This research explores about the construction process and provision of Japanese Wooden Houses. Even though Prefabricated Houses appeared during the 1960's and the Platform Construction System during the 1970's, there was still a high demand for Conventional Wooden House, with a high demand by househ...
This research explores about the construction process and provision of Japanese Wooden Houses. Even though Prefabricated Houses appeared during the 1960's and the Platform Construction System during the 1970's, there was still a high demand for Conventional Wooden House, with a high demand by households on their 30's. These features were found in the areas of Hokkaido, Kyushu, Tokyo, and Osaka. Tokyo and capital region accommodate large number of the head offices of companies that produce Platform Construction System houses, and thus supply the largest amount of Platform Construction System houses. In capital region, land prices are so high, that they build houses as 3-Floors or above, and also driven by high cost of house construction, house performances are excellent. The houses of Osaka and Kinki region demonstrate similar characteristics to those of capital region. Osaka is headquartered by a group of head offices of companies that produce prefabricated houses, and thus holds more amount of prefabricated house supply than other regions. This city also shows high cost of house construction no less than capital region, and thus offers outstanding performance of house. In Kyushu, whereas Japanese wooden house building systems are supplied the most, Platform Construction System houses are provided the least in the nation. As this region offers rich amount of forest resources owing to mild humid climate which is ideal for vegetations, the Japanese wooden building systems use the timbers from this region. Hokkaido, a cold region, requires houses that offer outstanding performance of heat insulation. Therefore, Hokkaido shows more supplies of Platform Construction System houses that offers outstanding heat insulation performance. They import the timbers that form the structure framework of Platform Construction System houses from North America.
This research explores about the construction process and provision of Japanese Wooden Houses. Even though Prefabricated Houses appeared during the 1960's and the Platform Construction System during the 1970's, there was still a high demand for Conventional Wooden House, with a high demand by households on their 30's. These features were found in the areas of Hokkaido, Kyushu, Tokyo, and Osaka. Tokyo and capital region accommodate large number of the head offices of companies that produce Platform Construction System houses, and thus supply the largest amount of Platform Construction System houses. In capital region, land prices are so high, that they build houses as 3-Floors or above, and also driven by high cost of house construction, house performances are excellent. The houses of Osaka and Kinki region demonstrate similar characteristics to those of capital region. Osaka is headquartered by a group of head offices of companies that produce prefabricated houses, and thus holds more amount of prefabricated house supply than other regions. This city also shows high cost of house construction no less than capital region, and thus offers outstanding performance of house. In Kyushu, whereas Japanese wooden house building systems are supplied the most, Platform Construction System houses are provided the least in the nation. As this region offers rich amount of forest resources owing to mild humid climate which is ideal for vegetations, the Japanese wooden building systems use the timbers from this region. Hokkaido, a cold region, requires houses that offer outstanding performance of heat insulation. Therefore, Hokkaido shows more supplies of Platform Construction System houses that offers outstanding heat insulation performance. They import the timbers that form the structure framework of Platform Construction System houses from North America.
또한 목조주택 시장 형성을 위한 자료나 연구는 아주 미비한 상황이다. 이에 대조적으로, 이웃나라인 일본은 전체 주택 시장(단독주택+공동주택)에 목조주택이 44%, 비목조주택이 56% 를 차지하고 있으며, 목조 주택에서도 일본식 재래목조가 약 70%, 프리패브․공업화주택(2×4구법도 포함)이 약30%를 차지하고 있다. 현재 일본의 목조주택은 공업화와 합리화로 획일화된 주택이라고 불리지만, 각 지역의 기후와 주거생활 습관 등 여러 조건에 의해 동일한 구법이라 하더라도 지역에 따라 지역실정에 맞게 구법이 개발되었을 것으로 생각한다.
2×4구법이란 무엇인가?
・2×4구법 :2 인치×4인치의 규격 목재를 주요 구조재로, 바닥과 내력벽으로 건물전체를 일체화하고, 구조용 합판 등에 못을 사용하여 조립하는 벽 구조방식이다.
북해도 목조 주택에서만 존재하는 지붕 형태는 무엇인가?
외벽은 大 壁(외벽내 통기조치)이 많고, 지붕은 우진각지붕과 맞배(합각)지붕형태가 많으며, 우진각은 공업화주택에서 맞배(삼각)지붕은 2×4주택에서 많이 나타나고 있다. 또한 북해도에서만 M형無落雪(무락설)지붕이 존재하고 있다. 단열재와 에너지 절약에 관해서는, 북해도가 압도적으로 많고, 큐슈는 아주 적다.
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