Bond behaviour of bamboo splints in cement-stabilised rammed earth blocks

Tripura, Deb Dulal; Sharma, Richi Prasad

doi:10.1080/19397038.2012.757671

Cited by 21 publications

(15 citation statements)

References 8 publications

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“…Properties of soil confirming to Indian Standard -IS 2720 Part 4 (34), IS 2720 Part 5 (35) and IS 2720 Part 7 (36) is shown in Table 1 and Figure 2, adopted Mechanical behaviour of rammed earth column: A comparison between unreinforced, steel and bamboo reinforced columns • 3 from earlier works by the authors (8,10,23). Many researchers (3,4,11,13,24,37) and standards (30, 38) also suggested varying soil types for rammed earth constructions.…”

Section: Materials Properties and Equipmentmentioning

confidence: 64%

“…Many researchers (3,4,11,13,24,37) and standards (30, 38) also suggested varying soil types for rammed earth constructions. Likewise, mechanical properties such as compressive and bond strength of rammed earth specimens are adopted from the works by the authors and other researchers (22,23). Furthermore, Tripura and Sharma (23) reported the tensile strength of bamboo (bambusa balcooalocally known as Uabang) to be 315 MPa.…”

Section: Materials Properties and Equipmentmentioning

confidence: 99%

“…Attempts have also been made to study the pullout behaviour of deformed and plain rebars and bamboo in unstabilised and cement stabilized rammed earth (CSRE) (22,23).…”

Section: Introductionmentioning

confidence: 99%

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Mechanical behaviour of rammed earth column: A comparison between unreinforced, steel and bamboo reinforced columns

Tripura

Singh

2018

Mater. construcc.

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This paper presents an experimental study on the behavior of cement stabilized rammed earth (CSRE) column reinforced with steel under axial loading and its comparison with unreinforced and bamboo reinforced columns. Effects of structural parameters such as tie / stirrup spacing on the failure pattern, lateral and axial deformation of columns are studied. Test results show that the load-capacity of columns increases with increase in lateral / tie reinforcement ratio. Maximum axial and lateral deformations occur in columns with least tie spacing. Behavior of CSRE columns reinforced with close tie spacing is characterized by gradual spalling of cover at the failure zone. Steel reinforced columns perform better than other column types in terms of load-capacity; hence it may be used as structural member adjacent to walls for low-rise rammed earth houses. Proposed reinforcement technique can be adopted in the field for enhancement of greater strength and performance of columns.

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Section: Materials Properties and Equipmentmentioning

confidence: 64%

Section: Materials Properties and Equipmentmentioning

confidence: 99%

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Mechanical behaviour of rammed earth column: A comparison between unreinforced, steel and bamboo reinforced columns

Tripura

Singh

2018

Mater. construcc.

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“…Cement, lime and asphalt emulsions are commonly used stabilizers to improve the performance of the rammed earth structures (Kariyawasam and Jayasinghe, 2016; Raavi and Tripura, 2020;Reddy and Kumar, 2011;Tripura and Sharma, 2014). Strength and durability of rammed earth construction can be improved to a great extent by using ordinary Portland cement (OPC) as stabilizer varying from 4% to 12%.…”

Section: Introductionmentioning

confidence: 99%

Predicting the effect of weathering and corrosion on the bond properties of bamboo- and steel-reinforced cement-stabilized rammed earth blocks

Raavi

Tripura

2021

Advances in Structural Engineering

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In this article, the effect of weathering and corrosion on the bond properties of bamboo- and steel-reinforced cement-stabilized rammed earth blocks was investigated. The treated, untreated bamboo and steel reinforcement types were considered under regular and weathered categories. Reinforcement of 8 mm, 10 mm and 12 mm diameters were used along with 10% of cement as stabilizer. A total of 90 reinforced cement-stabilized rammed earth blocks were prepared and tested for bond strength. The investigation shows that the bond force and bond strength of all the blocks reduced due to weathering and corrosion of reinforcement. In case of blocks with bamboo reinforcement only, a minor reduction in bond properties (bond force and bond strength) was identified, but in case of blocks with steel reinforcement, a major reduction in bond properties was identified. All the blocks failed by either lateral splitting, pullout or pullout along with lateral splitting. However, the pullout failure was observed only in the blocks with weathered or corroded reinforcement, making it clear that the mode of failure was influenced by the type and physical condition of the reinforcement. Based on the results obtained, it was not advisable to use of corroded steel (CS) bars as reinforcement in rammed earth. However, considering the bond properties, treated bamboo can be a potential and economical alternative to CS. A series of statistical analysis was performed using the test data to predict the bond properties correlating perimeter, diameter, type and condition of reinforcement. The regression equations generated from statistical analysis represent a strong correlation between the actual and predicted values and can be used for predicting the bond properties of rammed earth accurately.

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“…Posttensioned reinforcement in lieu of conventional bonded mild steel in rammed earth walls was investigated by Hamilton III et al [25]. Bamboo splints, as reinforcement, were tested in rammed earth, and the bond resistance through pullout tests was discussed by Tripura and Sharma [26].…”

Section: Introductionmentioning

confidence: 99%

Cyclic Behavior of Confined Cement‐Stabilized Rammed Earth Walls

Yang

Wang²,

Zhao

2018

Shock and Vibration

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Rammed earth is widely utilized in both developed and developing countries due to its low embodied energy and good natural moisture buffering of indoor environments. However, its application in seismic active regions was limited owing to its intrinsically low resistance to dynamic actions. is paper presents the test results of four cement-stabilized rammed earth walls with confining tie-column elements under cyclic loading, aiming at assessing the cyclic behavior of proposed rammed earth walls with confining tie-column elements. e test results revealed that the proposed confining tie-column elements could significantly improve the cyclic behavior of cement-stabilized rammed earth wall, exhibiting good strength and ductility.

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Bond behaviour of bamboo splints in cement-stabilised rammed earth blocks

Cited by 21 publications

References 8 publications

Mechanical behaviour of rammed earth column: A comparison between unreinforced, steel and bamboo reinforced columns

Mechanical behaviour of rammed earth column: A comparison between unreinforced, steel and bamboo reinforced columns

Predicting the effect of weathering and corrosion on the bond properties of bamboo- and steel-reinforced cement-stabilized rammed earth blocks

Cyclic Behavior of Confined Cement‐Stabilized Rammed Earth Walls

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