embrittlement cracking was distinct in corrosion.

结果表明，高锰钢的平均腐蚀速率显著高于中碳铬合金钢，腐蚀过程中高锰钢有较严重的碱脆开裂现象。

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19、

With an increase of the chromium content in the cast steel, active dissolving corrosion increased, however, tendency of caustic embrittlement cracking decreased.

随着钢中含铬量的增加，试验材料的活性溶解腐蚀失重增大，但碱脆开裂的倾向减少。

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20、

With increasing corrosion time the impact toughness of high Mn steel obviously decreased. The major mechanism was effect of the caustic embrittlement cracking.

随着热强碱腐蚀时间的延长，高锰钢的冲击韧度明显降低，碱脆开裂是造成高锰钢冲击韧度下降的主要原因。

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