Question 2 Soalan 2 a) Concrete is one of the most widely used construction mate

Question

Question 2 Soalan 2 a) Concrete is one of the most widely used construction materials in the world. Identify the function of cement in concrete. Konkrit adalah salah satu daripada bahan Kenalpasti fungsi simen di dalam konkrit) binaan yang paling banyak digunakan di dunia 4 Marksl Markah) b) Concrete is a fantastic material that is used worldwide to create some of the most houses, skyscrapers, dams and bridges, the impressive, strong and long lasting structures. Suitable for a whole range of constructions, including pavements, strength of concrete very rarely fails to hold uip. Justify why is concrete so strong? Konkrit adalah bahan hebat yang digunakan di seluruh dunia untuk menghasilkan struktur yang menarik kuat dan kekal. Sesual untuk pelbagai jenis pembinaan, termasuk laluan pejalan kaki, rumah- pencakar langit, empangan dan jambatan, kekuatan konkrit sentiasa kekal. Justifikasi mengapa konkrit begitu kuat?.1 6 Marks/ Markah) c) Concrete curing begins immediately after placement and finishing works of concrete Pengawetan konkrit bermula serta-meria selepas penyiapan dan kemasan kerja-kerja konkrit (i) Explain the reason behind curing of concrete. Terangkan sebab di sebalik pengawetan konkrit) (5 Marks/ Markah) (ii) Recommend methods of curing for a large area of concrete slab. Syorkan kaedah pengawetan untuk kanwasan lantai konkrit yang besar J (5 Marks/ Markah)

Explanation / Answer

Answer(a)-

Functions of cement

Answer(b)-

concrete is produced when a paste of portland cement and water is mixed with both small and large aggregates. When the paste and aggregates meet, the paste coats the surface of the aggregate and a chemical reaction called hydration takes places, causing the paste to harden and the entire mixture to gain strength.

Answer(c)-

(i)- (a)To prevent the loss of moisture,

(b)To maintain the temperature.

(ii)-

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.