Topic
Lateral earth pressure
About: Lateral earth pressure is a research topic. Over the lifetime, 5334 publications have been published within this topic receiving 62552 citations.
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TL;DR: In this paper, a procedure to lower the lateral loading acting on the back of a highway abutment wall utilizing geotextiles is described, where a gap is formed between the wall and the reinforced backfill using either corrugated cardboard (which is wetted after construction) or removable plywood forms.
22 citations
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01 Jan 1995TL;DR: In this article, the response of a foundation pile to a lateral load is studied and some analytic solutions for simplified problems are presented, and a numerical model is developed, which includes non-linear material behaviour.
Abstract: Although foundation piles usually have as their main purpose to carry axial loads, they may also be subject to lateral loads. This is especially the case for offshore platforms, which may be loaded by large lateral forces due to wind and water waves. The response of a pile to a lateral load is studied in this chapter. Some analytic solutions for simplified problems will be presented first. In a later section a numerical model will be developed, which includes non-linear material behaviour.
22 citations
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01 Jan 2015
TL;DR: In this paper, the features of different, purpose-built types of compaction probes are described and the most important factors governing the compaction process are presented, such as vibration frequency, an important parameter as it influences probe penetration and can enhance compaction by means of resonance effects.
Abstract: Planning and execution of deep vibratory compaction of natural and human-made fills requires recognition of fundamental soil aspects, such as the compactability of soils. Design is usually based on cone penetration tests and carried out with equipment specially developed for deep vibratory compaction, in particular, using variable frequency vibrators. The features of different, purpose-built types of compaction probes are described and the most important factors governing the compaction process are presented, such as vibration frequency—an important parameter as it influences probe penetration and can enhance compaction by means of resonance effects during the compaction phase. Vibratory compaction generates lateral stresses, which result in a permanent increase of the horizontal earth pressure and overconsolidation. The practical importance of these effects is discussed.
22 citations
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TL;DR: Based on the unified solution of shear strength in terms of double stress state variables for unsaturated soils, whilst considering the effect of the intermediate principal stress rationally, this paper developed a unified solution based on Coulomb's active earth pressure.
Abstract: Based on the unified solution of shear strength in terms of double stress state variables for unsaturated soils, whilst considering the effect of the intermediate principal stress rationally, the unified solution of Coulomb’s active earth pressure for unsaturated soils without cracks is developed. Comparability of the solution is analyzed and influencing characteristic of each factor is obtained. The research result indicates that: the intermediate principal stress and matric suction have obvious impacts on Coulomb’s active earth pressure for unsaturated soils; Coulomb’s active earth pressure has been decreasing until zero with the increase of unified strength theory parameter and matric suction; Coulomb’s active earth pressure increases with the increase of grading angle of retaining wall and slop angle of backfill, but decreases with the increase of matric suction, effective internal friction angle and matric suction angle, while external friction angle has no obvious influence. The proposed unified solution of Coulomb’s active earth pressure enjoys a wider application, and unified solution of Rankine’s active earth pressure is just the special case. The results are of great significance to soil pressure determination such as slope and foundation pit, and to retaining structures design.
22 citations