A Shaking Table Tests Were Carried Out On A Conventional Soil Retaining Wall Model And A Reinforced Soil Retaining Wall Model In

Mar 20, 2020 In this paper, five 1-g model shaking table tests with a similitude ratio of 20 were carried out to investigate the seismic behavior of RSRW subjected to combined rainfall-earthquake effects. The thickness of the foundation was 50 mm, and the height of the wall was 250 mm, which corresponded to 5 m in the prototype

Sep 24, 2021 The results showed that all five retaining walls performed satisfactorily even under a very high seismic load. Madhavi Latha and Manju carried out model tests on geocell retaining walls to investigate the influences of geocell material, number of geocells in each layer, slope of facing, and infill material of geocells. Results from these tests showed that the

stability against a large seismic load, two shaking table model tests on reinforced soil retaining walls by using square-shaped geocell models and geogrid models backfilled in sandy soil were carried out. And a gravity-type retaining wall model was also tested for comparison. It is found that square-shaped geocell reinforced soil retaining wall model exhibited higher

performed a series of shaking table tests on relatively small-scale models of geosynthetic reinforced soil retaining walls (GRS-RW) with full height rigid facing and conventional type (gravity, leaning and cantilever types) retaining walls. Ling et al. (2005) presented experimental study of the earthquake

The seismic behavior of reinforced soil retaining walls with polymeric strips is examined. A series of 1-g shaking table tests were employed on

Shaking table tests were performed on six geosynthetic-reinforced soil retaining wall (GRS-RWs)models.Thegeogridreinforcement length, wall height, wall facing

Jun 01, 2021 El-Emam and Bathurst (2007) carried out shaking table tests on reduced-scale reinforced soil wall models and investigated the influence of facing toe condition on reinforcement load and wall displacement. They found that the wall toe in the case of hard-faced walls attracted approximately 40%–60% of the total horizontal earth load, and concluded that a

Feb 24, 2021 Moreover, a series of shaking table tests on 0.9-m-high reinforced soil wall models with different steel strip lengths were performed by Yazdandoust . Zhou et al. presented shaking table tests on three Aeolian sand high embankment models. Moreover, shaking is an effective technique to study the seismic response of underground structures embedded in soft

Model tests using a large shake-table were carried out to investigate the behavior of EPS fill during earthquakes and to simplify the retaining walls placed on both sides of the fill. Random-wave loads were applied to a 1/5 -scale model of EPS fill intended for road widening, while varying the type of retaining wall

Sakaguchi (1996) carried out shaking table tests on a density play major role in the performance in terms of crest reinforced model wall of 1.5 m height. The facing of the settlement, lateral movement of the wall face, reinforce- wall was constructed with lightweight blocks and five layers ment strain and surcharge pressure at failure

2. MODEL TEST PROCEDURES 2.1 Shaking Table and Model Retaining Walls The model tests were conducted by using a shaking table at the Railway Technical Research Institute, Japan. The size of soil container was 260 cm long, 60 cm wide and 140 cm high. Two different types of retaining wall models were used in this study as

A series of shaking table tests with irregular wave were carried out to investigate the seismic stability of reinforced-soil retaining and conventional type retaining walls. In these tests, reinforced-soil retaining wall models showed a ductile behavior compared to conventional type retaining wall model

shaking table studies were conducted by various researchers [Wolfe, et al., 1978; Rea and Wolfe, 1980; Sommers and Wolfe, 1984]. Fairless [1989] tested six one-meter tall reinforced earth wall models under normal gravity on a shaking table. He concluded that seismic shaking and permanent displacement of reinforced walls

In order to understand the effect of extent of a liquefiable layer in backfill area a series of shaking table tests were carried out on model anchored flexible quay walls. Testing procedure, instrumentation, recorded results as well as some important observations are described in

Sep 02, 2016 In this paper, to check whether geocell-RS RW backfilled with poorly graded gravels has a substantially high seismic stability, two shaking table model tests on geocell-RS RW and geogrid-RS RW backfilled in poorly graded gravels were carried out. A conventional-type RW (i.e., T-shape RW) was also tested for comparison

But table testing were indirectly ‘‘converted’’ to real scale. despite such discrepancies the performance of the numerical [3] The lateral displacement of the reinforced soil wall consists of model is quite satisfactory—especially in view of the fact that the two components: a cyclic (oscillatory) component, and a various motions were

earthquake performance of modular-block reinforced soil retaining walls which were backfilled with sand using large-scale benchmark shaking table tests. El-Emam and Bathurst (2007) carried out reduced-scale model shaking table tests with rigid facing panels to investigate the reinforcement design parameters

Aug 11, 2016 These geocells were used as facing of retaining wall models for laboratory shaking table tests. These geocells were honey-comb shaped and the pocket-size of the geocells was maintained as 100 mm. To understand the performance of the geocell walls to seismic shaking conditions, shaking table tests were carried out on retaining wall models

Apr 01, 2019 Abstract The goal of this study is to determine an appropriate geometric scaling coefficient for small-capacity shaking table tests representing the full-scale field conditions rigorously for the soil-structure interaction (SSI) problem. SSI effects on the dynamic response of the mid-rise reinforced concrete structures placing on silty sand soil under different

The model tests were conducted using a shaking table at Railway Technical Research Institute in Japan. The sizeof thesoil container was 260 cm long,60 cm wideand 140 cm high. The cross sections of the GRS wall models with three diŠerent reinforcement arrangements used in the series of shaking table model tests are shown in Fig. 1. Two types of

supporting bridge decks. Aoki et al. [7] carried out shaking table tests with 1 g acceleration on conventional and GRS bridge abutment models using cement treated backfill. Krishna and Latha [8] investigated the seismic response of geotextile wrap-faced reinforced soil wall by conducting shaking table tests on model walls. They concluded that

The geogrid reinforced soil retaining wall is a flexible retaining wall. It will produce large deformations during earthquakes, especially on liquefied backfill soils. An index of liquefaction extent is applied to express the effect of excess pore water pressure in reinforced backfill sand during earthquakes. A geogrid reinforced soil retaining wall is represented by an isotropic

square-shaped geocell reinforced soil retaining wall has a substantially high seismic stability against a large seismic load, two shaking table model tests on reinforced soil retaining walls by using square-shaped geocell models and geogrid models backfilled in sandy soil were carried out. And a gravity-type retaining wall model was also tested for

observed results of model reinforced soil walls. Richardson et al. (1977) pioneered small scale and full-scale shaking table tests on reinforced soil walls of metallic reinforcement. Sakaguchi (1996) carried out shaking table tests on a model of 1.5 high reinforced wall. The facing of the wall was constructed with

A series of shaking table tests with irregular wave were carried out to investigate the seismic stability of reinforced-soil retaining and conventional type retaining walls. In these tests, reinforced-soil retaining wall models showed a ductile behavior compared to conventional type retaining wall model

Shaking table studies were carried out in order to study the dynamic behaviour of gravity retaining walls resting on rigid foundation soil. Two different system have been taken into consideration namely, a wall retaining a horizontal backfill on which

A series of reduced-scale shaking table tests and numerical simulation studies were carried out at the Royal Military College (RMC) of Canada to investigate the response of reinforced soil retaining walls to base acceleration. The wall models were 1 m high by 1.4 m wide by 2.4 m long and were constructed with a uniform sand backfill

Jul 14, 2017 A series of shaking table tests were designed and conducted to study the seismic performance of an inverted T-shape cantilever retaining wall with an anti-sliding tooth at the base using EPS composite soil as backfills. For comparison, the same wall model retaining Nanjing fine sand was simultaneously excited. The macro phenomena and seismic behaviors of two

Aug 01, 2008 Total 24 shaking table tests are carried out on reinforced retaining wall models. The parameters varied in different model tests are given in Table 4. Each model wall is subjected to 20 cycles of corresponding sinusoidal shaking. The results from these tests are discussed in further subsections. 6.1. Results from tests with smaller dynamic

Aug 01, 2021 Shaking table tests were carried out on physical models with 0.8m-high polymeric-strip reinforced-soil walls (PSWs) on rock slope subjected to variable-amplitude harmonic excitations. The influence of the presence of backfill between reinforced mass and rock slope, strips length, base acceleration, and loading duration are investigated

Aug 19, 2020 In this study, two shaking table tests were carried out on full-height panel and modular block reinforced soil retaining wall models in order to examine the influence of facing type on the connection loads in the two models

Aug 01, 2016 Dynamic finite element analyses, based on a kinematic hardening elastoplastic model, were carried out to simulate a shaking table test on a reinforced-soil segmental retaining wall subjected to two earthquake vibrations. The numerical method was firstly verified by the shaking table test

Jan 03, 2021 This paper investigated the relative seismic response of reinforced soil retaining wall overlying a soft clayey soil layer—applicable to road or railway embankment. A series of 1D shaking table tests, 0.1 to 0.5 g, were conducted on the 1 m high physical model. The scaled physical model was subjected to harmonic sinusoidal input motions at frequencies of 1 Hz, 3