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Strength and permeation properties of alccofine activated low calcium fly ash geopolymer concrete
Bharat Bhushan Jindal,Dhirendra Singhal,Sanjay Sharma,Aniket Yadav,Shubham Shekhar,Abhishek Anand 사단법인 한국계산역학회 2017 Computers and Concrete, An International Journal Vol.20 No.6
This paper presents the experimental investigations on the compressive strength and permeation properties of geopolymer concrete prepared with low calcium fly ash as the primary binder activated with different percentage of Alccofine. The durability aspect was investigated by performing permeable voids and water absorption tests since permeability directly influences the durability properties. The test results show that Alccofine significantly improves the compressive strength and reduces the water permeability thus enhances the durability of geopolymer concrete at ambient curing regime which encourages the use of geopolymer concrete at ambient curing condition thus promising its use in general construction also.
Spontaneous Rectal Perforation with Transanal Evisceration of the Small Bowel: A Rare Case Report
Pal Ajay Kumar,Kumar Prasoon,Yadav Dhirendra,Kumar Awanish,Pahwa Harvinder Singh,Singh Krishna Kant 대한외상중환자외과학회 2022 Journal of Acute Care Surgery Vol.12 No.2
Transanal evisceration of the small bowel is a rare surgical emergency. Rectal perforation in such cases is usually due to an underlying rectal prolapse. We report a case of a middle aged (45 years) male with spontaneous rectal perforation and transanal evisceration of the small bowel. Approximately 150 cm of small bowel had eviscerated transanally and the patient required emergent abdominal exploration, reposition of the small bowel, and repair of the rectal perforation. Small bowel evisceration through the anal verge is an emergent condition and the aim was to prevent life threatening complications related to sepsis.