Kichang Choi

Kichang Choi

Smart Infrastructure Lab

Publications

🇰🇷 한국어
RAMASC: A retrieval-augmented multi-agent framework for automated structural calculation
NEW · 2026

RAMASC: A Retrieval-Augmented Multi-Agent Framework for Automated Structural Calculation

Choi, K., Jeong, M., Kim, T., Kim, S., Baek, S., & Kim, H. (2026)

Advanced Engineering Informatics

đź“„ Paper

Construct-RAG Framework

Retrieval Optimization for Construction Documents in Low-Resource Languages Using Contrastive Sentence Generation and Matryoshka Representation Learning

Choi, K., Jeong, M., Shin, Y., Ma, J., Kim, K., & Kim, H. (2025)

Automation in Construction

đź“„ Paper

Framework Overview

Framework Overview

Matryoshka Retrieval

Matryoshka Retrieval

Preprints & Working Papers

MANTA
SSRN · Under Review

MANTA: Multivariate Attention Network for Short-Term Water-Level Forecasting

Choi, K., Shin, Y., Kim, Y., Osman, K., & Kim, H. (2026)

A real-time, location-independent forecasting framework for flood early-warning, evaluated on nationwide water-level data under extreme fluctuation conditions.

📄 SSRN 🌊 Live System

Journal Articles

  1. Idrees, S., Nugraha, J.A., Tahir, S., Choi, K., Choi, J., Ryu, D.H., Kim, J.H. (2024). “Automatic concrete slump prediction of concrete batching plant by deep learning”, DEVELOPMENTS IN THE BUILT ENVIRONMENT.

  2. Basha, S.I., Nugraha, J.A., Rehman, A.U., Choi, K., Park, S., Kim, J.H. (2024). “Structuration and yield strength characterization of hybrid alkali-activated cement composites (HACC) for ultra-rapid 3D construction printing”, CONSTRUCTION AND BUILDING MATERIALS.

  3. Rehman, A.U., Kang, M., Basha, S.I., Choi, K., Kim, J.H. (2024). “Knife Cut Test of Concrete: The Introduction of a New Test Method for Measurement of the Structural Build-Up of 3D Concrete Printing Materials”, RILEM BOOKSERIES.

  4. Rehman, A.U., Basha, S.I., Choi, K., Kang, M., Kim, J.H. (2024). “An Analysis of Penetrometer Test Methods for Structural Build-Up in Stiff and Accelerated 3D Concrete Printing Mixtures”, SPRINGER.

Conference Presentations

  1. Chern, W.C., Choi, K., Asari, V., Kim, H. “The 10th International Conference on Construction Engineering and Project Management”, ICCEPM, Sapporo, Japan (July 2024) - Oral Presentation

  2. Choi, K., Baek, S., Kim, H. “2024 Regular Academic Conference”, Korea Institute of Construction Engineering and Management, Jeju, Korea (November 2024) - Oral Presentation

  3. Choi, K., Baek, S., Ma, J., Kim, H. “Efficient RAG(Retrieval-Augmented Generation) for Construction in Low-Resource Language”, ISARC. Proceedings of the International Symposium on Automation and Robotics in Construction - Oral Presentation