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Aeolian sand roadbed replacement treatment news
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Aeolian sand roadbed replacement treatment news
Field study on vibration characteristics of geocell-reinforced
2024/8/22 The vibration damping capacity of the reinforced aeolian sand roadbed is better than that of the gravelly soil roadbed; when replacing the gravelly soil roadbed with the
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Toughening characteristics of rubber granule-improved alkali
2024/8/9 In order to make aeolian sand more effectively applied to roadbed materials, sodium hydroxide and water glass were selected as alkali initiators, and slag was used as
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Field study on vibration characteristics of geocell-reinforced
2024/8/22 The vibration damping capacity of the reinforced aeolian sand roadbed is better than that of the gravelly soil roadbed; when replacing the gravelly soil roadbed with the
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Experimental study on cyclic behavior of aeolian sand stabilized
2023/12/16 Aeolian sand (AS) is locally available in desert area that can be used as road construction material. However, AS is a loose granular material with low bearing capacity
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Multiscale study of the road performance of cement and fly ash ...
2023/9/15 Dong et al. [19] prepared concrete with 0%, 25%, 50%, 75%, and 100% aeolian sand replacement of river sand; and investigated the effect of concrete with different aeolian
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Aeolian sand stabilized by using fiber- and silt-reinforced cement ...
2024/1/12 Photographs of the aeolian sand and its sampling location are shown in Fig. 1 (a), (b), and (c). The aeolian sand exhibits fine particle size and uniform distribution and has a
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Mechanical properties of aeolian sand cemented via microbially
2024/9/30 The cementation of desert aeolian sand is a key method to control land desertification and dust storms, so an economical, green and durable process to reach the
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The soft rock can promote the improvement of aeolian sandy
2023/7/21 The soil layer below 30 cm was primitive aeolian sand soil. The soft rock and sand were mixed to form composite soil according to the volume ratio of 0:1, 1:5, 1:2, and 1:1
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Field Characterization of Dynamic Response of Geocell-Reinforced
2023/1/8 In desert regions, aeolian sand is abundant, but it is not suitable to be used directly as the upper roadbed filler for highways. Generally, gravelly soil is mined around the
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(PDF) Study on the application of excess pore water pressure in ...
2021/5/1 T echnologies for Treatment of Aeolian Sand and Gravel Soil Backfill in the Shallow Lake of the desert in Xinjiang" (2018-A-06-Ⅰ-02); (2) The Innovation Group Project of
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Toughening characteristics of rubber granule-improved alkali
2024/8/9 Rubber particles with different particle sizes (10,20,40 mesh) and different volume replacement rates (5 %, 10 %, 15 % and 20 %) were added for improvement. ... This study will guide the development of aeolian sand roadbed materials and provide new ideas for the resource utilization of waste rubber. Previous article in issue; Next article in issue;
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Construction method of aeolian sand roadbed - Google Patents
The invention discloses a construction method of a wind-blown sand roadbed, which relates to the technical field of building construction, and comprises the steps of roadbed filling and edge-covered soil filling on two sides of the roadbed; when the covering soil is filled, 0.5-3 m is widened on the basis of presetting the filling width of the covering soil, the widened covering soil is used ...
获取价格(PDF) In Situ Research on the Spatiotemporal
2022/8/12 Aiming at the cracking phenomenon of an aeolian sand-modified soil roadbed in an actual project near Tongliao city in eastern Inner Mongolia, Northeast China, an in situ test was conducted.
获取价格Enhancing aeolian sand stability using microbially induced calcite ...
2024/10/12 This study investigates the effectiveness of Microbially Induced Calcite Precipitation (MICP) technology in enhancing the stability of aeolian sand. Applying MICP to desert sand samples from Kashi ...
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Field study on vibration characteristics of geocell-reinforced aeolian ...
2024/8/22 The vibration damping capacity of the reinforced aeolian sand roadbed is better than that of the gravelly soil roadbed; when replacing the gravelly soil roadbed with the reinforced aeolian sand roadbed, the substitution ratio is 0.31-0.42. It is verified that half thickness of gravel soil on roadbeds can be replaced by geocell-reinforced ...
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Toughening characteristics of rubber granule-improved alkali
In order to make aeolian sand more effectively applied to roadbed materials, sodium hydroxide and water glass were selected as alkali initiators, and slag was used as cementitious material. Rubber particles with different particle sizes (10,20,40 mesh) and different volume replacement rates (5 %, 10 %, 15 % and 20 %) were added for improvement.
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Aeolian sands: Characterization, options of improvement and
2014/12/30 Aeolian sands are fine to medium, non-plastic and uniformly graded materials present in many sandy sites, mainly in desert areas. In certain places, these materials can be found in huge amounts, which, in combination with the recent growth of construction and building sector at those sites, make them quite suitable for construction purposes.
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Aeolian Sand and Sand Dunes - SpringerLink
However, the past two decades have seen an explosion in the scale of research dealing with aeolian transport processes, sediments, and landforms. Some of this work has been summarized in review papers and edited conference proceedings, but this book provides the rst attempt to review the whole eld of aeolian sand research.
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In Situ Research on the Spatiotemporal Variations in the
Aiming at the cracking phenomenon of an aeolian sand-modi‡ed soil roadbed in an actual project near Tongliao city in eastern Inner Mongolia, Northeast China, an in situ test was conducted ...
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Interface Mechanism and Splitting Characteristics of Fiber
2022/4/13 The research results can provide a scientific basis for the prevention and treatment of cement–fiber, solidified aeolian sand roadbed diseases. 5. Conclusions. Based on the splitting test and micro-electron microscope scanning test of fiber-reinforced cement-solidified aeolian sand samples at different mixing schemes, the corresponding ...
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Analysis of Rainfall Erosion and Protective Measures for the Aeolian ...
2022/5/30 Given geological conditions, topographic features and hydrometeorological conditions differ depending on the region, basic research into water damage in highway roadbed slopes in aeolian sand ...
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Field Characterization of Dynamic Response of Geocell-Reinforced ...
2023/1/8 In vibration velocity, the work area depth of the geocell-reinforced aeolian sand side of the roadbed is less than that of the gravelly soil side. The maximum difference can reach 0.55 m. As far ...
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Improvement of the bearing capacity of confined and
2017/10/4 Aiming at the cracking phenomenon of an aeolian sand-modified soil roadbed in an actual project near Tongliao city in eastern Inner Mongolia, Northeast China, an in situ test was conducted ...
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Analysis of the Damage to the Aeolian sand Concrete
Aeolian sand is higher than that of common river sand. Generally speaking, Aeolian sand is distributed in the surface layers of deserts and sandy land areas (Pye and Tsoar 2009). Common desert sand is a typical Aeolian sand, as shown in Fig. 1. China contains various desert and sandy land areas. The wide distribution of Aeolian
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Analysis of Rainfall Erosion and Protective Measures for the Aeolian ...
2022/5/30 Given geological conditions, topographic features and hydrometeorological conditions differ depending on the region, basic research into water damage in highway roadbed slopes in aeolian sand ...
获取价格Field Characterization of Dynamic Response of Geocell-Reinforced ...
2023/1/8 In vibration velocity, the work area depth of the geocell-reinforced aeolian sand side of the roadbed is less than that of the gravelly soil side. The maximum difference can reach 0.55 m. As far ...
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Improvement of the bearing capacity of confined and
2017/10/4 Aiming at the cracking phenomenon of an aeolian sand-modified soil roadbed in an actual project near Tongliao city in eastern Inner Mongolia, Northeast China, an in situ test was conducted ...
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Analysis of the Damage to the Aeolian sand Concrete
Aeolian sand is higher than that of common river sand. Generally speaking, Aeolian sand is distributed in the surface layers of deserts and sandy land areas (Pye and Tsoar 2009). Common desert sand is a typical Aeolian sand, as shown in Fig. 1. China contains various desert and sandy land areas. The wide distribution of Aeolian
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Construction method of aeolian sand subgrade (2019) Wei Xiaolue
The invention discloses a construction method of aeolian sand subgrade. The construction method comprises the following steps of measuring and paying off, substrate detection, layered filling; compaction, and compaction degree detection. According to the construction method of the aeolian sand subgrade, aeolian sand is directly used as a roadbed filling material, layered
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Field study on vibration characteristics of geocell-reinforced aeolian ...
2024/8/22 Constructing highways in deserts is expensive due to the difficulty of acquiring materials; utilizing aeolian sand effectively has become a problem, especially in the Xinjiang region, where the desert widely occurs. This paper aims to investigate the vibration response of a geocell-reinforced aeolian sand subgrade under traffic loading based on field tests of
获取价格Aeolian sands: Characterization, options of improvement and
2014/10/29 Aiming at the cracking phenomenon of an aeolian sand-modified soil roadbed in an actual project near Tongliao city in eastern Inner Mongolia, Northeast China, an in situ test was conducted ...
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Construction method for processing aeolian sand roadbed base
The invention discloses a construction method for processing an aeolian sand roadbed base through impacting and grinding, which is characterized by comprising the following steps of: (1) preparing construction, i.e. carrying out measurement lofting, list clearing and levelling on an impacting and grinding segment; (2) checking moisture content; (3) impacting and grinding the
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CN109208419B - Method for reinforcing superfine aeolian sand roadbed
Hair brushBelongs to the technical field of highway maintenance, and particularly relates to a method for reinforcing a superfine aeolian sand roadbed by using low-softening-point asphalt emulsion. The invention adopts low-softening-point road asphalt, low-temperature coal asphalt or mixed asphalt of two types of asphalt to be processed into asphalt emulsion, then the asphalt
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CN104047214A - Roadbed construction method adopting aeolian sand
The invention relates to a roadbed construction method for roads, and in particular relates to a roadbed construction method adopting aeolian sand filling. The roadbed construction method comprises the steps of implementing gridding banking on each layer of aeolian sand filling, and sprinkling water; controlling the water sprinkling amount according to a waterlogged state of an
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The soft rock can promote the improvement of aeolian sandy
2023/7/21 The PS3 treatment showed a significant increase compared to other treatments, with a percentage increase of 18.11, 25.2, and 20.64 compared to CK, PS1, and PS2, respectively. ... Aeolian sand has ...
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Interface Mechanism and Splitting Characteristics of Fiber ... - MDPI
2022/4/13 Experimental studies on reinforcing aeolian sand with cement and fiber are lacking, and the interface mechanism and splitting characteristics thus remain unclear. Herein, the interface mechanism and splitting characteristics of fiber-reinforced, cement-solidified, aeolian sand were experimentally assessed to investigate whether glass fiber exhibits better
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Compaction curve of solidified aeolian sand. - ResearchGate
In vibration velocity, the work area depth of the geocell-reinforced aeolian sand side of the roadbed is less than that of the gravelly soil side. The maximum difference can reach 0.55 m.
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CN112746540A - Construction method for reinforcing aeolian sand
The invention discloses a construction method for a geocell reinforced aeolian sand embarkation bed, which comprises the following steps: (1) after the roadbed is rolled and leveled within the range of 10-80cm or 15-80cm, a geocell is laid, and the geocell adopts a plug-in type integral geocell; (2) tensioning the geocell, and tensioning the geocell to the maximum position along a
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