Stair Design: Safety Features and Regulations Explained

Stairs are designed with safety features to prevent injuries, especially for vulnerable populations like the elderly.

### The Purpose of Protruding Stair Noses
Protruding parts on stairs, known as **stair noses**, are intentionally designed for **pedestrian safety**. These protrusions can cause **shin injuries** when rushing, but they are regulated by law to ensure **minimum width and height** for treads. The stair nose's slight protrusion is meant to provide a **psychological safety function** in case of a fall.

### The Impact of Center of Gravity on Stair Climbing
Shifting the center of gravity causes people to instinctively **lean forward**, creating a sense of **unease**. Climbing stairs is challenging due to the **weight shift from left to right** and the back foot's role. Elderly individuals often step on their heels more than the general population, which can lead to difficulties in **maintaining balance and stability** while ascending stairs.

### Designing Stairs for Safe Movement
Stairs are designed for walking, with special cases like **jumping** considered in their design. Rest areas are recommended every **1.8 meters** from the floor level for the safety of vulnerable populations. The design aims to **accommodate the majority of users** and establish facility standards for **safe movement**.

### Investigating Free Spam Message Opt-Out Phone Number
We are investigating with Pedro about the effects of calling the **free spam message opt-out phone number**. The investigation results will be posted soon for those who **subscribe and set up notifications**.

### Understanding Stair Safety: The Role of Stair Noses and Design Regulations
* 🛠 Many people have experienced injuries from tripping on stairs, often caused by the protruding part known as the **stair nose**, which is designed for **pedestrian safety**.
* 📏 Stairs are composed of treads and risers, with the stair nose being the area where the tread meets the riser, which can lead to **shin injuries when rushing**.
* 📜 Regulations exist to ensure safety, stipulating that the **width of step plates for disabled individuals, the elderly, and pregnant women must be at least 28 cm**, and the tread height must not exceed **18 cm**.
* ⚖ The law also mandates that the stair nose should not protrude more than **3 cm**, as this serves a **psychological safety function** to prevent falls.
* 🏃 Climbing stairs involves **shifting the center of gravity**, which can be challenging, especially for the elderly or disabled, who may have **different stepping patterns** compared to the general population.
* 📹 Studies using infrared cameras have shown that elderly individuals often **step on their heels more**, which can lead to **instability** if the stair design does not accommodate their needs.
* 🛑 Stairs are intended for walking, not running, and safety designs include recommendations for **rest areas every 1.8 meters** to support **vulnerable populations**.
* 🔍 Currently, an investigation is underway regarding the implications of calling a **free spam message opt-out number**, with results expected to be shared soon for those interested.

계단은 왜 이렇게 튀어나와 있을까?

의뢰하세요, 취재합니다. 취재대행소 왱

광고/제휴 문의 wngproject2017@gmail.com