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Effective communication is essential in precast detailing

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Vijay Shah, Managing Partner, India Precast, talks about the process of making precast concrete shapes, with a focus on the challenges that accompany the production.

Tell us about the process of casting concrete in shapes.
Precast concrete products are made through pouring either wet cast or dry cast concrete into moulds, which are then hardened and removed to be dispatched. These moulds could be from concrete posts, pillars, columns, slabs etc. This benefits the construction process as it can be difficult to manoeuvre or create the right shapes and sizes by pouring the concrete on site.

The process of making precast shapes involve:

  • Build a form. The inside of the form defines the shape that is being created. This form is then filled up with cement and is kept to dry and harden.
  • Clean the mould before adding cement to it. The mould should be lined with materials or chemicals that allow for the hardened concrete structure to retrieve from it.
  • Cement or concrete mix is then created to be poured into the moulds for setting. We use a variety of concrete grades like M25, M30, M35, M40, and M45 for this mix. The mould poured in cement is left alone for 24 hours to harden and removed once set.
  • Once set, a hard mould is either broken or the cast is retrieved from a soft mould by shaking, which is ready to be transported to the location of construction or building activity.

What are the standard sizes and shapes of precast made by your organisation?
Our organisation makes various types of precast elements like:

Solid load bearing floor slabs, load bearing walls, facades, sandwich wall panels and cladding panels
Floor and roof slabs, made from prestressed load bearing hollow concrete slab and ribbed slab. Floors or roofs are also made from half floor slab or semi-finished floor slab with
lattice girder.
Precast stair cases, balcony, toilet pods, lift shafts and water tanks
Prestressed lintel, frames, beams, column and double tee beam
Internal partition walls, made from light-weight hollow core wall panels instead of AAC blocks or bricks
Sandwich walls, beams, columns, I-Beam, tee beam, lintel, footings, boundary walls, retaining walls, fencing poles, U-drainage or trench, box culvert, jersey barriers, covers, paver blocks etc.

Explain the moulds used to make these shapes. Do you customise moulds?
Concrete moulds are moulds that are used to shape the concrete you are working with. The concrete will adopt the shape of the mould as it cures. Concrete moulds are used to give concrete its finishing shape. Moulds are of various types (refer table below). We customise the moulds as per requirements.

S. No. Mould type Uses

  1. Conventional moulds Ribbed slabs, beams, window panels, box type units and special elements
  2. Battery moulds Interior wall panels, shell elements, roof and floor slabs
  3. Tilting moulds Exterior wall panels where special finishes are required on one face or for sandwich panels
  4. Long line prestressing beds Double tees, ribbed slabs, piles and beams
  5. Extrusion machine Roof slabs and hollow core slabs

Concrete

Dhanekula Institute Signs MoU with Adani Cement

Agreement to expand internships, industrial visits and practical learning

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The Department of Civil Engineering at Dhanekula Institute of Engineering & Technology, Ganguru, organised an industrial interaction programme under the Adani FutureX Programme on Thursday. The programme focused on strengthening engagement between the institute and the cement industry while giving students greater exposure to professional practices.

Yedukondalu, technical head for Andhra Pradesh and Telangana at Adani Cement, delivered a technical lecture on concrete as a man-made material. The session covered the importance of concrete in construction, its properties and applications, and its significance in modern infrastructure development.

The lecture also addressed the role of quality cement and suitable concrete technology in supporting durable and sustainable construction. The discussion connected classroom learning with the technical considerations involved in infrastructure projects and construction practices.

A key part of the programme was the signing of a memorandum of understanding (MoU) between the Department of Civil Engineering and Adani Cement under the Adani FutureX Partnership Agreement. The agreement is intended to strengthen industry-academia collaboration through opportunities for student internships and industrial visits.

The initiative is expected to provide students with practical exposure, improve their understanding of industrial practices and help bridge the gap between theoretical knowledge and real-world applications. Dhanekula Institute Chairman Dhanekula Ravindranath Tagore, Secretary Dhanekula Venkata Bhavani Prasad and Director DKRK Ravi Prasad supported the initiative, with the institute leadership highlighting the importance of industry-institution interaction in enhancing students’ technical employability.

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Concrete

JK Lakshmi Cement Begins Rs. 110 bn Assam Plant Project

Project Kamakshi will produce 2.5 mn t of cement annually by FY2029.

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JK Lakshmi Cement has laid the foundation stone for Project Kamakshi, its first integrated cement manufacturing facility in Assam, marking the company’s entry into Northeast India. The groundbreaking ceremony took place at Umrangso village in Dima Hasao district in the presence of Assam Chief Minister Himanta Biswa Sarma.

The project involves an investment of Rs. 110 bn, including the mining lease. It will have annual cement production capacity of 2.5 mn t and a 1 mn t clinkerisation unit, with completion scheduled for FY2029.

The facility is expected to create more than 2,000 jobs and will primarily serve the growing Northeast market. It will also include dedicated railway sidings for transporting raw materials and finished cement, supporting supply chain reliability and regional distribution.

Chairperson and Managing Director Vinita Singhania said the project represented the beginning of a long-term relationship with Assam and the wider Northeast. She said the plant would help provide locally produced cement, employment and dependable supplies as the region’s infrastructure development accelerated, while enabling the company to grow alongside the communities it serves.

The investment supports JK Lakshmi Cement’s strategy of expanding into high-growth markets beyond its established presence in Northern, Western and Eastern India. The company expects the project to contribute to regional economic development and infrastructure growth while pursuing its long-term objective of achieving net-zero emissions by 2047.

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Concrete

Kshatriya Engineering College Signs MoU with Adani Cement

Agreement to provide students with industrial exposure and training

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The civil engineering department of Kshatriya Engineering College in Nizamabad has signed a memorandum of understanding (MoU) with Adani Cement to provide students with industry-oriented training and practical exposure. The agreement is intended to connect classroom learning with workplace requirements in the construction sector.

Under the partnership, students will receive opportunities to take part in industrial visits and internships. The arrangement will also include guest lectures by industry experts and guidance on live projects, allowing students to gain first-hand understanding of industry practices and emerging construction technologies.

College secretary and correspondent Aljapur Devender said the initiative was designed to bridge the gap between academic instruction and industry expectations. He said the collaboration would help students develop practical skills and improve their employment prospects after completing their studies.

Principal Dr Katakam Srinivas said exposure to industrial practices was important for civil engineering students and would complement their academic learning. He said the MoU would support the development of their technical knowledge and confidence through greater familiarity with professional work environments.

Administrative officer B. Narender said the collaboration would familiarise students with modern construction technologies, quality standards and project management practices. Civil engineering department head N. Deepika said the agreement would help students understand recent developments in the construction sector and prepare for professional careers. The college said the partnership would give learners a broader view of the processes and standards followed in the industry, while helping them relate their academic studies to practical project requirements.

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