Study - Maraming high-rise sa PH, 'di pasado sa itinakda ng building code na tagal ng pag-uga

8 months ago

Sa gitna ng pinangangambahang "The Big One" lumabas sa isang pag-aaral na hindi pasado ang maraming high-rise na gusali sa Metro Manila at Cebu sa isang standard na itinakda ng national building code. Kaugnay 'yan ng tagal ng dapat pag-uga ng isang gusali kung may lindol.

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Transcript

00:00 In the midst of the biggest storm, the big one, a study came out that not many high-rise buildings in Metro Manila and Cebu have passed

00:11 a standard set by the National Building Code, which is the duration of a building's construction if there is a collapse.

00:21 Danutin Cunco was able to prove it.

00:27 With this 7.2 magnitude earthquake, it seems like the earthquake in Taiwan was predicted for a long time

00:33 in the big one earthquake that could happen in Luzon.

00:37 It is not far from the possible magnitude of the earthquake in Taiwan.

00:42 How about the tall buildings that were hit by the earthquake there?

00:46 Those in the Philippines, especially the high-rise buildings,

00:49 the Tokyo Institute of Technology and the study of PHIVOX, surveyed 100 houses in Metro Manila and Cebu.

00:58 It came out that the houses that were surveyed moved longer if there is a collapse compared to the houses in Japan.

01:05 Many of the houses moved longer if there is a collapse compared to the National Building Code for high-rise buildings

01:12 that said that there should be only 0.1 second for each collapse.

01:15 They included in the National Structural Code of the Philippines the presence of active faults in the country.

01:19 The nearer you are to an active fault, of course, the expected shaking.

01:24 The study went far, the building owners and developers were able to help the buildings that were already built

01:30 and to ensure that the buildings that will be built will meet the safe standard.

01:34 There are engineering interventions.

01:35 This is the response when there is a far-field earthquake.

01:39 Short period, long period when there is a far-field earthquake.

01:45 The high-rise buildings are the ones that are swaying.

01:51 But if it's long period, short period rather, this is the bigger shaking.

01:58 Long period, there.

02:00 But when it's short period, there.

02:03 So this is the short period when you are near the source of the earthquake or when the active fault is near.

02:11 So that's the reason why the shorter buildings here in Metro Manila,

02:14 because the West Valley fault is near, they will collapse.

02:18 Less than 13 percent here in the high-rise buildings, only around 2 percent.

02:23 But what's really dangerous is the contents of the houses.

02:28 In Japan, I saw that some of the cabinets, big cabinets inside the room,

02:33 they have support from the ceiling until the top of the cabinet.

02:39 So that will ensure that the cabinet will not fall down if there are big motions or long period motions

02:47 when you are at the top of the building.

02:49 If you are in the higher floor, fix anything that moves, like desktop, TVs.

02:56 Shelves and other moving materials.

03:04 For GMA Integrated News, I'm Donna Tinguang, reporting for 24 Hours.

03:09 (music)

Study - Maraming high-rise sa PH, 'di pasado sa itinakda ng building code na tagal ng pag-uga | 24 Oras

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